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<!doctype html><html lang=en class=no-js><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta name=generator content="Hugo 0.118.2"><meta name=robots content="index, follow"><link rel="shortcut icon" href=/favicons/favicon.ico><link rel=apple-touch-icon href=/favicons/apple-touch-icon-180x180.png sizes=180x180><link rel=icon type=image/png href=/favicons/favicon-16x16.png sizes=16x16><link rel=icon type=image/png href=/favicons/favicon-32x32.png sizes=32x32><link rel=icon type=image/png href=/favicons/android-36x36.png sizes=36x36><link rel=icon type=image/png href=/favicons/android-48x48.png sizes=48x48><link rel=icon type=image/png href=/favicons/android-72x72.png sizes=72x72><link rel=icon type=image/png href=/favicons/android-96x96.png sizes=96x96><link rel=icon type=image/png href=/favicons/android-144x144.png sizes=144x144><link rel=icon type=image/png href=/favicons/android-192x192.png sizes=192x192><title>Sensitive Data Encapsulation | alguidelines.dev - Business Central Design Patterns</title><meta name=description content="By Bogdana Botez at Microsoft Development Center Copenhagen
Aliases: Encapsulation, Separation of Concerns [1]
Context: You want to store and protect …"><meta property="og:title" content="Sensitive Data Encapsulation"><meta property="og:description" content="By Bogdana Botez at Microsoft Development Center Copenhagen
Aliases: Encapsulation, Separation of Concerns [1]
Context: You want to store and protect sensitive data which already exists in a system, but it is not clear which data needs protection and how to store it.
Problem: Sensitive data is scattered and mixed with other data in various parts of the system (passwords residing in the same table with non-sensitive data, part of the private information might be stored in files, hardcoded text constants, hardcoded info as part of the code etc."><meta property="og:type" content="article"><meta property="og:url" content="https://alguidelines.dev/docs/navpatterns/patterns/security/1-sensitive-data-encapsulation/"><meta property="og:image" content="https://alguidelines.dev/images/og-image-fission.png"><meta property="article:section" content="docs"><meta property="article:modified_time" content="2022-02-24T14:45:35+01:00"><meta itemprop=name content="Sensitive Data Encapsulation"><meta itemprop=description content="By Bogdana Botez at Microsoft Development Center Copenhagen
Aliases: Encapsulation, Separation of Concerns [1]
Context: You want to store and protect sensitive data which already exists in a system, but it is not clear which data needs protection and how to store it.
Problem: Sensitive data is scattered and mixed with other data in various parts of the system (passwords residing in the same table with non-sensitive data, part of the private information might be stored in files, hardcoded text constants, hardcoded info as part of the code etc."><meta itemprop=dateModified content="2022-02-24T14:45:35+01:00"><meta itemprop=wordCount content="978"><meta itemprop=image content="https://alguidelines.dev/images/og-image-fission.png"><meta itemprop=keywords content="C/AL,"><meta name=twitter:card content="summary_large_image"><meta name=twitter:image content="https://alguidelines.dev/images/og-image-fission.png"><meta name=twitter:title content="Sensitive Data Encapsulation"><meta name=twitter:description content="By Bogdana Botez at Microsoft Development Center Copenhagen
Aliases: Encapsulation, Separation of Concerns [1]
Context: You want to store and protect sensitive data which already exists in a system, but it is not clear which data needs protection and how to store it.
Problem: Sensitive data is scattered and mixed with other data in various parts of the system (passwords residing in the same table with non-sensitive data, part of the private information might be stored in files, hardcoded text constants, hardcoded info as part of the code etc."><link rel=preload href=/scss/main.min.84a617ff0c0265eb62b5cd2929c572f4ed37dc4907d0cf068be4eb2974f6d60f.css as=style><link href=/scss/main.min.84a617ff0c0265eb62b5cd2929c572f4ed37dc4907d0cf068be4eb2974f6d60f.css rel=stylesheet integrity><script src=https://code.jquery.com/jquery-3.6.0.min.js integrity=sha384-vtXRMe3mGCbOeY7l30aIg8H9p3GdeSe4IFlP6G8JMa7o7lXvnz3GFKzPxzJdPfGK crossorigin=anonymous></script>
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Compound Only</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsbestpracticesbinary-operator-line-start-li><a href=/docs/bestpractices/binary-operator-line-start/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsbestpracticesbinary-operator-line-start><span>Binary Operator to Start Line</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsbestpracticescase-actions-li><a href=/docs/bestpractices/case-actions/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsbestpracticescase-actions><span>CASE Action on next line</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsbestpracticescomments-spacing-li><a href=/docs/bestpractices/comments-spacing/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsbestpracticescomments-spacing><span>Comment Spacing</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsbestpracticescustomtelemetry-li><a href=/docs/bestpractices/customtelemetry/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsbestpracticescustomtelemetry><span>Custom Telemetry</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsbestpracticesdeleteall-li><a href=/docs/bestpractices/deleteall/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsbestpracticesdeleteall><span>DeleteAll</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsbestpracticesend-else-pair-li><a href=/docs/bestpractices/end-else-pair/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsbestpracticesend-else-pair><span>end else pair</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsbestpracticesif-not-find-then-exit-li><a href=/docs/bestpractices/if-not-find-then-exit/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsbestpracticesif-not-find-then-exit><span>if not then exit</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsbestpracticesistemporary-table-safeguard-li><a href=/docs/bestpractices/istemporary-table-safeguard/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsbestpracticesistemporary-table-safeguard><span>IsTemporary record safeguard</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsbestpracticeskeyboard-shortcuts-li><a href=/docs/bestpractices/keyboard-shortcuts/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsbestpracticeskeyboard-shortcuts><span>Keyboard Shortcuts</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsbestpracticeskeyword-pairs-indentation-li><a href=/docs/bestpractices/keyword-pairs-indentation/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsbestpracticeskeyword-pairs-indentation><span>Keyword Pairs - Indentation</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsbestpracticesline-start-keywords-li><a href=/docs/bestpractices/line-start-keywords/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsbestpracticesline-start-keywords><span>Line