Blue Cross-Blue Shield
Massive data breach; company allegedly knew about breach and delayed reporting
2026 continues the year-over-year growth trend in confirmed disclosures. The list below updates as new breaches are reported by Verizon DBIR partners and major security news outlets.
Massive data breach; company allegedly knew about breach and delayed reporting
135K law enforcement records leaked on dark web
28.65 million hardcoded secrets added to public GitHub repositories in 2025
24B stolen credentials exposed in open database
Medical business management company data breach affecting 1.2 million individuals with personal information exposed
Data exfiltration threatened by Helix ransomware
Thousands of patient records stolen in ransomware attack affecting NHS trust
100K+ police officer contact records exposed
Ransomware attack with data deletion confirmation received from ransomware gang
19M medical records stolen in cyberattack
434K CI/CD pipelines hit, 2500+ orgs exposed
19M patient records stolen from medical platform
135K police officer contact records leaked
2M resident records leaked by threat actor
24B credential records publicly exposed online
24B stolen credentials exposed in open database
24B stolen credentials publicly exposed
1,596,490 records exposed — Email addresses, Names, Phone numbers, Physical addresses
100K+ police and government contacts leaked
135K law enforcement contact records exfiltrated
Data breach exposed personal information from WellPoint Texas health insurance operations
Data breach impacted over 10.5 million individuals with customer personal information exposed in 2024 incident
19M patient records stolen from 12K clinics