The operating system must automatically lock an account until the locked account is released by an administrator when three unsuccessful logon attempts in 15 minutes occur.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-203698	SRG-OS-000329-GPOS-00128	SV-203698r958736_rule		Medium

Description

By limiting the number of failed logon attempts, the risk of unauthorized system access via user password guessing, otherwise known as brute-forcing, is reduced. Limits are imposed by locking the account.

STIG	Date
General Purpose Operating System Security Requirements Guide	2024-12-04

Details

Check Text (C-3823r375041_chk)

Verify the operating system automatically locks an account until the locked account is released by an administrator when three unsuccessful logon attempts in 15 minutes are made. If it does not, this is a finding.

Fix Text (F-3823r375042_fix)

Configure the operating system to automatically lock an account until the locked account is released by an administrator when three unsuccessful logon attempts in 15 minutes are made.