2012's worst security exploits, fails and blunders

PC World - A fool and his feeble p@$$w0rd are soon rooted, but if 2012 has proven anything, it's that even the most cautious security-minded souls need to double down on their protective practices, and think about the best ways to mitigate damage if the worst happens in our increasingly cloud-connected world.

A solid security toolbox should form the heart of your defense, of course, but you'll also need to consider your basic behavior. For example, a leaked LinkedIn password does little harm if that particular alphanumeric combination only opens the door to that particular account, rather than every social media account you use. Two-factor authentication can stop a breach before it happens. And do your passwords suck?

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