Azure Kubernetes Events Deleted

calendar Apr 28, 2026 · attack.defense-impairment attack.t1685  ·
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Detects when Events are deleted in Azure Kubernetes. An adversary may delete events in Azure Kubernetes in an attempt to evade detection.

Sigma rule (View on GitHub)

 1title: Azure Kubernetes Events Deleted
 2id: 225d8b09-e714-479c-a0e4-55e6f29adf35
 3status: test
 4description: Detects when Events are deleted in Azure Kubernetes. An adversary may delete events in Azure Kubernetes in an attempt to evade detection.
 5references:
 6    - https://learn.microsoft.com/en-us/azure/role-based-access-control/resource-provider-operations#microsoftkubernetes
 7    - https://github.com/elastic/detection-rules/blob/da3852b681cf1a33898b1535892eab1f3a76177a/rules/integrations/azure/defense_evasion_kubernetes_events_deleted.toml
 8author: Austin Songer @austinsonger
 9date: 2021-07-24
10modified: 2022-08-23
11tags:
12    - attack.defense-impairment
13    - attack.t1685
14logsource:
15    product: azure
16    service: activitylogs
17detection:
18    selection:
19        operationName: MICROSOFT.KUBERNETES/CONNECTEDCLUSTERS/EVENTS.K8S.IO/EVENTS/DELETE
20    condition: selection
21falsepositives:
22    - Event deletions may be done by a system or network administrator. Verify whether the username, hostname, and/or resource name should be making changes in your environment. Events deletions from unfamiliar users or hosts should be investigated. If known behavior is causing false positives, it can be exempted from the rule.
23level: medium

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