Sony PlayStation Network Compromise

Citation
Department of Homeland Security, [National Cybersecurity and Communications Integration Center]], Sony PlayStation Network Compromise (Apr. 28, 2011) (full-text).

Overview
On Tuesday April 19, 2011, Sony learned its PlayStation Network and Qriocity Networks had been compromised by unidentified actors. Sony closed down the two networks on April 21 and publicly announced the compromise the following day. On April 26, the company disclosed that personal information had been stolen. The information included names and addresses of users, their birth dates, e-mail addresses and possibly other information including credit card numbers.

This advisory provides mitigation strategies that are intended to help the public proactively look for possible intrusions as part of a larger cyber security strategy.