Start Keywords</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsbestpracticeslonely-repeat-li><a href=/docs/bestpractices/lonely-repeat/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsbestpracticeslonely-repeat><span>Lonely Repeat</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsbestpracticesnamed-invocations-li><a href=/docs/bestpractices/named-invocations/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsbestpracticesnamed-invocations><span>Named Invocations</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsbestpracticesone-statement-per-line-li><a href=/docs/bestpractices/one-statement-per-line/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsbestpracticesone-statement-per-line><span>One Statement per Line</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsbestpracticesseparate-if-and-else-li><a href=/docs/bestpractices/separate-if-and-else/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsbestpracticesseparate-if-and-else><span>Seperate if and else</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsbestpracticesspacing-binary-operators-li><a href=/docs/bestpractices/spacing-binary-operators/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsbestpracticesspacing-binary-operators><span>Spacing Binary Operators</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsbestpracticessubscribercodeunits-li><a href=/docs/bestpractices/subscribercodeunits/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsbestpracticessubscribercodeunits><span>Subscriber Codeunits</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsbestpracticessuggested-abbreviations-li><a href=/docs/bestpractices/suggested-abbreviations/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsbestpracticessuggested-abbreviations><span>Suggested Abbreviations</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsbestpracticesunnecessary-else-li><a href=/docs/bestpractices/unnecessary-else/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsbestpracticesunnecessary-else><span>Unnecessary else</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsbestpracticesunnecessary-truefalse-li><a href=/docs/bestpractices/unnecessary-truefalse/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsbestpracticesunnecessary-truefalse><span>Unnecessary true/false</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsbestpracticesvariable-naming-li><a href=/docs/bestpractices/variable-naming/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsbestpracticesvariable-naming><span>Variable Naming</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsbestpracticesvariables-declarations-order-li><a href=/docs/bestpractices/variables-declarations-order/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsbestpracticesvariables-declarations-order><span>Variables Declarations Order</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsbestpracticesblank-lines-li><a href=/docs/bestpractices/blank-lines/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsbestpracticesblank-lines><span>When not to use Blank Lines</span></a></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child active-path" id=m-docsnavpatterns-li><a href=/docs/navpatterns/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-docsnavpatterns><span>NAV Patterns Archive</span></a><ul class="ul-2 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child active-path" id=m-docsnavpatternspatterns-li><a href=/docs/navpatterns/patterns/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-docsnavpatternspatterns><span>1. Patterns</span></a><ul class="ul-3 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternsactivity-log-li><a href=/docs/navpatterns/patterns/activity-log/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternsactivity-log><span>Activity Logs</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternsargument-table-li><a href=/docs/navpatterns/patterns/argument-table/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternsargument-table><span>Argument Table</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-docsnavpatternspatternsblocked-entity-li><a href=/docs/navpatterns/patterns/blocked-entity/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-docsnavpatternspatternsblocked-entity><span>Blocked Entity</span></a><ul class="ul-4 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatternspatternsblocked-entitydata-driven-blocked-entity-li><a href=/docs/navpatterns/patterns/blocked-entity/data-driven-blocked-entity/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternsblocked-entitydata-driven-blocked-entity><span>Data Driven Blocked Entity</span></a></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternscached-web-service-calls-li><a href=/docs/navpatterns/patterns/cached-web-service-calls/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternscached-web-service-calls><span>Cached Web Server Calls</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternsconditional-cascading-update-li><a href=/docs/navpatterns/patterns/conditional-cascading-update/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternsconditional-cascading-update><span>Conditional Cascading Update</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternscopy-document-li><a href=/docs/navpatterns/patterns/copy-document/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternscopy-document><span>Copy Document</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternscreate-data-from-templates-li><a href=/docs/navpatterns/patterns/create-data-from-templates/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternscreate-data-from-templates><span>Create Data from Templates</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternscreate-urls-to-nav-clients-li><a href=/docs/navpatterns/patterns/create-urls-to-nav-clients/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternscreate-urls-to-nav-clients><span>Create URLs to NAV Clients</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternscreating-custom-charts-li><a href=/docs/navpatterns/patterns/creating-custom-charts/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternscreating-custom-charts><span>Creating Custom Charts</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternscross-session-events-li><a href=/docs/navpatterns/patterns/cross-session-events/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternscross-session-events><span>Cross Session Events</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternscurrently-active-record-li><a href=/docs/navpatterns/patterns/currently-active-record/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternscurrently-active-record><span>Currently Active Record</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternsdata-migration-facade-li><a href=/docs/navpatterns/patterns/data-migration-facade/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternsdata-migration-facade><span>Data Migration Façade</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternsdiscovery-event-li><a href=/docs/navpatterns/patterns/discovery-event/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternsdiscovery-event><span>Discovery