The built-in administrator account must be disabled.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-16047	WN08-SO-000001	SV-48262r1_rule	IAAC-1	Medium

Description
The built-in administrator account is a well-known account subject to attack. It also provides no accountability to individual administrators on a system. It must be disabled to prevent its use.

STIG	Date
Windows 8 / 8.1 Security Technical Implementation Guide	2015-03-09

Details

Check Text ( None )
None

Fix Text (F-41397r1_fix)
Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> Security Options -> "Accounts: Administrator account status" to "Disabled".