Zero‑Day Attack Prevention: How to Prepare

This guide explains zero-day vulnerabilities and exploits, reviews notable historical incidents (Fortinet CVE-2023-27997, MOVEit, Log4j, Chrome V8, Zoom), and presents multi-layered prevention and response recommendations—asset inventory, defense-in-depth, advanced detection, network segmentation, third-party risk management, training, and testing—aimed at improving organizational resilience against zero-day threats.