700Credit
Car dealership services provider data breach affecting nearly 20 million individuals
Education Sector Data Breaches (335030 indexed)
TransUnion
Banking data breach, among seven largest in 2025
SK Telecom
Massive data leak resulting in South Korea consumer agency ordering €67 compensation per user
Marquis Software Solutions
Ransomware attack exposed 788K financial records and sensitive banking data
Marquis Software Solutions
Ransomware attack stole 788,000 financial records including names, addresses, and card numbers from banking customers
Prosper Marketplace
Data breach affected millions in fintech company; 20 million total across multiple institutions
Illuminate Education
Edtech company data breach led to FTC settlement requiring security program implementation
Marquis Software Solutions
Data breach exposed over 780,000 financial records of bank and credit union customers
Coupang
Data breach exposed 33.7 million customer accounts' personal information in South Korea
Post Office Limited
Data breach exposing names of wrongfully convicted Horizon IT scandal victims
Marquis
Ransomware attack stole banking customer data containing personal information and financial records from dozens of US banks and credit unions
Prosper Marketplace
Fintech company data breach affecting approximately 10 million records
Network breach
Network breach exposed sensitive healthcare billing data for 1.26 million people
Prosper Marketplace
Fintech company data breach affecting approximately 20 million records
Illuminate Education
Data breach leading to FTC settlement and security program implementation
SK Telecom
Massive data leak affecting consumers; company ordered to pay $67 per user compensation
SK Telecom
Massive data leak affecting users; consumer agency ordered compensation of $67 per user
Marquis Software Solutions
Data breach affecting 788K financial records of banks and credit union customers
1.26 million patients exposed in PEAR ransomware attack on medical billing company
1.26 million patients exposed in PEAR ransomware attack on medical billing company
SK Telecom
Massive data leak affecting multiple users; state agency ordered compensation of $67 per user
Post Office Limited
Data breach of Horizon IT scandal victims' personal data; ICO issued reprimand for 'entirely preventable' breach
Home Depot
Leaked GitHub credential exposed internal systems for over a year, providing write permissions to private repos
Prosper Marketplace
One of the seven largest banking data breaches of 2025
Sax
Data breach disclosed covering 2024 data