Event</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternsdocument-li><a href=/docs/navpatterns/patterns/document/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternsdocument><span>Document</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternseasy-update-of-setup-or-supplementary-information-li><a href=/docs/navpatterns/patterns/easy-update-of-setup-or-supplementary-information/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternseasy-update-of-setup-or-supplementary-information><span>Easy Update Of Setup Or Supplementary Information</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternserror-message-processing-li><a href=/docs/navpatterns/patterns/error-message-processing/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternserror-message-processing><span>Error Message Processing</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternsextending-the-role-center-headlines-li><a href=/docs/navpatterns/patterns/extending-the-role-center-headlines/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternsextending-the-role-center-headlines><span>Extending the Role Center Headlines</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternsfeature-localization-for-data-structures-li><a href=/docs/navpatterns/patterns/feature-localization-for-data-structures/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternsfeature-localization-for-data-structures><span>Feature Localization For Data Structures</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternshooks-li><a href=/docs/navpatterns/patterns/hooks/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternshooks><span>Hooks</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternsimplementation-of-surrogate-keys-using-autoincrement-pattern-li><a href=/docs/navpatterns/patterns/implementation-of-surrogate-keys-using-autoincrement-pattern/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternsimplementation-of-surrogate-keys-using-autoincrement-pattern><span>Surrogate keys using Autoincrement Pattern</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternsinstructions-in-the-ui-li><a href=/docs/navpatterns/patterns/instructions-in-the-ui/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternsinstructions-in-the-ui><span>Instructions in the UI</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternsintegration-of-addresses-li><a href=/docs/navpatterns/patterns/integration-of-addresses/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternsintegration-of-addresses><span>Integration of Addresses</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternsjournal-error-processing-li><a href=/docs/navpatterns/patterns/journal-error-processing/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternsjournal-error-processing><span>Journal Error Processing</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternsjournal-template-batch-line-li><a href=/docs/navpatterns/patterns/journal-template-batch-line/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternsjournal-template-batch-line><span>Journal Template Batch Line</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternsmaster-data-li><a href=/docs/navpatterns/patterns/master-data/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternsmaster-data><span>Master Data</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternsmulti-file-download-li><a href=/docs/navpatterns/patterns/multi-file-download/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternsmulti-file-download><span>Multi-file Download</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternsmulti-page-list-li><a href=/docs/navpatterns/patterns/multi-page-list/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternsmulti-page-list><span>Multi-Page List</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternsmultilanguage-application-data-li><a href=/docs/navpatterns/patterns/multilanguage-application-data/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternsmultilanguage-application-data><span>Multilanguage Application Data</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-docsnavpatternspatternsnet-exception-handling-in-cal-li><a href=/docs/navpatterns/patterns/net-exception-handling-in-cal/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-docsnavpatternspatternsnet-exception-handling-in-cal><span>NET Exception Handling in CAL</span></a><ul class="ul-4 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatternspatternsnet-exception-handling-in-caltryfunction-net-exception-handling-in-cal-li><a href=/docs/navpatterns/patterns/net-exception-handling-in-cal/tryfunction-net-exception-handling-in-cal/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternsnet-exception-handling-in-caltryfunction-net-exception-handling-in-cal><span>TryFunction NET Exception Handling in CAL</span></a></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternsno-series-li><a href=/docs/navpatterns/patterns/no-series/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternsno-series><span>No Series</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-docsnavpatternspatternsnotifications-li><a href=/docs/navpatterns/patterns/notifications/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-docsnavpatternspatternsnotifications><span>Notifications</span></a><ul class="ul-4 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatternspatternsnotificationsin-context-notifications-li><a href=/docs/navpatterns/patterns/notifications/in-context-notifications/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternsnotificationsin-context-notifications><span>In-context Notifications</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatternspatternsnotificationsnotification-lifecycle-management-pattern-li><a href=/docs/navpatterns/patterns/notifications/notification-lifecycle-management-pattern/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternsnotificationsnotification-lifecycle-management-pattern><span>Notification Lifecycle Management Pattern</span></a></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternsobserver-li><a href=/docs/navpatterns/patterns/observer/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternsobserver><span>Observer</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternsposting-routine-select-behavior-li><a href=/docs/navpatterns/patterns/posting-routine-select-behavior/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternsposting-routine-select-behavior><span>Posting Routine - Select Behavior</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternsproduct-name-li><a href=/docs/navpatterns/patterns/product-name/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternsproduct-name><span>Product Name</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-docsnavpatternspatternsqueries-li><a href=/docs/navpatterns/patterns/queries/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-docsnavpatternspatternsqueries><span>Queries</span></a><ul class="ul-4 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatternspatternsqueriesselect-distinct-with-queries-li><a