Petco
Data breach exposing customer personal data including names and dates of birth across multiple states
Retail & E-Commerce Data Breaches (359195 indexed)
Marquis
Ransomware attack stole banking customer data containing personal information and financial records from dozens of US banks and credit unions
Post Office
Accidental publishing of data about people wrongfully convicted in Horizon IT scandal
SK Telecom
Massive data leak exposed customer records, compensation ordered at $67 per user
700Credit
Car dealership services provider data breach affecting approximately 10M+ users
Prosper Marketplace
Data breach affecting fintech company customers
Prosper Marketplace
Fintech data breach affecting portion of ~20 million records exposed with 700Credit
Prosper Marketplace
Fintech company data breach affecting approximately 10 million people
Marquis
Ransomware attack exposed banking customer data including personal information and financial records affecting dozens of US banks and credit unions
700Credit
Data breach affecting car dealership services customers
700Credit
One of seven largest banking data breaches of 2025
Marquis
Fintech firm ransomware breach exposed banking customer data and financial records affecting US banks/credit unions
Leroy Merlin France
Loyalty program data breach affecting customers, disclosed December 3, 2025
Post Office Limited
Data breach resulted in accidental publishing of names of people wrongfully convicted in Horizon IT scandal scandal.
Exact Sciences / Abbott
Data breach exposed sensitive personal information from at-home diagnostic test users
Essex NHS Trust
Thousands of NHS patient records stolen in cyber attack, breach disclosed over six months after notification
Post Office Limited
Data breach exposed names of victims from Horizon IT scandal; preventable breach resulted in ICO reprimand
Prosper Marketplace
One of seven largest banking data breaches of 2025
SK Telecom
Massive data leak; ordered to pay $67 compensation per user
Leroy Merlin France
Loyalty program data breach exposing customer data in December 2025
Network breach
Network breach exposed sensitive healthcare billing data affecting 1.26 million people
Post Office Limited
Names of Horizon IT scandal victims accidental published in preventable data breach
Coupang
South Korea's largest online retailer breached, 33.7 million customers' personal information exposed
Leroy Merlin France
Loyalty program data breach affecting customers, 37,000+ records exposed