STIGQter: STIG Summary: Tanium 7.x Operating System on TanOS Security Technical Implementation Guide Version: 2 Release: 2 Benchmark Date: 02 Apr 2025:

The Tanium operating system (TanOS) must provide an immediate real-time alert to the SA and ISSO, at a minimum, of all audit failure events requiring real-time alerts.

DISA Rule

SV-254864r958758_rule

Vulnerability Number

V-254864

Group Title

SRG-OS-000344

Rule Version

TANS-OS-001040

Severity

CAT II

CCI(s)

CCI-001858 - Provide an alert in an organization-defined real-time-period to organization-defined personnel, roles, and/or locations when organization-defined audit failure events requiring real-time alerts occur.

Weight

Fix Recommendation

1. Access the TanOS interactively.

2. Press "A" for "Appliance Configuration Menu," and then press "Enter".

3. Press "4" for "Syslog Configuration," and then press "Enter".

4. Press "5" for "Configure syslog forwarding," and then press "Enter".

5. Enter the destination host (IP address or hostname) provided by the SIEM administrator, and then press "Enter".

6. Enter the destination port number and press "Enter".

7. If TLS is required for this syslog destination, enter "Yes", otherwise enter "No", and press "Enter".

8. Enter the destination protocol, "udp" or "tcp", and press "Enter".

9. Work with the SIEM administrator to validate events are being received, and to configure notifications for audit failure events.

Check Contents

1. Access the TanOS interactively.

2. Press "A" for "Appliance Configuration Menu," and then press "Enter".

3. Press "4" for "Syslog Configuration," and then press "Enter".

4. Press "1" for "Check current status," and then press "Enter".

If the syslog status page states "No existing TanOS syslog forwarding configuration found" this is a finding.

If the syslog status page states "Syslog forwarding configuration" and the SIEM administrator verifies SIEM is receiving the events correctly and generating notifications for audit failure events, this is not a finding.

Vulnerability Number

V-254864

Documentable

False

Rule Version

TANS-OS-001040

Severity Override Guidance

1. Access the TanOS interactively.

2. Press "A" for "Appliance Configuration Menu," and then press "Enter".

3. Press "4" for "Syslog Configuration," and then press "Enter".

4. Press "1" for "Check current status," and then press "Enter".

If the syslog status page states "No existing TanOS syslog forwarding configuration found" this is a finding.

If the syslog status page states "Syslog forwarding configuration" and the SIEM administrator verifies SIEM is receiving the events correctly and generating notifications for audit failure events, this is not a finding.

Check Content Reference

Target Key

5491