Marquis Software Solutions
Data breach exposed 788,000 financial records from multiple bank and credit union customers
Retail & E-Commerce Data Breaches (355855 indexed)
SK Telecom
Massive data leak; ordered to pay $67 per user in compensation by consumer agency
Prosper Marketplace
Data breach affected fintech company with approximately 10 million individuals impacted
Prosper Marketplace
Nearly 20 million individuals affected in data breach at fintech company
Leroy Merlin France
Loyalty program data breach affecting customers; disclosed December 3, 2025
Marquis
Ransomware attack exposed banking customer data including personal and financial records
Water utilities (12 states)
Cyberattacks on operational technology systems across at least 12 US states including South Dakota and Georgia
North Carolina Ports Authority
Cyberattack disrupted IT systems and operations at Port of Wilmington; systems being restored
Prosper Marketplace
Fintech company data breach affecting nearly 20 million individuals with financial data exposure
Wave of cyberattacks targeting hedge funds and private-equity firms linked to UNC6671
Wave of cyberattacks targeting hedge funds and private-equity firms linked to UNC6671 extortion group
Leroy Merlin France
Customer loyalty program data breach affecting French home improvement retailer
Illuminate Education
Data breach leading to FTC settlement and security program implementation
Prosper Marketplace
Data breach affecting approximately 10 million individuals in fintech company
700Credit
Car dealership services provider data breach exposed sensitive customer data affecting 20 million records.
Home Depot
Exposed GitHub token gave security researcher access to private repos for over a year
Post Office Limited
Data breach exposed wrongfully convicted Horizon IT scandal victims' personal information
Leroy Merlin France
Loyalty program data breach affecting customers of French home improvement retailer
Marquis Software Solutions
Ransomware attack exposed 788,000 financial records affecting bank and credit union customers
Marquis Software Solutions
Unauthorized access to sensitive information of 788,000 customers of banks and credit unions
Post Office Limited
Data breach exposed names of wrongfully convicted operators, entirely preventable
Petco
Data breach exposed personal data of customers including names and dates of birth across several states
Post Office Limited
Data breach affecting Horizon IT scandal victims; reprimanded by ICO for preventable breach
Coupang
Data breach exposed 33.7 million customers' personal information in South Korea
Post Office Limited
Data breach resulting in accidental publishing of names of Horizon IT scandal victims and wrongfully convicted operators