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Jacob Munch edited this page Dec 30, 2015 · 1 revision

Categories

Here are all the categories with a small description of every one of them.
Please keep in mind that many types of 2FA can fit into multiple categories.

Hardware

Hardware based authentication. Often something like a security token.

Software

Software based authentication. Often something like Google Authenticator or Authy.

SMS

SMS Text Message based authentication.

Phone

Phone call based authentication. (This is not for apps purely on a phone, like Google Authenticator. Those should be under Software.)

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