What is Azure Sentinel, and how does it provide intelligent security information and event management (SIEM)? Azure Sentinel is Microsoft's cloud-native security information and event management (SIEM) solution that provides intelligent and centralized security monitoring, threat detection, and response capabilities. It's designed to help organizations detect, investigate, and respond to security threats and incidents in a scalable and efficient manner. Azure Sentinel leverages the power of the cloud to collect, analyze, and act on security data from various sources, providing a comprehensive view of an organization's security posture.