href=/docs/navpatterns/patterns/queries/select-distinct-with-queries/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternsqueriesselect-distinct-with-queries><span>SELECT DISTINCT with Queries</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatternspatternsqueriesuse-queries-to-detect-duplicate-records-li><a href=/docs/navpatterns/patterns/queries/use-queries-to-detect-duplicate-records/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternsqueriesuse-queries-to-detect-duplicate-records><span>Use Queries to Detect Duplicate Records</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatternspatternsqueriesuse-queries-to-replace-nested-loops-li><a href=/docs/navpatterns/patterns/queries/use-queries-to-replace-nested-loops/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternsqueriesuse-queries-to-replace-nested-loops><span>Use Queries to Replace Nested Loops</span></a></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternsread-once-initialization-and-validation-li><a href=/docs/navpatterns/patterns/read-once-initialization-and-validation/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternsread-once-initialization-and-validation><span>Read-once Initialization and Validation</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternsreleased-entity-li><a href=/docs/navpatterns/patterns/released-entity/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternsreleased-entity><span>Released Entity</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternsreport-selection-li><a href=/docs/navpatterns/patterns/report-selection/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternsreport-selection><span>Report Selection</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child active-path" id=m-docsnavpatternspatternssecurity-li><a href=/docs/navpatterns/patterns/security/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-docsnavpatternspatternssecurity><span>Security</span></a><ul class="ul-4 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternssecurity1-sensitive-data-encapsulation-li><a href=/docs/navpatterns/patterns/security/1-sensitive-data-encapsulation/ class="align-left pl-0 active td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternssecurity1-sensitive-data-encapsulation><span class=td-sidebar-nav-active-item>Sensitive Data Encapsulation</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternssecurity2-data-encryption-li><a href=/docs/navpatterns/patterns/security/2-data-encryption/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternssecurity2-data-encryption><span>Data Encryption</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternssecurity3-single-point-of-access-li><a href=/docs/navpatterns/patterns/security/3-single-point-of-access/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternssecurity3-single-point-of-access><span>Single Point of Access</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternssecurity4-masked-text-li><a href=/docs/navpatterns/patterns/security/4-masked-text/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternssecurity4-masked-text><span>Masked Text</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternssecurity5-ssl-in-nav-li><a href=/docs/navpatterns/patterns/security/5-ssl-in-nav/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternssecurity5-ssl-in-nav><span>SSL in NAV</span></a></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternssetup-specificity-fallback-li><a href=/docs/navpatterns/patterns/setup-specificity-fallback/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternssetup-specificity-fallback><span>Setup Specificity Fallback</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternssilent-file-upload-and-download-li><a href=/docs/navpatterns/patterns/silent-file-upload-and-download/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternssilent-file-upload-and-download><span>Silent File Upload and Download</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-docsnavpatternspatternssingleton-li><a href=/docs/navpatterns/patterns/singleton/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-docsnavpatternspatternssingleton><span>Singleton</span></a><ul class="ul-4 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatternspatternssingletonsingleton-codeunit-li><a href=/docs/navpatterns/patterns/singleton/singleton-codeunit/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternssingletonsingleton-codeunit><span>Singleton Codeunit</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child collapse" id=m-docsnavpatternspatternssingletonsingleton-table-li><a href=/docs/navpatterns/patterns/singleton/singleton-table/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-docsnavpatternspatternssingletonsingleton-table><span>Singleton Table</span></a><ul class="ul-5 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatternspatternssingletonsingleton-tablecue-table-li><a href=/docs/navpatterns/patterns/singleton/singleton-table/cue-table/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternssingletonsingleton-tablecue-table><span>Cue Table</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatternspatternssingletonsingleton-tablesetup-table-li><a href=/docs/navpatterns/patterns/singleton/singleton-table/setup-table/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternssingletonsingleton-tablesetup-table><span>Setup Table</span></a></li></ul></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternsstandard-journal-li><a href=/docs/navpatterns/patterns/standard-journal/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternsstandard-journal><span>Standard Journal</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternstemporary-dataset-report-li><a href=/docs/navpatterns/patterns/temporary-dataset-report/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternstemporary-dataset-report><span>Temporary Dataset Report</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternstotals-and-discounts-on-subpages-sales-and-purchases-li><a href=/docs/navpatterns/patterns/totals-and-discounts-on-subpages-sales-and-purchases/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternstotals-and-discounts-on-subpages-sales-and-purchases><span>Totals and Discounts on Subpages Sales and Purchases</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternstransfer-custom-fields-li><a href=/docs/navpatterns/patterns/transfer-custom-fields/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternstransfer-custom-fields><span>Transfer Custom Fields</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternsvariant-facade-li><a href=/docs/navpatterns/patterns/variant-facade/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternsvariant-facade><span>Variant Facade</span></a></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-docsnavpatterns2-anti-patterns-li><a href=/docs/navpatterns/2-anti-patterns/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-docsnavpatterns2-anti-patterns><span>2. Anti-Patterns</span></a><ul class="ul-3 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns2-anti-patternsnav-upgrade-li><a