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Two-Factor Authentication

Overview#

Two-Factor Authentication is an Authentication which has Two Authentication Factors and is a form of Multi-Factor Authentication

The most common types use either Tokens (Hard tokens or Soft tokens or One-Time Password Systems).

Some use a Biometric Token (Something You Are) as used in Biometric Authentication.

Most Common Two-Factor Authentication Systems#

The most common types use either Tokens (Hard tokens or Soft tokens or One-Time Password Systems).

The Good part is:

  • Many on the market.
  • Easy to integrate into existing systems.
  • Typically used in VPNs (RADIUS type systems)
  • Users understand the systems
  • Any machine or device maybe used.

The not so good

More Information#

There might be more information for this subject on one of the following: