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Caching of logon credentials must be limited.


Overview

Finding ID Version Rule ID IA Controls Severity
V-1090 WN12-SO-000024 SV-52846r1_rule ECSC-1 Low
Description
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, storing encrypted copies of users' passwords on workstations does not always have the same physical protection required for domain controllers. If a workstation 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
Windows Server 2012 / 2012 R2 Domain Controller Security Technical Implementation Guide 2014-07-09

Details

Check Text ( None )
None
Fix Text (F-45772r1_fix)
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.