STIGhubSTIGhub
STIGsRMF ControlsCompare

STIGhub

A free tool to search and browse the entire DISA STIG library. Saves up to 75% in security compliance research time.

Navigation

  • Browse STIGs
  • Search
  • RMF Controls
  • Compare Versions

Resources

  • About
  • Release Notes
  • VPAT
  • DISA STIG Library
STIGs updated just now
Powered by Pylon
© 2026 Beacon Cloud Solutions, Inc. All rights reserved.
← Back to General Purpose Operating System Security Requirements Guide

V-203594

CAT II (Medium)

The operating system must enforce the limit of three consecutive invalid logon attempts by a user during a 15-minute time period.

Rule ID

SV-203594r958388_rule

STIG

General Purpose Operating System Security Requirements Guide

Version

V3R3

CCIs

CCI-000044

Discussion

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

Check Content

Verify that the operating system enforces the limit of three consecutive invalid logon attempts by a user during a 15-minute time period. If it does not, this is a finding.

Fix Text

Configure the operating system to enforce the limit of three consecutive invalid logon attempts by a user during a 15-minute time period.