Sony has hired private investigators in a search for the hackers that performed the security breach on the database containing Playstation users’ personal information. Sony state that an additional 25m users’ details have been stolen from an outdated database, totalling the number of potential stolen information to 100m.
Although investigators are not thought to be close to identifying the culprits, at least some of the attacks came from a Malaysia-based server, according to the Wall Street Journal.
Sony state that the breach came at the same time as it was fighting a denial-of-service attack from Anonymous (a hacking group), and have partly blamed them for causing the security breach.
The FBI has now launched a separate investigation in search of the hackers.
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