Ransomware attack on hospital network caused surgeries to be canceled and clinics closed
Ransomware attack on hospital network caused surgeries to be canceled and clinics closed
Healthcare Data Breaches (357581 indexed)
Exposed cloud database
Misconfigured database leaked 3 billion records including SSNs and plaintext passwords
Canada Goose
600,000+ customer records leaked via third-party payment processor by ShinyHunters
Multiple Organizations
149 million passwords exposed in credential database leak including 48 million Gmail accounts
Mexican Government Agencies
Nine federal agencies breached using AI tools (Claude Code, ChatGPT); millions of records stolen
Mexican Government Agencies
9 federal agencies compromised via AI tools (Claude Code, ChatGPT), millions of records stolen
Ransomware attack brought down computer network; surgeries canceled and clinics closed
Ransomware attack brought down computer network; surgeries canceled and clinics closed
Mexican Government (9 agencies)
Single hacker exploited Claude Code and OpenAI ChatGPT to breach 9 federal agencies Dec 2025-Feb 2026
Ransomware attack shut down computer network, cancelled surgeries and clinics
Ransomware attack shut down computer network, cancelled surgeries and clinics
Mexican Government Agencies
Single hacker breached 9 federal agencies using Claude Code and OpenAI's ChatGPT between Dec 2025 and Feb 2026
University of Pennsylvania
ShinyHunters cybercrime group leaked confidential donor records and internal files including antisemitism documents
Canada Goose
600,000+ customer records leaked by ShinyHunters via third-party payment processor compromise
Mexican Government
Nine government agencies breached via AI tools (Claude Code, ChatGPT) between Dec 2025-Feb 2026, millions of records exposed
Canada Goose
600,000+ customer records leaked via third-party payment processor by ShinyHunters group
Ransomware attack
Ransomware attack leaked Multiethnic Cohort Study data including driver's license numbers and voter information
University of Pennsylvania
ShinyHunters released confidential files containing years of donor activity records
University of Pennsylvania
ShinyHunters cybercrime group leaked confidential university files including donor records and internal documents
Conduent
Ransomware attack on government contractor exposing at least 25 million people's data
Huntsville Hospital Health System
Patient data compromised through third-party breach affecting multiple facilities
TriZetto
Healthcare tech provider breach affecting over 3 million Americans, first described by Oregon counties
Ransomware attack
Ransomware attack exposed Multiethnic Cohort Study data including driver license numbers and voter registration
Ransomware attack brought down computer network, canceled surgeries and closed clinics
Ransomware attack brought down computer network, canceled surgeries and closed clinics
University of Pennsylvania
ShinyHunters leaked confidential donor records and internal files including years of donor activity tracking
University of Pennsylvania
ShinyHunters leaked confidential files including donor records and antisemitism documents