Ensure 'Encryption mode for Information Rights Management (IRM)' is set to 'Enabled: Cipher Block Chaining (CBC)'

높음레벨 1자동intune-office

설명

This setting controls the encryption mode that Office uses to protect content with Information Rights Management. • For Microsoft 365 Apps (Version 2304 or later): Cipher Block Chaining (CBC) mode is used • For earlier Microsoft 365 Apps and Office LTSC 2021, 2019, and 2016: Electronic Codebook (ECB) mode is used The recommended state for this setting is: Enabled: Cipher Block Chaining (CBC). Audit: reads the registry value(s) compatibleencryption that the Intune policy writes for every loaded user profile (HKEY_USERS) and prints compliant only when each satisfies the benchmark value.

점검 방법

감사 방식: Windows 레지스트리

registry

$bad = @(); $bad += @(Get-ChildItem Registry::HKEY_USERS | Where-Object { $_.PSChildName -match '^S-1-5-21-\d+-\d+-\d+-\d+$' } | ForEach-Object { $v = (Get-ItemProperty -Path ('Registry::HKEY_USERS\' + $_.PSChildName + '\SOFTWARE\Policies\Microsoft\office\16.0\common\drm') -Name 'compatibleencryption' -ErrorAction SilentlyContinue).'compatibleencryption'; if (-not ($null -ne $v -and @(1) -contains [int64]$v)) { $_.PSChildName + ':compatibleencryption=' + $v } }); if ($bad.Count -eq 0) { 'compliant' } else { 'non-compliant: ' + ($bad -join ', ') }

예상 출력: compliant

조치 방법

조치 방식: 가이드 또는 인프라 패치

To establish the recommended state via configuration profiles, set the following Settings Catalog path to Enabled: Cipher Block Chaining (CBC): Microsoft Office 2016\Security Settings\Encryption mode for Information Rights Management (IRM)

속성

운영 체제: 모두
태그: intune-officeintuneregistry
참고 자료: CIS Microsoft Intune for Office Benchmark v1.1.0 - 2.3.27.12 Ensure 'Encryption mode for Information Rights Management (IRM)' is set to 'Enabled: Cipher Block Chaining (CBC)'

이 호스트 점검하기

감사 권한이 있는 시스템에서 실행하세요. 스캔은 읽기 전용입니다.

shell

tmaegis scan --target intune-office