describe the 3 different types of authentication

Type 1 – Something You Know: includes passwords, PINs, combinations, code words, or secret handshakes. Anything that you can remember and then type, say, do, perform, or otherwise recall when needed falls into this category.

Type 2 – Something You Have – includes all items that are physical objects, such as keys, phones, smart cards and USB drives devices

Type 3 – Something you are: includes any part of the human body that can be offered for verification, such as fingerprints, palm scanning, facial recognition, retina scans, iris scans, and voice verification.