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08 June 2012

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LinkedIn Admits on Million of Account Passwords Hacked Recently!

LinkedIn Millions of account password hacked!Everyone in this industry knows about LinkedIn that it is a world famous top class professional social networking website ever founded in Dec 2002. LinkedIn reports more than 150 million registered users in more than 200 countries and territories. Thus Hacking of it makes a lot of disappointment in LinkedIn Security Experts. At KrackoWorld, i have also written many tutorials on Hacking LinkedIn account passwords in easy way out. But Now i am goanna show you How LinkedIn gets hacked recently and Million of account passwords leaked at a glance (approx. 6.4 M).


What Actually Happens?

LinkedIn Wednesday confirmed that at least some passwords compromised in a major security breach correspond to LinkedIn accounts. Cryptographic hashes of millions of LinkedIn user passwords were stolen by hackers who then published the stolen hashes online in June 2012. In response to the incident, LinkedIn asked its users to change their password on its blog and twitter, but did not immediately email its user base. Roughly 6.4 million passwords were stolen.

Vicente Silveira, Director at LinkedIn, confirmed the hack on the company's blog Wednesday afternoon and outlined steps that LinkedIn is taking to deal with the situation. He wrote that those with compromised passwords will notice that their LinkedIn account password is no longer valid.

Check what Linkedn director Vicente Silveira said in the blog post:

The file only contains passwords hashed using the SHA-1 algorithm and does not include user names or any other data, security researchers say. However, the breach is so serious that security professionals advise people to change their LinkedIn passwords immediately. An SHA-1 hash is an algorithm that converts your password into a unique set of numbers and letters. If your password is “LinkedIn1234,” for example, the SHA-1 hex output should always be “abf26a4849e5d97882fcdce5757ae6028281192a.” As you can see that is problematic since if you know the password is hashed with SHA-1, you can quickly uncover some of the more basic passwords that people commonly use.

Here’s what Imperva found: The most common password used was “123456,” followed by “12345″ and “123456789.” All in all, more than half a million people chose passwords composed of only consecutive numbers. So, if a hacker tried to log in to all RockYou accounts with just one password attempt–123456–every hundred or so attempts would yield a compromised account. Dozens of attempts can be scripted every second, so Imperva estimates that using this technique would only take around 15 minutes to hack 1,000 accounts and more.

That's it! Source taken from THN.

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