Activity Log – Azure’s platform activity log.
Azure Activity Log provides a comprehensive view of subscription-level events occurring in Azure. It records operations on resources from both control plane and data plane, including who performed what action and when. The service features integration with Azure Monitor for analytics, supports custom queries through Log Analytics, and enables real-time event streaming. Activity Log includes retention policies for compliance, supports routing to multiple destinations (Storage Account, Event Hubs, Log Analytics), and provides detailed schema for event categories. It enables cross-subscription monitoring and supports automated responses through Azure Logic Apps.