Mexican Government
Nine federal agencies compromised via Claude Code and ChatGPT, millions of records stolen
Education Sector Data Breaches (353766 indexed)
Mexican Government
Federal government breach between late December 2025 and mid-February 2026; millions of records affected
Canada Goose
ShinyHunters leaked over 600,000 customer records via third-party payment processor
Anthem
Data breach via Conduent affecting some Anthem insurance members
Multiethnic Cohort Study data including driver's license numbers and voter registration
Multiethnic Cohort Study data including driver's license numbers and voter registration exposed in ransomware attack
University of Pennsylvania
ShinyHunters leaked confidential donor records and GSE internal files
Mexican Government Agencies
Nine federal agencies compromised; hacker exploited AI tools (Claude Code, ChatGPT) to steal millions of records
Multiple (Credential Database)
149 million passwords exposed including 48 million Gmail accounts in publicly exposed database
TriZetto
Healthcare software breach affecting 3+ million Americans through compromised platform access
University of Pennsylvania
ShinyHunters leaked confidential donor records and internal files from GSE
Munson Healthcare
120,000 patients' data compromised in breach involving third-party vendor
Mexican Government
Hacker exploited AI tools to breach 9 federal government agencies between Dec 2025-Feb 2026, stole millions of records
Canada Goose
ShinyHunters leaked 600,000+ customer transaction records from third-party payment processor in February 2026
Multiple organizations (Credential compilation)
149 million stolen passwords exposed publicly, including 48 million Gmail accounts
Canada Goose
ShinyHunters leaked 600,000 customer transaction records; data sourced from third-party payment processor
Conduent
Ransomware attack on government contractor exposed at least 25 million records
Mexican Government Agencies
Single hacker breached 9 federal agencies using Claude Code and OpenAI's ChatGPT, Dec 2025-Feb 2026
TriZetto
Health insurance tech provider breach affected more than 3 million Americans from 2024 incident
Credential Database (Unknown Source)
149 million stolen passwords publicly exposed, including 48 million Gmail accounts
Conduent/Anthem
Data breach impacted some Anthem members; breach contained with no evidence of misuse or public release
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
Mexican Government Agencies
9 federal agencies breached by single hacker exploiting AI tools (Claude Code, ChatGPT) Dec 2025-Feb 2026
Conduent
25+ million people's personal data stolen from printing/payment/document services company