The built-in administrator account must be renamed.
Severity | Group ID | Group Title | Version | Rule ID | Date | STIG Version |
|---|---|---|---|---|---|---|
| medium | V-220911 | SRG-OS-000480-GPOS-00227 | WN10-SO-000020 | SV-220911r991589_rule | 2025-02-25 | 3 |
| 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. |
| ℹ️ Check |
|---|
| 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 |
|---|
| 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". |