What Is a Zero Day Attack? Vulnerabilities, Exploits, and Prevention Strategies

Monthly vulnerability disclosures have doubled in 2026 according to Google Threat Intelligence Group research, jumping from 5,045 in January to 10,740 in August – and vulnerability exploitation nearly doubled in the same period, with zero days making up 62% of all exploited vulnerabilities. While security teams struggle with unwieldy alert volumes, cyber attackers are growing speedier and stealthier, weaponizing AI to identify and exploit vulnerabilities at machine speed. Reactive…