Ontario Health (2025)
1.6M patient records compromised in ransomware incident
Every confirmed data breach we've indexed across 5500+ incidents from healthcare, finance, technology, government, retail, and education. Sourced from Verizon DBIR, public disclosure feeds, and major security news outlets. Updated automatically.
1.6M patient records compromised in ransomware incident
Employee and corporate data exposed in third-party service provider breach
3,864,364 records exposed — Email addresses, Profile photos, Usernames
350K M&A deal records exposed via compromised secure file sharing platform
Customer support case management system breached — HAR files with session tokens stolen
17,605,276 records exposed — Browser user agent details, Credit status information, Dates of birth, Email addresses and 6 more
65K student and research records exposed via targeted phishing of laboratory administrators
22,907 records exposed — Dates of birth, Email addresses, Names, Phone numbers and 2 more
Internal developer portal breached — source code, credentials, internal tools exposed
310K resident records exposed via compromised parking and transit payment systems
7,316,915 records exposed — Dates of birth, Email addresses, Loyalty program details, Names and 1 more
1.5M student records compromised
1.4M customer records from EV charging network exposed via API vulnerability
208K employee and business partner records stolen in ransomware attack on Japanese electronics firm
3,339,512 records exposed — Email addresses, Names, Usernames
1.5M resident records stolen in third-party vendor breach
620K customer records exposed via credential stuffing on My Best Buy rewards program
950K customer records exposed via compromised partner banking infrastructure
670K messaging records exposed in data exfiltration
720K patient records exposed via compromised patient portal API — lab results leaked
780K customer records exposed in phishing campaign
210K infrastructure secrets and deployment records compromised
150K student records exposed in targeted attack
890K member records compromised in targeted attack