1.210 WN11-SO-000145

Information

Anonymous enumeration of SAM accounts must not be allowed.

GROUP ID: V-253453
RULE ID: SV-253453r991589

Anonymous enumeration of SAM accounts allows anonymous log on users (null session connections) to list all accounts names, thus providing a list of potential points to attack the system.

Solution

Configure the policy value for

Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> 'Network access: Do not allow anonymous enumeration of SAM accounts'

to 'Enabled'.

See Also

https://workbench.cisecurity.org/benchmarks/27756