Leroy Merlin France
Data breach affecting loyalty program customers disclosed December 2025
Government Data Breaches (328438 indexed)
Prosper Marketplace
Data breach affecting approximately 10 million fintech customers
Leroy Merlin France
Loyalty program data breach affecting customers, disclosed December 3, 2025
Leroy Merlin France
Loyalty program data breach affecting customers
Post Office Limited
Data breach exposing names of wrongfully convicted Horizon IT scandal victims, deemed 'entirely preventable'
KT Corporation
Customer data breach exposed personal information; South Korea fined company $39 million
Prosper Marketplace
Data breach affecting fintech company with impact on millions of users
Post Office
Accidental publishing of data about wrongfully convicted Horizon IT scandal operators
Post Office Limited
Data breach exposed names of Horizon IT scandal victims; ICO issued reprimand
Mexican Government Agencies
Single hacker exploited Claude Code and OpenAI tools to breach 9 federal agencies, millions of records stolen
Post Office Limited
Entirely preventable data breach affecting Horizon IT scandal victims; reprimanded by ICO
Marquis Software Solutions
Ransomware attack exposed 788,000 financial records affecting bank and credit union customers
Post Office Limited
Data breach of Horizon IT scandal victims' information, reprimanded by ICO as entirely preventable
Prosper Marketplace
Data breach affecting millions of fintech company customers
KT Corporation
Customer data breach resulting in South Korea fine of $39 million
Home Depot
Exposed GitHub token gave security researcher access to private repos for over a year
700Credit
Car dealership services provider breach affecting ~10 million records
SK Telecom
Massive data leak; ordered to pay compensation of $67 per affected user
Home Depot
Exposed private GitHub token gave unauthorized access to internal systems for one year
Credential Compilation (Multiple Sources)
2 billion emails and 1.2 billion passwords compromised in massive compilation
Canada Life
Threat actor claims 5.5 million records including customer, employee, and corporate data compromised
Post Office Limited
Data breach affecting Horizon IT scandal victims, deemed entirely preventable by ICO
700Credit
Car dealership services provider data breach affecting 20 million individuals
Post Office Limited
Data breach of Horizon IT scandal victims' information; ICO issued reprimand for entirely preventable breach