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Address review feedback on security knowledge promotion

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- do-not-grant-rights-beyond-a-users-entitlement.md: drop the See sample
  reference to a .good.al file that does not exist
- Remove the 'Contributions welcome' boilerplate line from
  compose-permission-sets, prefer-oauth2, and protect-sensitive-data
- protect-sensitive-data-in-temporary-tables: remove the pointless
  DeleteAll on the locally scoped temp buffer in the good sample and
  reword Best Practice to note local buffers are cleaned up automatically
- Drop guard-bulk-operations-with-istemporary from the promotion; it
  stays in the community layer pending a decision on whether it is security

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
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Jesper Schulz-Wedde 2026-07-10 12:27:31 +02:00
parent 347984ac74
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microsoft/knowledge/security/protect-sensitive-data-in-temporary-tables.md
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@ -9,15 +9,13 @@ application-area: [all]
# Protect sensitive data in temporary tables
> Contributions welcome — open a PR to refine or extend this article.
## Description
A temporary record copies data out of the source table into session memory. The platform does not automatically enforce the source table's permission model on the copy, and a value written to a temporary buffer can outlive the procedure that put it there if the buffer is a global or is passed upward. Code that places sensitive rows into a temporary table is therefore responsible for the checks and cleanup the source table would otherwise provide.
## Best Practice
Validate the caller's read permission on the source table before populating the temporary buffer. Keep the buffer's lifetime as short as the work requires, and delete its contents on every exit path — including error paths — so sensitive values do not linger. Prefer local temporary variables over globals for anything carrying sensitive data.
Validate the caller's read permission on the source table before populating the temporary buffer. Keep the buffer's lifetime as short as the work requires, and prefer local temporary variables over globals for anything carrying sensitive data — a local buffer's contents are discarded automatically when the procedure returns. When a buffer must be global or is passed back to callers, delete its contents on every exit path — including error paths — so sensitive values do not linger.
See sample: `protect-sensitive-data-in-temporary-tables.good.al`.