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The built-in administrator account must be renamed.


Overview

Finding ID Version Rule ID IA Controls Severity
V-63619 WN10-SO-000020 SV-78109r1_rule Medium
Description
The built-in administrator account is a well-known account subject to attack. Renaming this account to an unidentified name improves the protection of this account and the system.
STIG Date
Windows 10 Security Technical Implementation Guide 2017-02-21

Details

Check Text ( C-64371r2_chk )
Verify the effective setting in Local Group Policy Editor.
Run "gpedit.msc".

Navigate to Local Computer Policy >> Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options.

If the value for "Accounts: Rename administrator account" is set to "Administrator", this is a finding.
Fix Text (F-69551r1_fix)
Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> "Accounts: Rename administrator account" to a name other than "Administrator".