id: os_screensaver_loginwindow_enforce
title: Enforce Screen Saver at Login Window
discussion: |
  A default screen saver _MUST_ be configured to display at the login window and _MUST_ not display any sensitive information.
check: |
  /usr/bin/osascript -l JavaScript << EOS
  $.NSUserDefaults.alloc.initWithSuiteName('com.apple.screensaver')\
  .objectForKey('moduleName').js
  EOS
result:
  string: Tahoe
fix: |
  This is implemented by a Configuration Profile.
references:
  cce:
    - CCE-95290-3
  cci:
    - CCI-000060
  800-53r5:
    - AC-11(1)
  800-53r4:
    - AC-11(1)
  srg:
    - N/A
  disa_stig:
    - N/A
  800-171r3:
    - 03.01.10
  cmmc:
    - AC.L2-3.1.10
macOS:
  - '26.0'
tags:
  - 800-53r5_moderate
  - 800-53r5_high
  - 800-53r4_moderate
  - 800-53r4_high
  - 800-171
  - cnssi-1253_low
  - cnssi-1253_high
  - cmmc_lvl2
  - cnssi-1253_moderate
severity: medium
mobileconfig: true
mobileconfig_info:
  com.apple.screensaver:
    moduleName: Tahoe
