How Can Network-Based Detection Help Stop Zero-Day Exploits?
Zero-day exploits rarely announce themselves. There is no public advisory yet. No CVE identifier. No detection signature sitting inside a rule library. The vulnerability exists quietly until someone discovers it and unfortunately attackers often discover it first. Once that happens, the exploit becomes a test of visibility. Attackers do not usually rush into environments using zero-days. They explore carefully. They check which systems respond. They observe how security tools behave.