Analytics Alerts

Browse the Cortex analytics alert reference.

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1 alert match the current filters.

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  • AWS network ACL rule deletion Informational Cloud

    An AWS network ACL rule was deleted.

    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)
    Required data: AWS Audit Log
    Attacker's goals: Deleting an ingress rule may allow an attacker to gain persistence in the cloud environment. Deleting an egress rule may enable data exfiltration.
    Investigative actions: Identify which VPC and associated resources are affected. Check the rule number, as ACL rules are evaluated in order. Determine whether the rule is ingress or egress.