STIGQter: STIG Summary: General Purpose Operating System Security Requirements Guide Version: 3 Release: 3 Benchmark Date: 28 Oct 2025:

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.

DISA Rule

SV-203698r958736_rule

Vulnerability Number

V-203698

Group Title

SRG-OS-000329

Rule Version

SRG-OS-000329-GPOS-00128

Severity

CAT II

CCI(s)

• CCI-002238 - Automatically lock the account or node for either an organization-defined time period, until the locked account or node is released by an administrator, or delays the next logon prompt according to the organization-defined delay algorithm when the maximum number of unsuccessful logon attempts is exceeded.

Weight

10

Fix Recommendation

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.

Check Contents

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.

Vulnerability Number

V-203698

Documentable

False

Rule Version

SRG-OS-000329-GPOS-00128

Severity Override Guidance

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.

Check Content Reference

M

Target Key

2895