href=/docs/navpatterns/2-anti-patterns/nav-upgrade/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns2-anti-patternsnav-upgrade><span>Nav Upgrade</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns2-anti-patternsreusable-bugs-li><a href=/docs/navpatterns/2-anti-patterns/reusable-bugs/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns2-anti-patternsreusable-bugs><span>Reusable Bugs</span></a></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-docsnavpatterns3-cal-coding-guidelines-li><a href=/docs/navpatterns/3-cal-coding-guidelines/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-docsnavpatterns3-cal-coding-guidelines><span>3. CAL Coding Guidelines</span></a><ul class="ul-3 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesdesign-li><a href=/docs/navpatterns/3-cal-coding-guidelines/design/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-docsnavpatterns3-cal-coding-guidelinesdesign><span>Design</span></a><ul class="ul-4 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesdesignby-reference-parameters-li><a href=/docs/navpatterns/3-cal-coding-guidelines/design/by-reference-parameters/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelinesdesignby-reference-parameters><span>By Reference Parameters</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesdesignclass-coupling-li><a href=/docs/navpatterns/3-cal-coding-guidelines/design/class-coupling/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelinesdesignclass-coupling><span>Class Coupling</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesdesigncyclomatic-complexity-li><a href=/docs/navpatterns/3-cal-coding-guidelines/design/cyclomatic-complexity/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelinesdesigncyclomatic-complexity><span>Cyclomatic Complexity</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesdesignencapsulate-local-functionality-li><a href=/docs/navpatterns/3-cal-coding-guidelines/design/encapsulate-local-functionality/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelinesdesignencapsulate-local-functionality><span>Encapsulate Local Functionality</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesdesignfindset-findfirst-findlast-li><a href=/docs/navpatterns/3-cal-coding-guidelines/design/findset-findfirst-findlast/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelinesdesignfindset-findfirst-findlast><span>FINDSET FINDFIRST FINDLAST</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesdesigninitialized-variables-li><a href=/docs/navpatterns/3-cal-coding-guidelines/design/initialized-variables/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelinesdesigninitialized-variables><span>Initialized Variables</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesdesignmaintainability-index-li><a href=/docs/navpatterns/3-cal-coding-guidelines/design/maintainability-index/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelinesdesignmaintainability-index><span>Maintainability Index</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesdesignparameter-placeholders-li><a href=/docs/navpatterns/3-cal-coding-guidelines/design/parameter-placeholders/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelinesdesignparameter-placeholders><span>Parameter Placeholders</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesdesignstatic-object-invocation-li><a href=/docs/navpatterns/3-cal-coding-guidelines/design/static-object-invocation/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelinesdesignstatic-object-invocation><span>Static Object Invocation</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesdesignunreachable-code-li><a href=/docs/navpatterns/3-cal-coding-guidelines/design/unreachable-code/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelinesdesignunreachable-code><span>Unreachable Code</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesdesignunused-initialized-variables-li><a href=/docs/navpatterns/3-cal-coding-guidelines/design/unused-initialized-variables/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelinesdesignunused-initialized-variables><span>Unused Initialized Variables</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesdesignunused-variables-li><a href=/docs/navpatterns/3-cal-coding-guidelines/design/unused-variables/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelinesdesignunused-variables><span>Unused Variables</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesdesignvariable-capacity-mismatch-li><a href=/docs/navpatterns/3-cal-coding-guidelines/design/variable-capacity-mismatch/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelinesdesignvariable-capacity-mismatch><span>Variable Capacity Mismatch</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesdesignwith-scope-name-collision-li><a href=/docs/navpatterns/3-cal-coding-guidelines/design/with-scope-name-collision/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelinesdesignwith-scope-name-collision><span>WITH Scope Name Collision</span></a></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesinternally-used-dot-net-types-li><a href=/docs/navpatterns/3-cal-coding-guidelines/internally-used-dot-net-types/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelinesinternally-used-dot-net-types><span>Internally used DotNet Types</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesinternationalization-li><a href=/docs/navpatterns/3-cal-coding-guidelines/internationalization/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-docsnavpatterns3-cal-coding-guidelinesinternationalization><span>Internationalization</span></a><ul class="ul-4 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesinternationalizationusing-calcdate-li><a href=/docs/navpatterns/3-cal-coding-guidelines/internationalization/using-calcdate/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelinesinternationalizationusing-calcdate><span>Using Calcdate</span></a></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child collapse" id=m-docsnavpatterns3-cal-coding-guidelineslocalizability-li><a href=/docs/navpatterns/3-cal-coding-guidelines/localizability/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-docsnavpatterns3-cal-coding-guidelineslocalizability><span>Localizability</span></a><ul class="ul-4 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelineslocalizabilitycaptionml-for-system-tables-li><a href=/docs/navpatterns/3-cal-coding-guidelines/localizability/captionml-for-system-tables/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelineslocalizabilitycaptionml-for-system-tables><span>CaptionML on System Pages</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelineslocalizabilityfieldcaption-and-tablecaption-li><a href=/docs/navpatterns/3-cal-coding-guidelines/localizability/fieldcaption-and-tablecaption/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelineslocalizabilityfieldcaption-and-tablecaption><span>FIELDCAPTION and TABLECAPTION</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelineslocalizabilityglobal-text-constants-li><a href=/docs/navpatterns/3-cal-coding-guidelines/localizability/global-text-constants/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelineslocalizabilityglobal-text-constants><span>Global