DentaQuest
15 million patient records stolen in largest healthcare data breach of 2026 (May incident)
Technology & Software Data Breaches (12536 indexed)
Canvas
Massive data breach affecting schools and universities nationwide; extortion attack
FirstClass
Australian travel agency; threat actor alleged customer records breach on underground hacking forums
Atrium Health Navicent
Patient records system experienced data breach potentially exposing patient records and personal information.
NYC Health + Hospitals
Hackers stole medical data, fingerprints, and biometric scans affecting 1.8 million people
Accenture
Data breach; 35GB of internal data stolen including source code and credentials
Tens of thousands of Queensland students and teachers affected in major education
Tens of thousands of Queensland students and teachers affected in major education technology data breach
CISA
Exposed GitHub repository with internal credentials and files
Queensland Education Technology
Major cyber breach affecting tens of thousands of Queensland students and teachers in education technology sector
Queensland Education Technology Provider
Major cyber breach exposing tens of thousands of Queensland students and teachers data
Instructure/Canvas
Ransomware attack resulted in data breach; apparent payment made to threat actors
Canvas (Instructure)
Data breach after ransomware attack; appears payment was made to threat actors
Huntsville Hospital Health System
Patient personal health information compromised in third-party vendor breach
7-Eleven
System storing franchise documents breached by ShinyHunters, data exposure confirmed
Partnered clinics (Australian)
Data breach exposed patients' medical records including Medicare numbers, treatment details and pathology results
Australian Schools
Significant education technology breach exposed tens of thousands of Queensland students and teachers
Fairlife (Coca-Cola)
Ransomware attack shut down dairy operations; data encrypted in attack
ANC
2 million private member records of African National Congress exposed by hacker group
Instructure (Canvas platform)
Supply chain breach driving 58% of all breach notices in 2026
Huntsville Hospital Health System
Third-party data breach exposed patient information at Huntsville Hospital facilities
Tribeca Festival
Data leak exposed hundreds of thousands of records including celebrity contact information
UC Berkeley Canvas/bCourses
ShinyHunters claimed to have stolen 600K records from UC Berkeley's learning management platform
Canvas/Instructure
ShinyHunters claimed breach exposing data of 275 million users from educational platform
Queensland Schools Education Technology
Major cyber breach affecting tens of thousands of Queensland students and teachers globally