A Review of Two-Factor Authentication: Suggested Security Effort Moves to Mandatory.

Two-factor authentication has been available to technology consumers for a long time, and a few years ago businesses and institutions began implementing optional two-factor authentication to improve digital security. Now more universities and hospitals are moving from optional to mandatory two-factor authentication, and employees used to two-factor authentication for their personal digital life must adjust to using two-factor authentication in their work flow. This column will review some of the ongoing and emergent aspects of two-factor authentication to enhance security in an ever-changing digital landscape.