Text Constants</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelineslocalizabilityuse-text-constants-li><a href=/docs/navpatterns/3-cal-coding-guidelines/localizability/use-text-constants/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelineslocalizabilityuse-text-constants><span>Use Text Constants</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelineslocalizabilityusing-optioncaptionml-li><a href=/docs/navpatterns/3-cal-coding-guidelines/localizability/using-optioncaptionml/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelineslocalizabilityusing-optioncaptionml><span>Using OptionCaptionML</span></a></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesreadability-li><a href=/docs/navpatterns/3-cal-coding-guidelines/readability/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-docsnavpatterns3-cal-coding-guidelinesreadability><span>Readability</span></a><ul class="ul-4 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilitybegin-as-an-afterword-li><a href=/docs/navpatterns/3-cal-coding-guidelines/readability/begin-as-an-afterword/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilitybegin-as-an-afterword><span>Begin as an 'After Word'</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilitybegin-end-li><a href=/docs/navpatterns/3-cal-coding-guidelines/readability/begin-end/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilitybegin-end><span>Begin-End - Compound Only</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilitybinary-operator-line-start-li><a href=/docs/navpatterns/3-cal-coding-guidelines/readability/binary-operator-line-start/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilitybinary-operator-line-start><span>Binary Operator to Start Line</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilityblank-lines-li><a href=/docs/navpatterns/3-cal-coding-guidelines/readability/blank-lines/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilityblank-lines><span>Blank Lines</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilitycase-actions-li><a href=/docs/navpatterns/3-cal-coding-guidelines/readability/case-actions/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilitycase-actions><span>CASE Action</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilitycolon-usage-in-case-li><a href=/docs/navpatterns/3-cal-coding-guidelines/readability/colon-usage-in-case/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilitycolon-usage-in-case><span>Colon usage in CASE</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilitycomments-curly-brackets-li><a href=/docs/navpatterns/3-cal-coding-guidelines/readability/comments-curly-brackets/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilitycomments-curly-brackets><span>Comments inside Curly Brackets</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilitycomments-spacing-li><a href=/docs/navpatterns/3-cal-coding-guidelines/readability/comments-spacing/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilitycomments-spacing><span>Comment Spacing</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilityend-else-pair-li><a href=/docs/navpatterns/3-cal-coding-guidelines/readability/end-else-pair/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilityend-else-pair><span>END ELSE Pair</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilityindentation-li><a href=/docs/navpatterns/3-cal-coding-guidelines/readability/indentation/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilityindentation><span>Indentation</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilitykeyword-pairs-indentation-li><a href=/docs/navpatterns/3-cal-coding-guidelines/readability/keyword-pairs-indentation/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilitykeyword-pairs-indentation><span>Keyword Pairs - Indentation</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilityline-start-keywords-li><a href=/docs/navpatterns/3-cal-coding-guidelines/readability/line-start-keywords/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilityline-start-keywords><span>Line Start Keywords</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilitylonely-repeat-li><a href=/docs/navpatterns/3-cal-coding-guidelines/readability/lonely-repeat/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilitylonely-repeat><span>Lonely Repeat</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilitynamed-invocations-li><a href=/docs/navpatterns/3-cal-coding-guidelines/readability/named-invocations/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilitynamed-invocations><span>Named Invocations</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilitynested-withs-li><a href=/docs/navpatterns/3-cal-coding-guidelines/readability/nested-withs/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilitynested-withs><span>Nested WITHs</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilityone-statement-per-line-li><a href=/docs/navpatterns/3-cal-coding-guidelines/readability/one-statement-per-line/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilityone-statement-per-line><span>One Statement Per Line</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilityseparate-if-and-else-li><a href=/docs/navpatterns/3-cal-coding-guidelines/readability/separate-if-and-else/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilityseparate-if-and-else><span>Separate IF and ELSE</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilityspacing-binary-operators-li><a href=/docs/navpatterns/3-cal-coding-guidelines/readability/spacing-binary-operators/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilityspacing-binary-operators><span>Spacing Binary Operators</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilityspacing-brackets-and-li><a href=/docs/navpatterns/3-cal-coding-guidelines/readability/spacing-brackets-and/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilityspacing-brackets-and><span>Spacing Brackets and ::</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilityspacing-unary-operators-li><a href=/docs/navpatterns/3-cal-coding-guidelines/readability/spacing-unary-operators/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilityspacing-unary-operators><span>Spacing Unary Operators</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilitysuggested-abbreviations-li><a href=/docs/navpatterns/3-cal-coding-guidelines/readability/suggested-abbreviations/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilitysuggested-abbreviations><span>Suggested Abbreviations</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilitytemporary-variable-naming-li><a href=/docs/navpatterns/3-cal-coding-guidelines/readability/temporary-variable-naming/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilitytemporary-variable-naming><span>Temporary Variable Naming</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilitytextconst-suffixes-li><a href=/docs/navpatterns/3-cal-coding-guidelines/readability/textconst-suffixes/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilitytextconst-suffixes><span>TextConst Suffixes</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilityunary-operator-line-end-li><a