13,000,000 ( No SSNs or financial information exposed ) Mirroring the Gawker an McDonald 's breaches earlier this month , hackers exposed the email addresses , user names and birth dates of the entire deviantART user database . Hackers were able to breach deviantART 's marketing company Silverpop Systems Inc. Passwords and sensitive information were not exposed , but the breach is expected to increase spam for registered users . ;