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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.

Overview

Finding IDVersionRule IDIA ControlsSeverity
V-254864TANS-OS-001040SV-254864r958758_ruleCCI-001858medium
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 a real-time alert, security personnel may be unaware of an impending failure of the audit capability and system operation may be adversely affected. Alerts provide organizations with urgent messages. Real-time alerts provide these messages immediately (i.e., the time from event detection to alert occurs in seconds or less).
STIGDate
Tanium 7.x Operating System on TanOS Security Technical Implementation Guide2025-02-11

Related Frameworks

1 mapping across 3 frameworks
SCF0 mappings

No source states a mapping between these directly.

Also reachable in 3 hops (1) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

MON-05.1Real-Time Alerts of Event Logging Failure
0.50
NIST 800-530 mappings

No source states a mapping between these directly.

Also reachable in 2 hops (22) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

AC-2(4)Automated Audit Actions
1.00
AU-12Audit Record Generation
1.00
AU-14(1)System Start-up
1.00
AU-3Content of Audit Records
1.00
AU-3(1)Additional Audit Information
1.00
AU-4Audit Log Storage Capacity
1.00
AU-4(1)Transfer to Alternate Storage
1.00
AU-5Response to Audit Logging Process Failures
1.00
AU-5(1)Storage Capacity Warning
1.00
AU-5(2)Real-time Alerts
1.00

+12 more (top 10 by confidence shown)

CCI1 mapping
CCI-001858
1.00

Details

Check Text (C-254864r958758_chk)

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.

Fix Text (F-58421r866132_fix)

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.