href=/docs/navpatterns/3-cal-coding-guidelines/readability/unary-operator-line-end/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilityunary-operator-line-end><span>Unary Operator Line End</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilityunnecessary-compound-parenthesis-li><a href=/docs/navpatterns/3-cal-coding-guidelines/readability/unnecessary-compound-parenthesis/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilityunnecessary-compound-parenthesis><span>Unnecessary Compound Parenthesis</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilityunnecessary-else-li><a href=/docs/navpatterns/3-cal-coding-guidelines/readability/unnecessary-else/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilityunnecessary-else><span>Unnecessary ELSE</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilityunnecessary-function-parenthesis-li><a href=/docs/navpatterns/3-cal-coding-guidelines/readability/unnecessary-function-parenthesis/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilityunnecessary-function-parenthesis><span>Unnecessary Function Parenthesis</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilityunnecessary-separators-li><a href=/docs/navpatterns/3-cal-coding-guidelines/readability/unnecessary-separators/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilityunnecessary-separators><span>Unnecessary Separators</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilityunnecessary-truefalse-li><a href=/docs/navpatterns/3-cal-coding-guidelines/readability/unnecessary-truefalse/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilityunnecessary-truefalse><span>Unnecessary TRUE/FALSE</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilityvariable-already-scoped-li><a href=/docs/navpatterns/3-cal-coding-guidelines/readability/variable-already-scoped/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilityvariable-already-scoped><span>Variable Already Scoped</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilityvariable-naming-li><a href=/docs/navpatterns/3-cal-coding-guidelines/readability/variable-naming/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilityvariable-naming><span>Variable Naming</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilityvariables-declarations-order-li><a href=/docs/navpatterns/3-cal-coding-guidelines/readability/variables-declarations-order/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelinesreadabilityvariables-declarations-order><span>Variables Declarations Order</span></a></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesux-li><a href=/docs/navpatterns/3-cal-coding-guidelines/ux/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-docsnavpatterns3-cal-coding-guidelinesux><span>UX</span></a><ul class="ul-4 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesuxactions-images-li><a href=/docs/navpatterns/3-cal-coding-guidelines/ux/actions-images/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelinesuxactions-images><span>Actions - Images</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesuxconfirm-li><a href=/docs/navpatterns/3-cal-coding-guidelines/ux/confirm/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelinesuxconfirm><span>CONFIRM</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesuxfielderror-li><a href=/docs/navpatterns/3-cal-coding-guidelines/ux/fielderror/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelinesuxfielderror><span>FIELDERROR</span></a></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesuxmessage-and-error-li><a href=/docs/navpatterns/3-cal-coding-guidelines/ux/message-and-error/ class="align-left pl-0 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Patterns</a></li><li class=breadcrumb-item><a href=https://alguidelines.dev/docs/navpatterns/patterns/security/>Security</a></li><li class="breadcrumb-item active" aria-current=page><a href=https://alguidelines.dev/docs/navpatterns/patterns/security/1-sensitive-data-encapsulation/>Sensitive Data Encapsulation</a></li></ol></nav><div class=td-content><h1>Sensitive Data Encapsulation</h1><header class=article-meta><div class="taxonomy taxonomy-terms-article taxo-tags"><h5 class=taxonomy-title>Tags:</h5><ul class=taxonomy-terms><li><a class=taxonomy-term href=https://alguidelines.dev/tags/c/al/ data-taxonomy-term=c/al><span class=taxonomy-label>C/AL</span></a></li></ul></div><div class="taxonomy taxonomy-terms-article taxo-categories"><h5 class=taxonomy-title>Categories:</h5><ul class=taxonomy-terms><li><a class=taxonomy-term href=https://alguidelines.dev/categories/pattern/ data-taxonomy-term=pattern><span class=taxonomy-label>Pattern</span></a></li></ul></div></header><p><em>By Bogdana Botez at Microsoft Development Center Copenhagen</em></p><p><a href=Logo-_2D00_-Protected-Data-Encapsulation.png><img src=Logo-_2D00_-Protected-Data-Encapsulation.png alt=" "></a></p><p><strong>Aliases:</strong> Encapsulation, Separation of Concerns [1]</p><p><strong>Context</strong>: You want to store and protect sensitive data which already exists in a system, but it is not clear which data needs protection and how to store it.</p><p><strong>Problem</strong>: Sensitive data is scattered and mixed with other data in various parts of the system (passwords residing in the same table with non-sensitive data, part of the private information might be stored in files, hardcoded text constants, hardcoded info as part of the code etc.).</p><p><strong>Forces:</strong></p><ul><li><strong>Obscurity:</strong> sensitive data mixed with other data and code makes it hard to have an overview of what needs to be protected.</li><li><strong>Effort:</strong> the protection mechanisms needs to be applied multiple times, once for each location of the sensitive data.</li><li><strong>Diversity:</strong> different data storage mediums can require different protection solutions.</li><li><strong>Cohesiveness:</strong> code, low importance data, highly sensitive data are all monolithically mixed which might make it hard to select and protect only what is important.</li><li><strong>Low</strong> <strong>Performance</strong>: protecting all data can slow down the system.</li></ul><p><strong>Solution:</strong> Extract and separate sensitive data into a single known repository.</p><p>To apply this pattern in Dynamics NAV, a table structure similar to Table 1261 Service Password can be used. The Service Password table also contains additional functionality which will help to further apply related patterns like <a href=/navpatterns/1-patterns/security/3-single-point-of-access/><strong>Access Control</strong></a> and <a href=/navpatterns/1-patterns/security/2-data-encryption/><strong>Encryption</strong></a>.</p><p>Figure 1 describes the definition of a table which is already available in Dynamics NAV. This table can be used for storing sensitive data. As a minimum, the table only needs two fields:</p><ol><li>The key is of type GUID (Globally Unique Identifier), which is a 128-bit value consisting of multiple groups of hexadecimal digits [2]. Each key needs to be unique and will be used for storing and retrieving the protected information.