The system must be configured to prevent the storage of the LAN Manager hash of passwords.

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The system must be configured to prevent the storage of the LAN Manager hash of passwords.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-3379	WN08-SO-000065	SV-48081r1_rule	ECSC-1 IAIA-1 IAIA-2	High

Description
The LAN Manager hash uses a weak encryption algorithm and there are several tools available that use this hash to retrieve account passwords. This setting controls whether or not a LAN Manager hash of the password is stored in the SAM the next time the password is changed.

STIG	Date
Windows 8 / 8.1 Security Technical Implementation Guide	2015-06-24

Details

Check Text ( None )
None

Fix Text (F-41219r1_fix)
Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> Security Options -> "Network security: Do not store LAN Manager hash value on next password change" to "Enabled".