Mexican Government
Hacker used Claude Code and ChatGPT to steal millions of records from 9 federal agencies (Dec 2025-Feb 2026)
Education Sector Data Breaches (355860 indexed)
Mexican Government (Nine Agencies)
Hacker exploited AI tools (Claude Code and OpenAI) to compromise nine federal agencies, affecting millions of records
Canada Goose
ShinyHunters leaked 600,000+ customer records via compromised third-party payment processor in February 2026
Canada Goose
600,000+ customer records leaked by ShinyHunters via third-party payment processor compromise
Ransomware attack disrupted patient record access and clinic operations for over a week
Ransomware attack disrupted patient record access and clinic operations for over a week
University of Pennsylvania
ShinyHunters leaked confidential donor records and internal GSE files
University of Pennsylvania
Cybercrime group ShinyHunters leaked confidential university and donor records
Ransomware attack shut down computer network, cancelled surgeries and clinics
Ransomware attack shut down computer network, cancelled surgeries and clinics
Canada Goose
ShinyHunters leaked 600,000+ customer transaction records allegedly from third-party payment processor
Mexican Government Agencies
Hacker exploited AI tools to breach 9 federal agencies, stealing millions of records Dec 2025-Feb 2026
Mexican Government Agencies
Nine federal agencies compromised by single hacker exploiting Claude Code and ChatGPT, millions of records stolen
University of Pennsylvania
ShinyHunters leaked confidential files including donor records and internal data
TriZetto
Healthcare software breach affecting 3+ million Americans through compromised platform access
Mexican Government Agencies
Nine federal agencies compromised by single hacker exploiting Claude Code and OpenAI, millions of records stolen
University of Pennsylvania
Cybercrime group ShinyHunters leaked confidential donor records and internal files
Mexican Government
Federal government breach affecting millions of records discovered late December 2025
University of Pennsylvania
Confidential donor records and internal files leaked by ShinyHunters cybercrime group
Canada Goose
ShinyHunters cybercriminal group leaked over 600,000 customer transaction records via third-party payment processor breach.
Exposed cloud database
Misconfigured database leaked 3 billion records including SSNs and plaintext passwords
Conduent
Ransomware attack on government contractor exposed 25+ million records from spillover incident
Ransomware attack brought down computer network; surgeries canceled and clinics closed
Ransomware attack brought down computer network; surgeries canceled and clinics closed
Conduent/Anthem
Data breach impacted some Anthem members; breach contained with no evidence of data misuse
Unknown (Compiled Credential Database)
149 million passwords exposed including 48 million Gmail accounts
University of Pennsylvania
ShinyHunters breach exposing confidential donor records and internal files