Anonymous Vs Sony : Word By Word Q/A b/w Reporters and Sony during Conference! The password was not encrypted, BUT protected by HASH. There is no firm evidence of leakage. The possibility existed, what/when/how was it still under investigation. Account numbers is between 7700000 to 7800000 accounts plus there are double accounts. account numbers is up to 7700000. The hacker says he has no idea why they attacked our network, and what is the purpose/target of it.
Source: https://thehackernews.com/2011/05/anonymous-vs-sony-word-by-word-qa-bw.html