🕵️‍♂️ 5 Free Zero-Day Trackers Every CISO Needs Handy 🕵️‍♂️

Zero-days remain one of the biggest blind spots for security teams. Staying ahead means knowing where to track active vulnerabilities before they hit mainstream feeds. Here are 5 free resources every CISO should keep in their toolkit:

1️⃣ CISA Known Exploited Vulnerabilities (KEV) Catalog – Actively exploited vulnerabilities updated continuously.
https://www.cisa.gov/known-exploited-vulnerabilities-catalog

2️⃣ MITRE CVE Database – The definitive catalog of vulnerabilities, including emerging zero-days.
https://cve.mitre.org/

3️⃣ Google Project Zero – Research group uncovering and publishing zero-day findings.
https://googleprojectzero.blogspot.com/

4️⃣ ZDI (Zero Day Initiative) – Public advisories on discovered and responsibly disclosed zero-days.
https://www.zerodayinitiative.com/advisories/published/

5️⃣ Exploit Database (OffSec) – Community-driven database tracking zero-day exploits and proof-of-concepts.
https://www.exploit-db.com/

⚡ These trackers won’t stop attacks alone, but they give CISOs the visibility to patch fast, prioritize risks, and brief leadership with confidence.

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#ZeroDay #CISO #CyberSecurity #VulnerabilityManagement #AUMINT