Mexican Government (Nine Agencies)
Hacker exploited AI tools (Claude Code and OpenAI) to compromise nine federal agencies, affecting millions of records
2026 Data Breaches Year-to-Date (3100 indexed)
Ransomware attack shut down computer network, surgeries canceled, clinics closed
Ransomware attack shut down computer network, surgeries canceled, clinics closed
Ransomware attack on hospital network forced closure of clinics and cancellation of
Ransomware attack on hospital network forced closure of clinics and cancellation of surgeries
Tribeca Film Festival
Unprotected database exposed 666,000 records of Hollywood actors and directors with contact data, no encryption
University of Pennsylvania
ShinyHunters leaked confidential files including donor records and internal documents
Multiple organizations (Credential compilation)
149 million stolen passwords exposed publicly, including 48 million Gmail accounts
Anthem (Conduent)
Data breach impacts some Anthem members; Conduent reports breach is contained with no evidence of misuse
Ransomware attack affecting patient records, clinics offline for over a week
Ransomware attack affecting patient records, clinics offline for over a week
Malaysia Airlines
Claimed by Qilin ransomware group on leak site, though no proof or data samples provided
Ransomware attack disrupted access to patient records and clinical operations
Ransomware attack disrupted access to patient records and clinical operations
Anthem (Conduent)
Breach contained with no evidence of misuse; personal data exposed to some members
Ransomware attack shut down computer network; surgeries canceled, clinics closed
Ransomware attack shut down computer network; surgeries canceled, clinics closed
Munson Healthcare
120,000 patients' data compromised in data breach involving one of their service providers
Exposed database
Exposed database leaked 3 billion records including Social Security numbers and plaintext passwords
Ransomware attack
Ransomware attack exposed data from Multiethnic Cohort Study including driver's license numbers and voter information
Unknown Organization
Misconfigured cloud database exposed 3 billion records including SSNs and plaintext passwords
KT Corporation
Customer data breach; South Korea fined telco $39 million for personal information exposure
Ransomware attack shut down computer network, cancelled surgeries and clinics
Ransomware attack shut down computer network, cancelled surgeries and clinics
Multiple platforms
149 million stolen passwords exposed publicly including 48 million Gmail accounts
Mexican Government
Hacker exploited AI tools (Claude Code, ChatGPT) to breach 9 federal agencies; millions of records stolen
Mexican Government
Hacker exploited AI tools to breach 9 federal agencies between Dec 2025-Feb 2026
FirstClass Travel
Australian travel agency customer records allegedly compromised and posted on underground hacking forums
Conduent Business Services
Ransomware attack exposed data on more than 25 million individuals from government contractor
Multiple Organizations (Credential compilation)
Database containing 149 million stolen passwords including 48 million Gmail account credentials exposed