Definition
Security Logging and Monitoring is the practice of collecting, analyzing, and reviewing records of system and network activities to detect and respond to security threats. It involves establishing systems that capture relevant events, such as access attempts, configuration changes, and error messages, and then actively watching these logs for suspicious patterns or anomalies. This process is crucial for identifying security incidents as they happen, understanding their scope, and enabling swift remediation to minimize damage. For instance, monitoring failed login attempts across multiple user accounts could indicate a brute force attack in progress. A common misconception is that simply collecting logs is sufficient. effective monitoring requires proactive analysis and alert configuration. This topic is fundamental to cybersecurity certifications like CompTIA Security+, CySA+, and CISSP.