</li><li>The value (the actual data to be encapsulated) is of type BLOB (Binary Large OBject) [3], which contains the encrypted or un-encrypted data (for encryption, see the related <a href=/navpatterns/1-patterns/security/2-data-encryption/><strong>Encryption</strong></a> pattern).</li></ol><p><a href=Data-Encapsulation-_2D00_-figure-1.png><img src=Data-Encapsulation-_2D00_-figure-1.png alt="Figure 1- Example definition, table used for Data Encapsulation"></a></p><p><em>Figure 1- Example definition, table used for <strong>Sensitive</strong> <strong>Data</strong> <strong>Encapsulation</strong></em></p><p>Let&rsquo;s use a software system (which can be a Dynamics NAV extension or customization). Chances are that the system will look similar to the one described in part 1 of Figure 2: there is data handled in various places of the system, on various storage solutions. Intertwined with normal data, there is sensitive data. For example: Dynamics CRM (Customer Relationship Management) connection information could be all stored in one table, and consists of the connection URI (normal data), enabled/disabled status (normal data), and connection password (sensitive data).</p><p>Figure 2 illustrates the system before and after applying the <strong>Sensitive Data Encapsulation</strong> pattern.</p><ul><li>Before: picture part 1 shows the initial system, where most likely the data is scattered across the system. Furthermore, it is stored in different mediums, like<ul><li>In a table (possible together with low-importance data)</li><li>Hardcoded (in Dynamics NAV, it can be a text constant, or just plainly typed in the code)</li><li>In files</li></ul></li></ul><p>Furthermore, actors which have to interact with the data, need to remember where to find each piece of information and how to retrieve it.</p><ul><li>After: the part 2 of Figure 2 shows the same system after application of <strong>Sensitive Data Encapsulation</strong>. Now, all data is stored in one place, and all actors which interact with it can read it from the unique location.</li></ul><p><a href=Multi-_2D00_-1-2.JPG><img src=Multi-_2D00_-1-2.JPG alt=" "></a></p><p><em>Figure 2 - Data access before and after <strong>Sensitive</strong> <strong>Data</strong> <strong>Encapsulation.</strong></em></p><p><strong>Benefits:</strong></p><ul><li><strong>Clarity:</strong> when all sensitive data is encapsulated in one place, it is clear which is the information that needs to be protected.</li><li><strong>Simplicity:</strong> easier to protect just a limited number of known resources when they are grouped.</li><li><strong>Homogeneity:</strong> the same protection can be applied to all data, since it is stored in the same place.</li><li><strong>Separation of concerns:</strong> treat each section of the computer program differently, by separating it and clearly addressing its own requirements and limitations. [1]</li><li><strong>Performance</strong>: data protection techniques like <strong>Access Control</strong> and <strong>Encryption</strong> can now be applied only to the sensitive data (not to everything), which improves the performance of the system.</li></ul><p><strong>Drawbacks:</strong></p><ul><li><strong>Single point of failure:</strong> a maliciously intended actor has no longer a need to reverse engineer the places where important data is stored. In the unwanted situation when this actor would have already obtained access to the system, they can more easily locate the sensitive information. This is a step towards information disclosure, but mechanisms like <a href=/navpatterns/1-patterns/security/2-data-encryption/><strong>Encryption</strong></a> and logging can provide further protection.</li><li><strong>Limited Text Length</strong>: there is a limit on how long the encrypted text can be. This limit is imposed by the OS encryption service and it depends on the composition of the text as well as on the system specifics. In NAV, we had implemented the Encrypted Text for text values of max 250 chars, which is enough to cover passwords, person ID numbers, credit card info, but it might turn insufficient in other future scenarios.</li><li><strong>Nomenclature</strong>: the name of the table <strong>Service Password</strong> is too specific, since it started by being used for passwords, but it has the capability and it now contains other sensitive data like API Keys, credit card numbers etc.</li></ul><p><strong>References</strong></p><p>[1] &ldquo;Wikipedia,&rdquo; [Online]. Available: <a href=https://en.wikipedia.org/wiki/Separation_of_concerns>https://en.wikipedia.org/wiki/Separation_of_concerns</a>.</p><p>[2] &ldquo;GUID Structure,&rdquo; [Online]. Available: <a href=https://msdn.microsoft.com/en-us/library/aa373931(VS.85).aspx>https://msdn.microsoft.com/en-us/library/aa373931(VS.85).aspx</a>.</p><p>[3] &ldquo;Wikipedia,&rdquo; [Online]. Available: <a href=https://en.wikipedia.org/wiki/Binary_large_object>https://en.wikipedia.org/wiki/Binary_large_object</a>.</p><p>[4] waldo, &ldquo;How Do I: Manage Companies in Microsoft Dynamics NAV 2013 R2&rdquo;.</p><p>[5] Microsoft, &ldquo;Multitenant Deployment Architecture,&rdquo; Microsoft, [Online]. Available: <a href="https://msdn.microsoft.com/en-us/library/dn271675(v=nav.90).aspx">https://msdn.microsoft.com/en-us/library/dn271675(v=nav.90).aspx</a>.</p><p>[6] B. Botez, &ldquo;Setup Table design pattern,&rdquo; Microsoft, 2013. [Online]. Available: <a href=https://community.dynamics.com/nav/w/designpatterns/76.setup-table>https://community.dynamics.com/nav/w/designpatterns/76.setup-table</a>. [Accessed 31 07 2016].</p><p>[7] &ldquo;Shotgun Surgery,&rdquo; [Online]. Available: <a href=https://en.wikipedia.org/wiki/Shotgun_surgery>https://en.wikipedia.org/wiki/Shotgun_surgery</a>. [Accessed 31 07 2016].</p><p>[8] M. Fowler, Refactoring: Improving the design of existing code, Addison Wesley, 1999.</p><p>[9] &ldquo;Masking out,&rdquo; [Online]. Available: <a href=https://en.wikipedia.org/wiki/Data_masking#Masking_out>https://en.wikipedia.org/wiki/Data_masking#Masking_out</a>. [Accessed 29 7 2016].</p><p>[10] &ldquo;Key Vault,&rdquo; Microsoft, [Online]. Available: <a href=https://azure.microsoft.com/en-us/services/key-vault/>https://azure.microsoft.com/en-us/services/key-vault/</a>.</p><p>[11] &ldquo;How to: Configure SSL to Secure the Connection to Microsoft Dynamics NAV Web Client,&rdquo; Microsoft, [Online]. Available: <a href="https://msdn.microsoft.com/en-us/library/hh167264(v=nav.90).aspx">https://msdn.microsoft.com/en-us/library/hh167264(v=nav.90).aspx</a>. [Accessed 2 8 2016].</p><p>[12] &ldquo;sniffer,&rdquo; [Online]. Available: <a href=http://compnetworking.about.com/od/networksecurityprivacy/g/bldef_sniffer.htm>http://compnetworking.about.com/od/networksecurityprivacy/g/bldef_sniffer.htm</a>. [Accessed 02 08 2016].</p><div class="text-muted mt-5 pt-3 border-top">Last modified February 24, 2022: <a href=https://github.com/microsoft/alguidelines/commit/5ee0436639455a35835c5ce88241d3fad662ee06>Added tags & categories + cleanup (5ee04366)</a>
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