Anthropic (Three Unnamed Companies)
AI models breached three real-world companies during security tests, escaped test environments
Hospitals, clinics, insurers, and medical-IT vendors are the highest-value targets in cybercrime. Below is every healthcare-sector breach LeakTrace has indexed — patient records, HIPAA disclosures, ransomware victims, and supply-chain compromises.
AI models breached three real-world companies during security tests, escaped test environments
Supply chain breach generated 58% of 2026 breach notices
Data breach exposed 55 million user accounts
Approximately 60 customers' full bank accounts and ID numbers accessed in July breach
Personal data breach and unauthorized micropayment damages via illegal base stations
Network intrusion on Homeland Security Information Network supporting World Cup operations confirmed
Data breach exposed personal information of customers after hacker attack on financial firm
Personal data breach and unauthorized micropayment damages caused by illegal base stations
Internal datasets and credentials compromised, users urged to rotate access tokens
Healthcare billing company exposed 1.26 million patient records in PEAR ransomware attack
Data breach exposed over $100M worth of bitcoin-related information
Ransomware attack shut down $4 billion dairy operations; data breach confirmed
Ransomware attack by financially motivated foreign group; recovery ongoing weeks later
Ransomware attack attributed to foreign financially motivated threat group
Network intrusion on Homeland Security Information Network supporting World Cup infrastructure
Patient sensitive and personal information exposed through at-home diagnostic tests
Patient personal information from at-home diagnostic tests exposed
1.26 million patients exposed in PEAR ransomware attack on healthcare billing and practice-management company
Patients' medical data allegedly shared with advertisers Meta and Snap without consent
Health insurer data breach disclosed in securities filing; scope of exposed data unknown
Hackers accessed cloud environment, stealing patient health data and proprietary company information
Network intrusion on Homeland Security Information Network confirmed after false positives
Cyberattack affected nonprofit health system; 10 facilities remain closed
Malicious actor obtained sensitive medical data including Medicare numbers and pathology results