The Top 10 Security Breaches Of 2012

5. LinkedIn

It's one thing when retailers and other verticals screw up on their security. But, when it happens to companies that are highly technology-driven, the breach becomes more compelling. In early June, social networking pioneer LinkedIn was tapped for approximately 6.5 million passwords, which were comprised of unsalted SHA-1 hashes. But since there will be plenty of work to do to crack that many passwords, the bad guys started publishing them in various places on the Web so they could combine their efforts and make better headway. Team players, they are.

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