Chase Bank Security Breach. Failed to protect the personal information of more than 451,000 people that was disclosed in a february data. The data may include the card owner's name and address, the.

On thursday evening, jpmorgan chase revealed that a massive security breach has led to the exposure of sensitive data belonging to 76 million households and. The bug allowed unauthorized access to retirement plan records of 451,809 customers, which contain names, addresses, social security numbers and bank.