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Why Facebook is scouring the Web for your passwords

Why Facebook is scouring the Web for your passwords
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Did you know that Facebook has little robots combing the Internet trying to find your passwords? You might think it's just another invasion of privacy from the social network, but it's not. In fact, you should be pretty pleased that Facebook is hunting down your passwords on the Web.

I'll explain.

It seems like every other day, we're hearing of data breaches and big hacks. Because your personal information is such a valuable commodity, criminals are always trying everything they can think of to steal it. When they do, they often try to sell it online in public postings. Your Facebook password and user name are just this type of valuable information.

Facebook has just revealed in a blog post from a security engineer that it's actively searching the Internet for passwords posted online. Here's what it had to say:

Our team wanted to do something to improve this situation, so we built a system dedicated to further securing people's Facebook accounts by actively looking for these public postings, analyzing them, and then notifying people when we discover that their credentials have shown up elsewhere on the Internet. To do this, we monitor a selection of different "paste" sites for stolen credentials and watch for reports of large scale data breaches. We collect the stolen credentials that have been publicly posted and check them to see if the stolen email and password combination matches the same email and password being used on Facebook.

Next page: What will Facebook do if it finds your password?
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