CYBER SECURITY DEFINITIONS two-factor authentication (2fa) Two-factor Authentication (2FA) Two-factor authentication (2FA) is an extra layer of protection beyond just a username and password; uses two methods of identification to allow access to an account rather than just one. Visit our blog to see what our experts are saying about the current cyber security landscape Check out our events page to see where you can meet the Blackpoint team and learn more about our service in person Learn more about our True Managed Detection and Response service