What’s a Zero-Day Vulnerability? Prevent Exploits and Attacks

This blog post explains zero-day vulnerabilities and exploits, gives notable real-world examples (Log4Shell, Exchange/ProxyLogon, Chrome zero-days, Barracuda Email Security Gateway, MOVEit), and recommends defensive measures—vulnerability scanning, patch management, attack surface management, threat intelligence, and employee training—while promoting Legit Security’s platform for visibility and remediation.