Twitter says hackers may have accessed data on 250,000 user accounts

http://gigaom.com/2013/02/01/twitter-says-sophisticated-hackers-may-have-accessed-data-on-250000-user-accounts/  / Chinese hackers targeting United States media companiesThe Wall Street Journal New York Times  blog post Twitter social media company security threats data associated site company attack not amateurs attack hacks hacking potentially affected small percentage users company urged change passwords regularly keep track of their accounts access patterns identifying unauthorized access attempts one live attack able to shut it down in process access limited user information usernames email addresses session tokens encrypted salted versions passwords /