A Continued Commitment to Security Facebook
www.facebook.com/notes/facebook/a-continued-commitment-to-security/486790652130
From the page
Saved with the link. Notes from 2007 to 2016 are mostly the page's own words, so this is probably an excerpt.
That's why we've developed a number of complex systems that operate behind the scenes to keep you secure on Facebook. In addition, we've created some advanced features you can use to help protect yourself even more, such as remote logout and one-time passwords. These features are especially useful when you're uncertain whether your network or computer is secure. Today, we're announcing two new such features.