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Outdated or unused accounts must be removed from the system or disabled.


Overview

Finding ID Version Rule ID IA Controls Severity
V-1112 WN12-GE-000014 SV-52854r1_rule IAAC-1 Low
Description
Outdated or unused accounts provide penetration points that may go undetected. Inactive accounts must be deleted if no longer necessary or, if still required, disabled until needed.
STIG Date
Windows Server 2012 / 2012 R2 Domain Controller Security Technical Implementation Guide 2014-12-18

Details

Check Text ( C-47171r2_chk )
Run the DUMPSEC utility.
Select "Dump Users as Table" from the "Report" menu.
Select the following fields, and click "Add" for each entry:

UserName
SID
LastLogonTime
AcctDisabled

Review the "LastLogonTime".
If any enabled accounts have not been logged into within the past 35 days, this is a finding.

The following accounts are exempt:
Built-in administrator account (SID ending in 500)
Built-in guest account (SID ending in 501)
Application accounts
Disabled accounts

The following PowerShell command may be used on domain controllers to list inactive accounts:
Search-ADAccount -AccountInactive -UsersOnly -TimeSpan 35.00:00:00

Review the list to determine the validity for each account reported.
Fix Text (F-45780r1_fix)
Regularly review accounts to determine if they are still active. Remove or disable accounts that have not been used in the last 35 days.