key vault modifications 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. key vault modifications from unfamiliar users or hosts should be investigated. if known behavior is causing false positives, it can be exempted from the rule.

azure
elastic

Techniques

Sample rules

Azure Key Vault Modified

source: elastic
technicques:

Description

Identifies modifications to a Key Vault in Azure. The Key Vault is a service that safeguards encryption keys and secrets like certificates, connection strings, and passwords. Because this data is sensitive and business critical, access to key vaults should be secured to allow only authorized applications and users. This is a New Terms rule that detects when this activity hasn’t been seen by the user in a specified time frame.

Detection logic

event.dataset: "azure.activitylogs"
    and azure.activitylogs.operation_name: MICROSOFT.KEYVAULT/VAULTS/*
    and event.outcome:(Success or success)