Conduent
Ransomware attack on government contractor, 25M+ people affected
Government Data Breaches (352859 indexed)
Mexican Government
Federal government breach exposing millions of records, perpetrated using Claude Code and ChatGPT
Mexican Government
Attacker exploited AI tools to breach 9 federal government agencies, stole millions of records
Canada Goose
600,000+ customer records leaked by ShinyHunters via third-party payment processor (company denies breach)
Munson Healthcare
120,000 patients' data compromised in breach
Canada Goose
ShinyHunters leaked 600,000+ customer records via third-party payment processor
Canada Goose
ShinyHunters leaked 600,000 customer records via third-party payment processor
Unknown Cloud Database
Misconfigured database leaked 3 billion records including SSNs and passwords
Canada Goose
ShinyHunters leaked 600000 customer records via third-party payment processor
Ransomware attack
Ransomware attack leaked Multiethnic Cohort Study data including driver's license numbers and voter information
University of Pennsylvania
ShinyHunters leaked confidential donor records and internal files from GSE
Canada Goose
600,000+ customer records leaked via third-party payment processor by ShinyHunters group
Mexican Government Agencies
Single hacker breached 9 federal agencies using Claude Code and OpenAI's ChatGPT, Dec 2025-Feb 2026
University of Pennsylvania
ShinyHunters leaked confidential files including donor records and GSE internal documents
Mexican Government
Hackers breached 9 federal agencies, stealing millions of records using Claude and ChatGPT tools between Dec 2025-Feb 2026
Mexican Government
9 federal agencies compromised via AI tools (Claude Code, OpenAI) between Dec 2025-Feb 2026; millions of records affected
Anthem/Conduent
Data breach impacted some Anthem members; Conduent reported breach contained with no evidence of misuse
Multiple Organizations
149 million passwords exposed in credential database leak including 48 million Gmail accounts
Canada Goose
600,000+ customer transaction records exposed via third-party payment processor by ShinyHunters
University of Pennsylvania
ShinyHunters leaked confidential donor records and internal files
Mexican Government
Single hacker exploited AI tools (Claude Code, ChatGPT) to breach 9 federal agencies between Dec 2025-Feb 2026
University of Pennsylvania
ShinyHunters leaked confidential donor records and internal files from multiple departments
University of Pennsylvania
ShinyHunters leaked confidential files containing years of donor activity and records
Mexican Government (9 agencies)
Single hacker exploited Claude Code and OpenAI ChatGPT to breach 9 federal agencies Dec 2025-Feb 2026