Facebook taps into NFC in Android phones for strong account security

We hear a lot about 2-factor authentication these days, an invaluable way to protect your account from someone who has stolen your password, but there’s an inherent wrinkle built into the system: SMS. Most 2FA setups use text messages to deliver a one-time code sent to your phone, but there can be issues with that system. For one, it requires a cell connection, and for another texts can be intercepted.
Granted, this is a small window of opportunity for hackers, but Facebook wants to close