STIGUI
V-254848CAT II — Medium severitySV-254848r1268601_rule

The Tanium Operating System (TanOS) must use multifactor authentication for network access to nonprivileged accounts.

Rule version TANS-OS-000330 · STIG v2 · 2026-08-31

Discussion

To assure accountability and prevent unauthenticated access, nonprivileged users must utilize multifactor authentication to prevent potential misuse and compromise of the system.

Multifactor authentication uses two or more factors to achieve authentication.

Factors include:(i) Something you know (e.g., password/PIN); (ii) Something you have (e.g., cryptographic identification device, token); or (iii) Something you are (e.g., biometric).

A nonprivileged account is any information system account with authorizations of a nonprivileged user.

Network access is any access to an application by a user (or process acting on behalf of a user) where said access is obtained through a network connection.

The DoW CAC with DoW-approved PKI is an example of multifactor authentication.

Check

1. Sign in to the TanOS console as a user with the tanadmin role.

2. Enter "C" to go to the "User Administration" menu.

3. Enter "M" to go to the "Multi-Factor Global Settings" menu.

4. If the status shows "Multi-Factor: Optional", this is a finding.

Fix

1. Sign in to the TanOS console as a user with the tanadmin role.

2. Enter "C" to go to the "User Administration" menu.

3. Enter "M" to go to the "Multi-Factor Global Settings" menu.

4. Enter "M" to "Require Multi-Factor Authentication".

5. Enter "E" to "Enable Require Multi-factor Authentication".

Identifiers

Group ID
V-254848
Group title
SRG-OS-000106
Rule ID
SV-254848r1268601_rule
Check ID
C-58461r866083_chk
Fix ID
F-58405r866084_fix