Quarterly Threat Report: First Quarter, 2026

Beazley Security Labs recorded a 15% increase in critical zero-day advisories issued to clients in Q1 2026.

More than 15,200 new software vulnerabilities were disclosed in Q1 2026, including nearly 3,900 classified as high risk.

Compromised credentials accounted for 74% of ransomware intrusions observed by Beazley Security investigators in Q1 2026.

Vulnerabilities added to CISA's Known Exploited Vulnerabilities catalog increased 43% in Q1 2026 compared with Q4 2025.

Exploited vulnerabilities rose 43% in the first three months of 2026.