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Tanium must alert the ISSO and SA (at a minimum) in the event of an audit processing failure.


Overview

Finding ID Version Rule ID IA Controls Severity
V-78623 TANS-CN-000016 SV-93329r1_rule Medium
Description
It is critical for the appropriate personnel to be aware if a system is at risk of failing to process audit logs as required. Without this notification, the security personnel may be unaware of an impending failure of the audit capability and system operation may be adversely affected. Audit processing failures include software/hardware errors, failures in the audit capturing mechanisms, and audit storage capacity being reached or exceeded. This requirement applies to each audit data storage repository (i.e., distinct information system component where audit records are stored), the centralized audit storage capacity of organizations (i.e., all audit data storage repositories combined), or both.
STIG Date
Tanium 7.0 Security Technical Implementation Guide 2018-07-09

Details

Check Text ( C-78193r2_chk )
Using a web browser on a system that has connectivity to Tanium, access the Tanium web user interface (UI) and log on with CAC.

Click on the navigation button (hamburger menu) on the top left of the console.

Click on "Connect".

Review the configured Sources.

If no "Sources" exists to send audit logs from the Tanium SQL Server to a SIEM tool, this is a finding.

Work with the SIEM administrator to determine if an alert is configured when audit data is no longer received as expected.

If there is no alert configured, this is a finding.
Fix Text (F-85359r1_fix)
Using a web browser on a system that has connectivity to Tanium, access the Tanium web UI and log on with CAC.

Click on the navigation button (hamburger menu) on the top left of the console.

Click on "Connect".

Configure a "Sources" to send audit logs from the Tanium SQL Server to a SIEM tool.

Work with the SIEM administrator to configure an alert when no audit data is received from Tanium based on the defined schedule of connections.