Hackers gained access to the names, addresses, phone numbers and emails of JPMorgan account holders. Hackers drilled deep into the banks vast computer systems, reaching more than 90 servers, people with knowledge of the investigation said. JPMorgan said in a regulatory filing that there was no evidence that account information, including passwords or Social Security numbers, had been taken. The bank has fortified its defenses against the attacks, CEO Jamie Dimon wrote, the battle is continual and likely never-ending”]
Source: https://dealbook.nytimes.com/2014/10/02/jpmorgan-discovers-further-cyber-security-issues/