The system will be configured to audit "Policy Change -> Authentication Policy Change" successes.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-26548	WINAU-000702	SV-33653r1_rule	ECAR-2 ECAR-3	Medium

Description
Maintaining an audit trail of system activity logs can help identify configuration errors, troubleshoot service disruptions, and analyze compromises that have occurred as well as detecting attacks. Audit logs are necessary to provide a trail of evidence in case the system or network is compromised. Collecting this data is essential for analyzing the security of information assets and detecting signs of suspicious and unexpected behavior. Authentication Policy Change records events related to changes in authentication policy including Kerberos policy and Trust changes.

Description

Maintaining an audit trail of system activity logs can help identify configuration errors, troubleshoot service disruptions, and analyze compromises that have occurred as well as detecting attacks. Audit logs are necessary to provide a trail of evidence in case the system or network is compromised. Collecting this data is essential for analyzing the security of information assets and detecting signs of suspicious and unexpected behavior. Authentication Policy Change records events related to changes in authentication policy including Kerberos policy and Trust changes.

STIG	Date
Windows Server 2008 R2 Domain Controller Security Technical Implementation Guide	2013-03-14

Details

Check Text ( C-34112r1_chk )
Security Option “Audit: Force audit policy subcategory settings (Windows Vista or later) to override audit policy category settings” must be set to “Enabled” (V-14230) for the detailed auditing subcategories to be effective. Use the AuditPol tool to review the current Audit Policy configuration: -Open a Command Prompt with elevated privileges (“Run as Administrator”). -Enter “AuditPol /get /category:*”. Compare the Auditpol settings with the following. If the system does not audit the following, this is a finding: Policy Change -> Authentication Policy Change - Success

Check Text ( C-34112r1_chk )

Security Option “Audit: Force audit policy subcategory settings (Windows Vista or later) to override audit policy category settings” must be set to “Enabled” (V-14230) for the detailed auditing subcategories to be effective.

Use the AuditPol tool to review the current Audit Policy configuration:
-Open a Command Prompt with elevated privileges (“Run as Administrator”).
-Enter “AuditPol /get /category:*”.

Compare the Auditpol settings with the following. If the system does not audit the following, this is a finding:

Policy Change -> Authentication Policy Change - Success

Fix Text (F-29792r1_fix)
Detailed auditing subcategories are configured in Security Settings -> Advanced Audit Policy Configuration. The summary level settings under Security Settings -> Local Policies -> Audit Policy will not be enforced (see V-14230). Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Advanced Audit Policy Configuration -> System Audit Policies -> Policy Change -> "Audit Authentication Policy Change" with “Success” selected.

Fix Text (F-29792r1_fix)

Detailed auditing subcategories are configured in Security Settings -> Advanced Audit Policy Configuration. The summary level settings under Security Settings -> Local Policies -> Audit Policy will not be enforced (see V-14230).

Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Advanced Audit Policy Configuration -> System Audit Policies -> Policy Change -> "Audit Authentication Policy Change" with “Success” selected.