Ransomware attack shut down computer network, canceled surgeries and closed clinics
Ransomware attack shut down computer network, canceled surgeries and closed clinics
Healthcare Data Breaches (354480 indexed)
Anthem/Conduent
Breach impacted some Anthem members; contained with no evidence of misuse or public release
TriZetto
Healthcare tech provider breach affecting over 3 million Americans, first described by Oregon counties
University of Pennsylvania
Cybercrime group ShinyHunters leaked confidential donor records and GSE internal files
University of Pennsylvania
ShinyHunters leaked confidential files including donor records and antisemitism documents
Canada Goose
600,000+ customer transaction records exposed via third-party payment processor (ShinyHunters)
Mexican Government Agencies
Hacker exploited Claude Code and ChatGPT to breach 9 federal agencies; millions of records stolen
Mexican Government Agencies
Single hacker exploited AI tools (Claude Code, ChatGPT) to breach 9 federal agencies, Dec 2025-Feb 2026
Canada Goose
600,000 customer records exposed via third-party payment processor by ShinyHunters
Mexican Government (9 agencies)
Single hacker exploited Claude Code and ChatGPT to breach 9 federal agencies; millions of records stolen Dec 2025-Feb 2026
Huntsville Hospital Health System
Patient data compromised through third-party breach affecting multiple facilities
Ransomware attack disabled computer network; surgeries canceled and clinics closed
Ransomware attack disabled computer network; surgeries canceled and clinics closed
Mexican Government Agencies
Nine federal agencies compromised via AI tools (Claude Code and ChatGPT); millions of records stolen Dec 2025-Feb 2026
Mexican Government
Nine government agencies breached via AI tools (Claude Code, ChatGPT) between Dec 2025-Feb 2026, millions of records exposed
Unknown Cloud Database
Misconfigured database exposed 3 billion records including SSNs and passwords
Canada Goose
ShinyHunters leaked 600,000+ customer records from third-party payment processor
Mexican Government
Single hacker exploited Claude Code and ChatGPT to breach 9 federal agencies Dec 2025-Feb 2026
Exposed cloud database
Misconfigured database leaked 3 billion records including SSNs and plaintext passwords
Ransomware attack
Ransomware attack exposed Multiethnic Cohort Study data including driver's license numbers and voter information
Ransomware attack brought down computer network; surgeries canceled, clinics closed
Ransomware attack brought down computer network; surgeries canceled, clinics closed
University of Pennsylvania
ShinyHunters released confidential files including donor records and internal documents
Canada Goose
600,000+ customer records leaked by ShinyHunters via third-party payment processor (company denies breach)
Conduent/Anthem
Data breach impacted some Anthem members; breach contained with no evidence of data misuse
Mexican Government Agencies
Single hacker using AI tools (Claude Code, ChatGPT) breached 9 federal agencies, stealing millions of records