Suspicious Azure Keyvault Secrets Modified or Deleted (via activitylogs)

title: Suspicious Azure Keyvault Secrets Modified or Deleted (via activitylogs)
id: 53b00a7a-cee8-569c-87ad-21f9e5603ddf
status: stable
description: This rule detects when secrets are modified or deleted in Azure.
references:
    - https://attack.mitre.org/techniques/T1552/001/
    - https://attack.mitre.org/techniques/T1552/
    - https://learn.microsoft.com/en-us/azure/role-based-access-control/resource-provider-operations
author: Huntrule Team
date: 2026-01-19
tags:
    - attack.impact
    - attack.credential-access
    - attack.t1552
    - attack.t1552.001
logsource:
    product: azure
    service: activitylogs
detection:
    selection:
        operationName:
            - MICROSOFT.KEYVAULT/VAULTS/SECRETS/WRITE
            - MICROSOFT.KEYVAULT/VAULTS/SECRETS/DELETE
            - MICROSOFT.KEYVAULT/VAULTS/SECRETS/BACKUP/ACTION
            - MICROSOFT.KEYVAULT/VAULTS/SECRETS/PURGE/ACTION
            - MICROSOFT.KEYVAULT/VAULTS/SECRETS/UPDATE/ACTION
            - MICROSOFT.KEYVAULT/VAULTS/SECRETS/RECOVER/ACTION
            - MICROSOFT.KEYVAULT/VAULTS/SECRETS/RESTORE/ACTION
            - MICROSOFT.KEYVAULT/VAULTS/SECRETS/SETSECRET/ACTION
    condition: selection
falsepositives:
    - Unknown
level: medium