MA
Muhammad AldiansyahBlue Team Defense Hub
Evidence-led defense

Linux Audit Telemetry

Observe identity, privilege, process, service, and sensitive-file activity across Linux systems.

On this page · 4 sections
01

Operating context

Linux monitoring combines authentication logs, audit records, systemd journal, application logs, and workload context. Rules must account for distribution and deployment differences.

  • Define the security decision that linux audit telemetry must support.
  • Assign accountable owners, escalation paths, service levels, and privacy boundaries.
  • Measure signal quality, response consistency, operational cost, and improvement over time.
02

Operational workflow

  1. 01

    Establish scope, dependencies, normal behavior, and a documented baseline.

  2. 02

    Collect the minimum telemetry and context needed for linux audit telemetry.

  3. 03

    Correlate independent signals and state confidence before taking disruptive action.

  4. 04

    Document the decision, evidence, containment or control action, and responsible owner.

  5. 05

    Review the outcome, tune the process, and validate the improvement with a safe test.

03

Signals, evidence & decisions

Signal or artifactDecision it supports
auditd and authentication recordsEstablish event sequence and affected scope.
service and process lifecycle eventsConfirm identity, asset, or control context.
package, configuration, and integrity changesSupport containment, recovery, or tuning.

Record source, timestamp, collection method, confidence, owner, and disposition. Preserve the smallest useful evidence set and document any uncertainty.

04

Implementation & improvement

  • Protect audit configuration and forwarding.
  • Map numeric identities to authoritative context.
  • Tune high-volume rules on representative workloads.

Official references

NIST SP 800-92 — Log ManagementMITRE ATT&CK Data Sources