How does Facebook keep your password secure?

As much of the digital world deals with leaks and hacks, Facebook knows that keeping user data secure is the most important thing it can do.

The company’s security team explained in a blog post, written by Security Engineer Chris Long, how they keep the password safe:

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.