Analytics BIOC Medium

A Kubernetes API operation was successfully invoked by an anonymous user

An unauthenticated user successfully invoked API calls within 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 initial access to a Kubernetes cluster.

Investigative actions:

Determine which resources were accessed anonymously. Verify whether the affected resource should be accessed by unauthenticated users.

Test period:
N/A (single event)
Deduplication:
5 Days
1 variation:
  • A Kubernetes API operation was successfully invoked by an anonymous user outside the cluster High (parent: Medium)