Printable NFL Regular Season Schedule 2016-2017. The 2016 NFL regular season football schedules include NFL team schedules, NFL weekly schedules, Monday Night Football schedule, Sunday Night Football schedule, Thursday Night Football schedule, NFL playoff schedule and NFL Preseason Schedule.
Two Factor Authentication , also known as 2FA , two step verification or TFA ( as an acronym ) , is an extra layer of security that is known as  multi factor authentication  that requires not only a password and username but also something that only , and only , that user has on them , i.e. a piece of information only they should know or have ...
Four-factor authentication is a newer security paradigm than two-factor or three-factor authentication. Four factor systems are sometimes used in businesses and government agencies that require extremely high security. Knowledge factors include all things a user must know in order to log in, such as a user name and password or personal identification number (PIN). 2  Possession factors include anything a user must have in their possession to log in, such as a one-time password token (OTP token) or a smartphone with an OTP app.