Users must be prompted to authenticate when the system wakes from sleep (on battery).

STIG ID: WN16-CC-000210  |  SRG: SRG-OS-000480-GPOS-00227 |  Severity: medium |  CCI: CCI-000366 |  Vulnerability Id: V-224929 | 

Vulnerability Discussion

A system that does not require authentication when resuming from sleep may provide access to unauthorized users. Authentication must always be required when accessing a system. This setting ensures users are prompted for a password when the system wakes from sleep (on battery).

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: DCSettingIndex

Type: REG_DWORD
Value: 0x00000001 (1)

Fix

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