Analytics Alerts

Browse the Cortex analytics alert reference.

Severity
Detection module
Data source
  • GCP logging sink deletion Informational Cloud 1 variation

    A GCP logging sink entity was deleted. Logs that match the logging sink rule will not arrive at their destination. An attacker might use this technique to evade detection.

    Activation:
    14 Days
    Training:
    30 Days
    Test:
    N/A (single event)
    Deduplication:
    5 Days
    ATT&CK tactics: Defense Evasion (TA0005)
    ATT&CK techniques: Impair Defenses (T1562) Impair Defenses: Disable or Modify Cloud Logs (T1562.008)
    Required data: Gcp Audit Log
    Detector tags: Cloud Log Tampering Analytics
    Attacker's goals: Evade detection by limiting collected data.
    Investigative actions: Identify the logs impacted by the deletion. Review cloud identity activity before and after the deletion.

    Variations

    GCP logging sink deletion

    Low overridden

    A GCP logging sink entity was deleted. Logs that match the logging sink rule will not arrive at their destination. An attacker might use this technique to evade detection. overridden