In today’s threat landscape, understanding and monitoring Windows authentication events is crucial for detecting and responding to security incidents. Authentication serves as the first line of defense in most environments, making it a prime target for attackers and a critical monitoring point for defenders.

This comprehensive guide presents a practical checklist for security professionals working with SIEMs (Security Information and Event Management) systems. The taxonomy used here aligns Windows event logs with investigative workflows, mixing MITRE ATT&CK tactics, Cyber Kill Chain phases, and operational buckets that are essential for effective defense.

Authentication monitoring forms the backbone of any robust security monitoring program. By understanding the nuances of Windows logon events, security teams can quickly identify suspicious activities, from brute force attacks to sophisticated lateral movement attempts.

Core Authentication Events