Q: HOW DO YOU MAKE YOUR FACEBOOK PROFILE HACK-PROOF?

A: It’s really quite simple – and Facebook provides all of the tools to do so in under 30 minutes. Just log in to Facebook, and head on over to Log into Facebook | Facebook.

The most important issues are:

  • Strong password. US-CERT (one of the two Federal groups who is tasked with IT best practices) recommends a minimum of 15 characters. There really isn’t a need for complexity, such as using upper, lower, numbers, and special characters (although that does help). Length is the important factor.
  • Enable Two-Factor Authentication. In the event someone does find your password, this makes it impossible for them to log in without the code sent to your phone

The rest of the security settings are primarily about limiting what others can discover about you.

https://www.quora.com/How-do-you-make-your-Facebook-profile-hack-proof/answer/Marc-Mintz-4