Finding ID | Version | Rule ID | IA Controls | Severity |
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V-1090 | WN12-SO-000024 | SV-52846r2_rule | ECSC-1 | Low |
Description |
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The default Windows configuration caches the last logon credentials for users who log on interactively to a system. This feature is provided for system availability reasons, such as the user's machine being disconnected from the network or domain controllers being unavailable. Even though the credential cache is well-protected, if a system is attacked, an unauthorized individual may isolate the password to a domain user account using a password-cracking program and gain access to the domain. |
STIG | Date |
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Windows Server 2012 / 2012 R2 Member Server Security Technical Implementation Guide | 2015-06-16 |
Check Text ( C-61743r2_chk ) |
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If the system is not a member of a domain, this is NA. 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\Microsoft\Windows NT\CurrentVersion\Winlogon\ Value Name: CachedLogonsCount Value Type: REG_SZ Value: 4 (or less) |
Fix Text (F-66507r2_fix) |
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If the system is not a member of a domain, this is NA. Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> "Interactive Logon: Number of previous logons to cache (in case Domain Controller is not available)" to "4" logons or less. |