Performance Optimization and Maintenance in SIEM by understanding how to ensure stable and efficient security monitoring systems. This training covers techniques for improving performance through log processing optimization, alert tuning, and query refinement. It explains how regular maintenance helps prevent system slowdowns, reduce errors, and maintain consistent threat detection capabilities. You will learn how to monitor system health, manage storage usage, and resolve performance bottlenecks in SIEM environments. The course also covers infrastructure upkeep, indexing strategies, capacity planning, and troubleshooting methods for operational issues. It focuses on maintaining reliable and high-performing SIEM systems for continuous cybersecurity monitoring.