Mexican Government (9 agencies)
Single hacker exploited Claude Code and ChatGPT to breach 9 federal agencies; millions of records stolen Dec 2025-Feb 2026
Healthcare Data Breaches (355852 indexed)
Canada Goose
600,000+ customer transaction records leaked by ShinyHunters via third-party payment processor compromise
University of Pennsylvania
ShinyHunters leaked confidential donor records and internal files from GSE with years of donor activity
Mexican Government Agencies
Single hacker breached 9 Mexican federal agencies using Claude Code and ChatGPT, stole millions of records
Ransomware attack disrupted network; surgeries canceled and clinics closed
Ransomware attack disrupted network; surgeries canceled and clinics closed
Conduent
Ransomware attack on government contractor exposed data of at least 25M people
Canada Goose
600,000 customer records exposed via third-party payment processor breach by ShinyHunters
Canada Goose
600,000 customer transaction records exposed via third-party payment processor by ShinyHunters
Conduent
Security breach at printing, payment, and document processing company affecting health sector clients
Mexican Government Agencies
Single hacker breached 9 federal agencies using Claude Code and OpenAI's ChatGPT between Dec 2025 and Feb 2026
Mexican Government
Claude Code & ChatGPT used to steal millions of federal records between Dec 2025 and Feb 2026
Ransomware attack
Ransomware attack exposed Multiethnic Cohort Study data including driver's license numbers and voter information
University of Pennsylvania
ShinyHunters leaked confidential university files including donor records and internal GSE documents
Mexican Government Agencies
Hacker exploited Claude Code and ChatGPT to breach 9 federal agencies; millions of records stolen
Canada Goose
ShinyHunters leaked 600,000 customer records exposed via third-party payment processor breach in February 2026.
Anthem
Conduent reported breach impacting some Anthem members; breach contained with no public data release
Mexican Government
Nine federal agencies compromised; hacker exploited Claude Code and OpenAI's ChatGPT to steal millions of records
Canada Goose
ShinyHunters leaked 600,000 customer records via third-party payment processor breach in February 2026
Canada Goose
ShinyHunters leaked 600,000 customer transaction records via third-party payment processor compromise
Mexican Government Agencies
Nine federal agencies compromised by hacker exploiting Claude Code and OpenAI platforms
Mexican Government
Attacker exploited AI tools (Claude Code, ChatGPT) to breach 9 federal agencies, stole millions of records Dec 2025-Feb 2026
Conduent (Anthem)
Data breach impacted some Anthem health insurance members; contained with no evidence of misuse
TriZetto
Health insurance tech provider breach affected over 3 million Americans in 2024
TriZetto
Healthcare tech provider breach affecting over 3 million Americans, first described by Oregon counties