The user must be prompted for a password on resume from sleep (plugged in).

STIG ID: WN10-CC-000150  |  SRG: SRG-OS-000373-GPOS-00156 |  Severity: medium |  CCI: CCI-004895,CCI-002038,CCI-002038 |  Vulnerability Id: V-220822 | 

Vulnerability Discussion

Authentication must always be required when accessing a system. This setting ensures the user is prompted for a password on resume from sleep (plugged in).

Check

If the following registry value does not exist or is not configured as specified, this is a finding:

Registry Hive: HKEY_LOCAL_MACHINE
Registry Path: \SOFTWARE\Policies\Microsoft\Power\PowerSettings\0e796bdb-100d-47d6-a2d5-f7d2daa51f51\

Value Name: ACSettingIndex

Value Type: REG_DWORD
Value: 1

Fix

Configure the policy value for Computer Configuration >> Administrative Templates >> System >> Power Management >> Sleep Settings >> "Require a password when a computer wakes (plugged in)" to "Enabled".