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Reversible password encryption must be disabled.


Overview

Finding ID Version Rule ID IA Controls Severity
V-226064 WN12-AC-000009 SV-226064r794293_rule High
Description
Storing passwords using reversible encryption is essentially the same as storing clear-text versions of the passwords. For this reason, this policy must never be enabled.
STIG Date
Microsoft Windows Server 2012/2012 R2 Domain Controller Security Technical Implementation Guide 2022-03-01

Details

Check Text ( C-27766r475515_chk )
Verify the effective setting in Local Group Policy Editor.
Run "gpedit.msc".

Navigate to Local Computer Policy -> Computer Configuration -> Windows Settings -> Security Settings -> Account Policies -> Password Policy.

If the value for "Store password using reversible encryption" is not set to "Disabled", this is a finding.
Fix Text (F-27754r475516_fix)
Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Account Policies -> Password Policy -> "Store password using reversible encryption" to "Disabled".