Definition
Log analysis is the process of examining computer-generated records, known as logs, to identify patterns, detect anomalies, and gain insights into system behavior. This involves collecting, storing, and analyzing log data from various sources like servers, applications, and network devices. It is crucial for troubleshooting issues, monitoring performance, and enhancing security by spotting suspicious activities. For instance, analyzing web server logs can reveal attempted brute force attacks against a website. Unlike simple log viewing, log analysis employs tools and techniques to derive meaningful information from raw data. This concept is fundamental in domains like IT Operations, Security Operations, and incident response, appearing on certifications such as CompTIA Security+ and CySA+.