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Fixes #11454 - Add note about temp files created to detect AppLocker #11455

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merged 2 commits into from
Oct 10, 2024
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Fixes #11454 - Add note about temp files created to detect AppLocker #11455

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682393c
Add note about temp files created to detect AppLocker
sdwheeler Oct 10, 2024
11b1cfb
fix typo
sdwheeler Oct 10, 2024
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16 changes: 13 additions & 3 deletions reference/docs-conceptual/security/app-control/application-control.md
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Expand Up @@ -16,9 +16,19 @@ based on unique properties of the files.
**WDAC**, introduced with Windows 10, allows you to control which drivers and applications are
allowed to run on Windows.

PowerShell detects both AppLocker and WDAC system wide policies. AppLocker is deprecated. WDAC is
the preferred application control system for Windows. WDAC is designed as a security feature under
the servicing criteria defined by the Microsoft Security Response Center (MSRC).
## Lockdown policy detection

PowerShell detects both AppLocker and WDAC system wide policies. AppLocker doesn't have way to query
the policy enforcement status. To detect if a system wide application control policy is being
enforced by AppLocker, PowerShell creates two temporary files and tests if they can be executed. The
filenames use the following name format:

- `$env:TEMP/__PSAppLockerTest__<random-8dot3-name>.ps1`
- `$env:TEMP/__PSAppLockerTest__<random-8dot3-name>.psm1`

WDAC is the preferred application control system for Windows. WDAC provides APIs that allow you to
discover the policy configuration. WDAC is designed as a security feature under the servicing
criteria defined by the Microsoft Security Response Center (MSRC).

For more information about AppLocker and WDAC, see [Application Controls for Windows][04] and
[WDAC and AppLocker feature availability][02].
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