Here is how the security information and event management (SIEM) market is defined

The security information and event management (SIEM) market is defined by the customer's need to analyze event data in real time for the early detection of targeted attacks and data breaches, and to collect, store, analyze, investigate and report on event data for incident response, forensics and regulatory compliance.

Vendors are expandingtheir security portfolio offerings across machine learning, advanced behavior analytics and incident response.