Security experts warns that the business-focused social network LinkedIn has suffered a major breach of its password database. Recently, Recently, a file containing 6.5 million unique SHA-1 unsalted hashed passwords appeared in an online forum based in Russia.
More than 200,000 of these passwords have reportedly been cracked so far.
The hack is not yet confirmed by the LinkedIn. " Our team continues to investigate, but at this time, we're still unable to confirm that any security breach has occurred. Stay tuned here."
After further investigation, Sophos security researchers have confirmed that the file does contain, at least in part, LinkedIn passwords.
Researcher suggest to all LinkedIn users that they change their passwords as soon as possible as a precautionary step. Of course, make sure that the password you use is unique (in other words, not used on any other websites), and hard to crack.
If you use the same password some where else, don't forget to change their also ..!
