Marquis
Ransomware attack stole banking customer data including personal information and financial records from dozens of US banks and credit unions
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.
Ransomware attack stole banking customer data including personal information and financial records from dozens of US banks and credit unions
Nine federal agencies breached via AI tools (Claude Code and ChatGPT); millions of records stolen
Data breach affecting fintech company with impact on millions of users
Leaked private GitHub token exposed internal systems and private repositories for over a year
Ransomware attack stole 788,000 financial records including names, addresses, card numbers
5.5 million customer, employee, and corporate records allegedly stolen and offered for sale
Data breach exposing Horizon IT scandal victims' information; preventable breach reprimanded by ICO
Ransomware attack exposing 788,000 financial records and banking customer sensitive data
Data breach affecting Horizon IT scandal victims ruled 'entirely preventable' by ICO
Data breach of Horizon IT scandal victims; entirely preventable breach reprimanded by ICO
Massive data leak exposed customer information; ordered to pay $67 per affected user in compensation
Leaked GitHub token exposed private repositories and internal systems for a year
Data breach affecting Horizon IT scandal victims; reprimanded by UK ICO as 'entirely preventable'
Loyalty program data breach disclosed December 3, 2025, affecting customers
Data breach; company settled with FTC and agreed to implement security program and delete unnecessary data
Data breach affecting approximately 10 million car dealership service customers
Ransomware attack stole names, addresses, card numbers and sensitive data from 788,000 financial records
Data breach affecting approximately 10 million individuals with financial information
Exposed private GitHub token gave unauthorized write access to internal systems for one year
Data breach exposed 788,000 financial records affecting bank and credit union customers through unauthorized access
Car dealership services data breach affecting personal and financial information
2000+ cryptocurrency wallets drained; incident disclosed December 2025
Data breach at Wisconsin edtech company, settled with FTC
Massive data leak exposing customer records; state consumer agency ordered $67 per user compensation