Two Factor Authentication

What Is Two Factor Authentication?

Two Factor Authentication, also known as 2FA, 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, such as a physical token.

Two Factor authentication is a more secure method of verifying or validating your identity.

Two Factor Authentication is an approach to Authentication which requires the presentation of two or more of the three authentication factors:-

  • 1 – Something the user knows (I.E PIN Number)


  • 2 – Something the user has (I.E USB or Keyfob)

Without two of these things – the user cannot log in.

The most common method of authentication is the username and password. This may seem like two factors, but both the username and the password are ‘what you know’ components and the username is generally public knowledge or easily guessed, so, the password is the only thing standing between an attacker and impersonating you.

Two Factor Authentication

Two Factor authentication requires using two different methods, or factors, to provide an additional layer of protection.  Typically, Two Factor authentication involves using either ‘what you have’ or ‘who you are’ in addition to the standard username and password (‘what you know’).  If you have online banking, most banks use Two Factor Authentication, for example a keyfob.

Aries Networks can evaluate what security you have and, more importantly also what security you need.  We work with a range of Security Vendors and can advise on which system will be suitable.

Two Factor Authentication
Two Factor Authentication

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