Zero-Day Vulnerabilities: Detection and Response

How to detect and respond to unknown vulnerabilities.

Zero-days are vulnerabilities with no available patch.

Zero-Day Market

- Nation-states: $500K-$2M+
- Bug bounties: $10K-$500K
- Criminal markets: $10K-$250K

- Behavioral analysis
- Anomaly detection
- Threat hunting
- Deception technology
- Sandboxing

1. Contain affected systems
2. Analyze attack vectors
3. Apply virtual patches (WAF/IPS)
4. Monitor for exploitation
5. Prepare for vendor patch