STIGQter: STIG Summary: Tri-Lab Operating System Stack (TOSS) 5 Security Technical Implementation Guide Version: 1 Release: 1 Benchmark Date: 26 Mar 2026:

TOSS 5 must enforce a delay of at least four seconds between logon prompts following a failed logon attempt.

DISA Rule

SV-282619r1200837_rule

Vulnerability Number

V-282619

Group Title

SRG-OS-000480-GPOS-00226

Rule Version

TOSS-05-000315

Severity

CAT II

CCI(s)

• CCI-000366 - Implement the security configuration settings.

Weight

10

Fix Recommendation

Configure the TOSS 5 to enforce a delay of at least four seconds between logon prompts following a failed console logon attempt.

Modify the "/etc/login.defs" file to set the "FAIL_DELAY" parameter to 4 or greater:

FAIL_DELAY 4

Check Contents

Verify TOSS 5 enforces a delay of at least four seconds between console logon prompts following a failed logon attempt using the following command:

$ grep -i fail_delay /etc/login.defs

FAIL_DELAY 4

If the value of "FAIL_DELAY" is not set to "4" or greater or the line is commented out, this is a finding.

Vulnerability Number

V-282619

Documentable

False

Rule Version

TOSS-05-000315

Severity Override Guidance

Verify TOSS 5 enforces a delay of at least four seconds between console logon prompts following a failed logon attempt using the following command:

$ grep -i fail_delay /etc/login.defs

FAIL_DELAY 4

If the value of "FAIL_DELAY" is not set to "4" or greater or the line is commented out, this is a finding.

Check Content Reference

M

Target Key

5738