Check: WN11-AU-000505
Microsoft Windows 11 STIG:
WN11-AU-000505
(in versions v1 r6 through v1 r1)
Title
The Security event log size must be configured to 1024000 KB or greater. (Cat II impact)
Discussion
Inadequate log size will cause the log to fill up quickly. This may prevent audit events from being recorded properly and require frequent attention by administrative personnel.
Check Content
If the system is configured to send audit records directly to an audit server, this is NA. This must be documented with the ISSO. 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\Windows\EventLog\Security\ Value Name: MaxSize Value Type: REG_DWORD Value: 0x000fa000 (1024000) (or greater)
Fix Text
Configure the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Event Log Service >> Security >> "Specify the maximum log file size (KB)" to "Enabled" with a "Maximum Log Size (KB)" of "1024000" or greater. If the system is configured to send audit records directly to an audit server, this must be documented with the ISSO.
Additional Identifiers
Rule ID: SV-253338r877391_rule
Vulnerability ID: V-253338
Group Title: SRG-OS-000341-GPOS-00132
Expert Comments
CCIs
| Number | Definition |
|---|---|
| CCI-001819 |
The organization implements approved configuration-controlled changes to the information system. |
| CCI-001849 |
The organization allocates audit record storage capacity in accordance with organization-defined audit record storage requirements. |