The built-in guest account must be renamed.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-1114	4.021	SV-25024r2_rule		Medium

Description
The built-in guest account is a well-known user account on all Windows systems and, as initially installed, does not require a password. This can allow access to system resources by unauthorized users. Renaming this account to an unidentified name improves the protection of this account and the system.

STIG	Date
Windows 7 Security Technical Implementation Guide	2018-02-12

Details

Check Text ( C-60779r2_chk )
Analyze the system using the Security Configuration and Analysis snap-in. Expand the Security Configuration and Analysis tree view. Navigate to Local Policies >> Security Options. If the value for "Accounts: Rename guest account" is not set to a value other than "Guest", this is a finding.

Fix Text (F-65511r2_fix)
Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> "Accounts: Rename guest account" to a name other than "Guest".