One of the harshest realities of the cybersecurity world is that preventive measures, no matter how advanced, cannot entirely stop every attack from intruding your network. Time after time, security incidents on highly protected infrastructures have confirmed the need for a full time incident monitoring and response program, in other words, a security information and event management (SIEM) solution. SIEM functions as a single window for the security of your entire network— it brings logs together into a centralized location and restructures them into digestible format for examination.
However, it's really not that simple. There are multiple factors that need to be considered before implementing or purchasing a SIEM solution.