Chapter 3: Access Control - Overview Part 2

When dealing with access control, it is important to realize what the three main things are that can be used for authentication. The three keywords here are knows, is, and has. These keywords correlate to authentication by knowledge, by ownership, and by characteristic. A couple of other ideas that should stand out from this section is the idea of strong authentication. All these means is that the authentication process has to contain nit one, but two of the identification characteristics described above.