06.06.12 06:44 AM
LinkedIn is investigating reports that approximately 6.4 million user passwords have been posted on the Web. While the breach is still unconfirmed by LinkedIn (as of the time that we wrote this blog), they have acknowledged on their
Twitter feed that their investigations have begun.
If you're a LinkedIn user, Websense® Security Labs recommends that you change your password immediately to help prevent your password from falling into the wrong hands.
After retrieving the password files that are being distributed on forums in the .ru TLD space, it appears that the passwords are hashed. However, based on samples seen by us, it is easy to translate them into clear text. Our initial investigations reveal that a password of "linkedin" features heavily.
It is uncertain how the hackers retrieved the stolen passwords; however, the passwords that users are finding in the hashed files do appear to be real.
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http://community.websense.com/blogs/...passwords.aspx 
