A users in Russian forum claiming to have downloaded 6.46 million user hashed password from LinkedIn. The user uploaded 6,458,020 hashed passwords, but no usernames. Finnish security firm CERT-FI is warning that the hackers may have access to user email addresses also, though they appear encrypted and unreadable. There is a possibility that this would be a hoax.
LinkedIn has more than 150 million users worldwide, which is around less than 10 percent of its user base. This is one of the major attack happened, although the company now confirmed that it knows about the issue, and has updated its official Twitter account to state that it is looking into reports.
Our team is currently looking into reports of stolen passwords. Stay tuned for more.
— LinkedIn News (@LinkedInNews) June 6, 2012