2 Local Policies
2.3 Security Options
2.3.2 Audit
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2.3.2.1 (L1) Ensure 'Audit: Force audit policy subcategory settings (Windows Vista or later) to override audit policy category settings' is set to 'Enabled' (Automated)
Profile Applicability:
• Level 1 - Domain Controller
• Level 1 - Member Server Description:
This policy setting allows administrators to enable the more precise auditing capabilities present in Windows Vista.
The Audit Policy settings available in Windows Server 2003 Active Directory do not yet contain settings for managing the new auditing subcategories. To properly apply the auditing policies prescribed in this baseline, the Audit: Force audit policy subcategory settings (Windows Vista or later) to override audit policy category settings setting needs to be configured to Enabled.
The recommended state for this setting is: Enabled.
Important: Be very cautious about audit settings that can generate a large volume of traffic. For example, if you enable either success or failure auditing for all of the Privilege Use subcategories, the high volume of audit events generated can make it difficult to find other types of entries in the Security log. Such a configuration could also have a significant impact on system performance.
Rationale:
Prior to the introduction of auditing subcategories in Windows Vista, it was difficult to track events at a per-system or per-user level. The larger event categories created too many events and the key information that needed to be audited was difficult to find.
Impact:
None - this is the default behavior.
Audit:
Navigate to the UI Path articulated in the Remediation section and confirm it is set as prescribed. This group policy setting is backed by the following registry location:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa:SCENoApplyLegacyAudit Policy
Remediation:
To establish the recommended configuration via GP, set the following UI path to
Enabled:
Computer Configuration\Policies\Windows Settings\Security Settings\Local Policies\Security Options\Audit: Force audit policy subcategory settings (Windows Vista or later) to override audit policy category settings
Default Value:
Enabled. (Advanced Audit Policy Configuration settings will be used for auditing configuration, and legacy Audit Policy configuration settings will be ignored.) References:
1. https://docs.microsoft.com/en-us/windows-server/identity/ad-
ds/manage/component-updates/command-line-process-auditing#to-ensure-that- advanced-audit-policy-configuration-settings-are-not-overwritten
CIS Controls:
Controls
Version Control IG 1 IG 2 IG 3
v8
8.5 Collect Detailed Audit Logs
Configure detailed audit logging for enterprise assets containing sensitive data.
Include event source, date, username, timestamp, source addresses, destination addresses, and other useful elements that could assist in a forensic investigation.
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v7 6.2 Activate audit logging
Ensure that local logging has been enabled on all systems and networking devices.
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v7
6.3 Enable Detailed Logging
Enable system logging to include detailed information such as an event source,
date, user, timestamp, source addresses, destination addresses, and other useful
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2.3.2.2 (L1) Ensure 'Audit: Shut down system immediately if unable to log security audits' is set to 'Disabled' (Automated)
Profile Applicability:
• Level 1 - Domain Controller
• Level 1 - Member Server Description:
This policy setting determines whether the system shuts down if it is unable to log Security events. It is a requirement for Trusted Computer System Evaluation Criteria (TCSEC)-C2 and Common Criteria certification to prevent auditable events from occurring if the audit system is unable to log them. Microsoft has chosen to meet this requirement by halting the system and displaying a stop message if the auditing system experiences a failure. When this policy setting is enabled, the system will be shut down if a security audit cannot be logged for any reason.
If the Audit: Shut down system immediately if unable to log security audits setting is enabled, unplanned system failures can occur. The administrative burden can be significant, especially if you also configure the Retention method for the Security log to Do not overwrite events (clear log manually). This configuration causes a repudiation threat (a backup operator could deny that they backed up or restored data) to become a denial of service (DoS) vulnerability, because a server could be forced to shut down if it is overwhelmed with logon events and other security events that are written to the Security log. Also, because the shutdown is not graceful, it is possible that irreparable damage to the operating system, applications, or data could result. Although the NTFS file system guarantees its integrity when an ungraceful computer shutdown occurs, it cannot guarantee that every data file for every application will still be in a usable form when the computer restarts.
The recommended state for this setting is: Disabled. Rationale:
If the computer is unable to record events to the Security log, critical evidence or important troubleshooting information may not be available for review after a security incident. Also, an attacker could potentially generate a large volume of Security log events to purposely force a computer shutdown.
Impact:
None - this is the default behavior.
Audit:
Navigate to the UI Path articulated in the Remediation section and confirm it is set as prescribed. This group policy setting is backed by the following registry location:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa:CrashOnAuditFail
Remediation:
To establish the recommended configuration via GP, set the following UI path to
Disabled:
Computer Configuration\Policies\Windows Settings\Security Settings\Local Policies\Security Options\Audit: Shut down system immediately if unable to log security audits
Default Value:
Disabled.
CIS Controls:
Controls
Version Control IG 1 IG 2 IG 3
v8 8.3 Ensure Adequate Audit Log Storage
Ensure that logging destinations maintain adequate storage to comply with
the enterprise’s audit log management process.
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v7 6.4 Ensure adequate storage for logs
Ensure that all systems that store logs have adequate storage space for the logs generated.
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