University of Pennsylvania
ShinyHunters leaked confidential donor records and internal files including years of donor activity tracking
Healthcare Data Breaches (355852 indexed)
Mexican Government (9 agencies)
Single hacker exploited Claude Code and ChatGPT to breach 9 federal agencies; millions of records stolen Dec 2025-Feb 2026
Mexican Government Agencies
Hacker exploited Claude Code and ChatGPT to breach 9 federal agencies; millions of records stolen
Canada Goose
600,000+ customer transaction records allegedly stolen by ShinyHunters via third-party payment processor
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 by ShinyHunters via third-party payment processor compromise
Ransomware attack shut down computer network, canceled surgeries and closed clinics
Ransomware attack shut down computer network, canceled surgeries and closed clinics
FirstClass
Australian travel agency alleged data breach exposing customer records
Mexican Government Agencies
Nine federal agencies breached between Dec 2025-Feb 2026; hacker exploited Claude Code and OpenAI platforms
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
Unknown misconfigured database
3 billion records exposed including SSNs and plaintext passwords
Mexican Government Agencies
Nine Mexican federal agencies breached by single hacker using Claude Code and OpenAI between Dec 2025-Feb 2026
University of Pennsylvania
Confidential donor records and internal files leaked by ShinyHunters cybercrime group
Ransomware attack brought down computer network, causing surgeries to be canceled and
Ransomware attack brought down computer network, causing surgeries to be canceled and clinics closed
Ransomware attack brought down computer network, canceled surgeries and closed clinics
Ransomware attack brought down computer network, canceled surgeries and closed clinics
Mexican Government (9 agencies)
Single hacker exploited Claude Code and OpenAI ChatGPT to breach 9 federal agencies Dec 2025-Feb 2026
Canada Goose
600,000+ customer records leaked via third-party payment processor by ShinyHunters group
Mexican Government Agencies
9 federal agencies compromised via AI tools (Claude Code, ChatGPT), millions of records stolen
University of Pennsylvania
ShinyHunters cybercrime group leaked confidential files including donor records and internal documents
Ransomware attack brought down computer network, canceling surgeries and closing clinics
Ransomware attack brought down computer network, canceling surgeries and closing clinics
Conduent
Ransomware attack on government contractor exposed 25+ million people's data
Ransomware attack shut down computer network, surgeries canceled, clinics closed
Ransomware attack shut down computer network, surgeries canceled, clinics closed
Mexican Government
Nine federal agencies compromised; hacker exploited Claude Code and OpenAI's ChatGPT to steal millions of records
Conduent
Ransomware attack on government contractor exposed data affecting at least 25 million people