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bcquality/microsoft/knowledge/security/prefer-azure-key-vault-for-production-secrets.md
Jesper Schulz-Wedde 9a4198eb28 Add [all] sentinel to bc-version; apply to version-agnostic knowledge 
Most of the corpus — FindSet/SetLoadFields/CalcFields patterns, permission
sets, SingleInstance codeunits, DataClassification, IsolatedStorage,
transaction scope, SecretText — describes BC platform behaviour that is
identical across supported versions. The seed [26..28] range on every
file implied a version-specificity the content does not actually have,
and there was no way to express "applies to every version" in the
schema the way [w1] and [all] already do for countries and
application-area.

Extend the v1 schema with a universal sentinel for bc-version, parallel
to the sentinels already defined for the other dimensions:

  bc-version: [all]         # applies to every BC version

[all] is mutually exclusive with explicit versions. Range shorthand
([26..28]) and explicit lists ([26, 27, 28]) continue to work for files
genuinely tied to a version-gated API or deprecation.

Update read.md (field definition, matching semantics, partial-context
rule), write.md (default to [all], use ranges only with a concrete
reason), README.md (frontmatter example), and the CI validator. All
forty existing knowledge files and the three action skills convert to
[all]; none of the current content is version-gated. Validator passes.
2026-04-23 16:00:03 +02:00

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bc-version domain keywords technologies countries application-area
all
security
keyvault
azure
secrets
rotation
audit
al
w1
all

Prefer Azure Key Vault for production secrets

Seed article. Converted from an existing security-review prompt to bootstrap the BCQuality security corpus. Domain stewards should expand, restructure, and refine as needed.

Description

Azure Key Vault is an external secret store that supports central management, rotation, and access auditing. The Business Central system application exposes integration APIs that retrieve Key Vault secrets at runtime. IsolatedStorage, by contrast, is a per-tenant local encrypted store with no central rotation or audit story.

Best Practice

For production workloads that require secret rotation, access auditing, and separation between secret custodians and app developers, Azure Key Vault SHOULD be the store of record. Retrieve secrets into a SecretText variable on demand, cache only as long as the call requires, and never persist the retrieved plaintext anywhere the extension does not control. IsolatedStorage MAY be used when a per-tenant local encrypted store is all that is required.

Anti Pattern

Treating IsolatedStorage as the long-term home for secrets in a multi-tenant production extension where secret rotation, central revocation, or access auditing are required.