Ernst & Young
Names, addresses, Social Security numbers, and financial data stolen from third-party platform
Retail & E-Commerce Data Breaches (355852 indexed)
SK Telecom
Data leak affecting multiple users; consumer agency ordered compensation of $67 per user
Petco
Customer personal data including names and dates of birth exposed across multiple states
Marquis Software Solutions
Data breach providing unauthorized access to sensitive information of 788,000 bank and credit union customers
Post Office Limited
Data breach of Horizon IT scandal victims; ICO reprimand issued for preventable breach
TransUnion
Banking data breach, among seven largest in 2025
SK Telecom
Massive data leak resulted in consumer agency ordering $67 compensation per user
Prosper Marketplace
Banking data breach, one of seven largest in 2025
Marquis
Ransomware attack exposed banking customer data including personal information and financial records
Petco
Customer personal data including names and DOB exposed across multiple states
700Credit
Car dealership services provider 700Credit data breach affecting millions of users
Coupang
33.7 million customers' personal information exposed in data breach affecting South Korea's largest online retailer
Leroy Merlin France
Leading French home improvement retailer disclosed loyalty program data breach affecting customers
Marquis (Fintech)
Ransomware attack stole banking customer data including personal information and financial records from dozens of US banks
Marquis Software Solutions
Data breach of 788,000 financial records of bank and credit union customers
700Credit
Data breach affecting portion of ~20 million records in car dealership services
700Credit
Car dealership services provider data breach exposed sensitive customer data affecting 20 million records.
Post Office Limited
Data breach exposing Horizon IT scandal victims' personal information, entirely preventable
SK Telecom
Data leak affecting users; ordered to pay $67 per user in compensation
700Credit
Car dealership services provider data breach affecting approximately 10M individuals
Post Office Limited
Data breach resulted in accidental publishing of names of Horizon IT scandal victims
700Credit
Car dealership services provider data breach affecting millions of records
Credential Compilation
2 billion emails and 1.2 billion passwords exposed in massive credential compilation
700Credit
Car dealership services provider breached, approximately 10 million records compromised