In simple terms SIEM is a tools / solution that collects, aggregates, classifies and analyzes logs from variety of sources. This data is then used to identify, investigate and report security threats. Its also used to comply with security regulations.
The tool or solution usually incorporates the below features
- Log Collection: Gathering logs and event data from various sources across the IT environment.
- Normalization: Standardizing the format of log data to facilitate analysis and correlation.
- Correlation and Analysis: Identifying patterns, anomalies, and potential threats through advanced analytics.
- Alerting and Notifications: Sending alerts to security teams when suspicious activities are detected.
- Incident Response: Providing tools for investigating and responding to security incidents.
- Compliance Reporting: Generating reports to meet regulatory requirements and security standards.
By centralizing security-related data and enabling real-time analysis, companies / teams detect, respond and mitigate security incidents more efficiently.
Gartner publishes Magic Quadrant which reports on the players, visionaries, challengers and leaders in the SIEM fields every year.
