Analytics BIOC Informational

Kubernetes service account activity outside the cluster

A service account user successfully invoked API calls outside the Kubernetes cluster.

Module:
Cortex Cloud
Licensed by:
Cloud Runtime Security (CRS)
Data source:
AWS Audit Log, Azure Audit Log, Gcp Audit Log, Kubernetes Audit Logs
ATT&CK tactics: Initial Access (TA0001)
ATT&CK techniques: Valid Accounts: Default Accounts (T1078.001)
Detector tags: Kubernetes - API
Attacker's goals:

Gain access to the Kubernetes cluster.

Investigative actions:

Determine which Kubernetes resources were accessed using the service account. Verify whether the service account token was exposed.

Test period:
N/A (single event)
Deduplication:
1 Day
2 variations:
  • Unusual Kubernetes service account activity outside the cluster Low (parent: Informational)
  • Kubernetes service account activity outside the cluster from non-cloud IP Low (parent: Informational)