Term Paper- Two factor authentications add more security to any application.

Term Paper- Two factor authentications add more security to any application.

Two factor authentications add more security to any application.

This is well documented in the security realm.  The problem tends to be how the 2FA is offered.  Having to input a long string of randomly generated characters from a keyfob is irritating.

 Having to enter a second password or some other kind of information can be frustrating to end-users as well.  

This paper discusses a technology called Sound-Proof, which uses audio based on proximity to a device as a 2FA method.