Question

Using a one-time code that has been texted to a smartphone is an example of:

A. something you have

B. something you are

C. something you know

D. something you do.

Answer 1

using a one-time code that has been texted to a smartphone is an example of A) something you have

These all are types of authentications.

something you have

• information that can be carried physically carried by you such as a OTP ( One Time Password), OTC ( One Time Code) etc. These are all tokens which usually expire after a period of time like in 2 minutes.

something you are

• an information that is inside you like your thumb print, biometrics or iris

something you know

• it is something which can be stored in memory and can be used when required like a password or a pin or a security question

something you do

• proves identity by observing you actions which include gestures which are user specific. Example:
  Gestures to do a specific task in a Windows computer which could be move a mouse clicked from one position to another in order to achieve specific tasks such as taking screenshots.