Canada Goose
600,000+ customer records leaked by ShinyHunters via third-party payment processor compromise
Education Sector Data Breaches (355854 indexed)
Ransomware attack shut down computer network; surgeries canceled and clinics closed
Ransomware attack shut down computer network; surgeries canceled and clinics closed
University of Pennsylvania
ShinyHunters leaked confidential files including donor records and antisemitism documents
Canada Goose
ShinyHunters leaked 600,000 customer records via third-party payment processor compromise
TriZetto
Healthcare tech provider breach affecting over 3 million Americans, first described by Oregon counties
Mexican Government Agencies
Nine federal agencies compromised via AI tools (Claude Code and ChatGPT); millions of records stolen Dec 2025-Feb 2026
Canada Goose
ShinyHunters leaked 600,000+ customer records via third-party payment processor
Mexican Government Agencies
Nine federal agencies compromised, millions of records stolen using AI tools between Dec 2025-Feb 2026
Mexican Government Agencies
9 Mexican federal agencies compromised between Dec 2025-Feb 2026 via hacker exploiting Claude Code and OpenAI platforms
Ransomware attack disabled computer network, cancelled surgeries and closed clinics
Ransomware attack disabled computer network, cancelled surgeries and closed clinics
Conduent
Ransomware attack on major government contractor exposed at least 25 million records of personal information
Mexican Government Agencies
Hacker exploited Claude Code and ChatGPT to breach 9 federal agencies; millions of records stolen
Conduent
Ransomware attack on major US government contractor exposed data affecting 25M+ people
Ransomware attack brought down computer network, canceled surgeries and closed clinics
Ransomware attack brought down computer network, canceled surgeries and closed clinics
Ransomware attack shut down computer network; surgeries canceled, clinics closed
Ransomware attack shut down computer network; surgeries canceled, clinics closed
Ransomware attack
Ransomware attack exposed data from Multiethnic Cohort Study including driver's license numbers and voter information
Mexican Government Agencies
Nine Mexican federal agencies breached by single hacker using Claude Code and OpenAI between Dec 2025-Feb 2026
Canada Goose
ShinyHunters leak exposed 600,000 customer records via third-party payment processor
University of Pennsylvania
ShinyHunters leaked confidential files including donor records and GSE internal documents
Ransomware attack
Ransomware attack exposed Multiethnic Cohort Study data including driver's license numbers and voter information
Ransomware attack
Ransomware attack leaked Multiethnic Cohort Study data including driver's license numbers and voter information
Ransomware attack brought down computer network, canceled surgeries and closed clinics
Ransomware attack brought down computer network, canceled surgeries and closed clinics
Ransomware attack brought down computer network; surgeries canceled and clinics closed
Ransomware attack brought down computer network; surgeries canceled and clinics closed
University of Pennsylvania
Cybercrime group ShinyHunters leaked confidential donor records and GSE internal files