Tri-Lab Operating System Stack (TOSS) 5 Security Technical Implementation Guide

The Tri-Lab Operating System Stack (TOSS) 5 Security Technical Implementation Guide (V1 R2) has 391 STIG checks. New to STIG checklists? Read What is a STIG checklist?, CKL vs CKLB, and STIG vs SCAP benchmark.

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Severity

Version

V1 · R2

CurrentPublished Wed Sep 30 2026

The TOSS 5 /etc/group file must be group-owned by root.

Tri-Lab Operating System Stack (TOSS) 5 Security Technical Implementation Guide

Assessment Title

Rule Text

The TOSS 5 /etc/group file must be group-owned by root.

Description

Discussion Text

The "/etc/group" file contains information regarding groups configured on the system. Protecting this file is critical for system security.

New to STIG checklists? Read What is a STIG checklist? and CKL vs CKLB.

Objective

V-282652

Rule

SV-282652r1200936_rule

Severity

medium

Rule Version

TOSS-05-000156

Documentable

false

IA Controls

NIST SP 800-53

Rev 5

Assessment Procedure

Check Text

Verify the group ownership of the "/etc/group" file using the following command:

$ sudo stat -c "%G %n" /etc/group 

root /etc/group

If "/etc/group" file does not have a group owner of "root", this is a finding.

Implementation Procedure

Fix Text

Change the group of the file "/etc/group" to "root" using the following command:

$ sudo chgrp root /etc/group

STIG check 278 of 391 in the Tri-Lab Operating System Stack (TOSS) 5 STIG checklist

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