Access Control systems dictate who, when, and where a facility or resource can be accessed. In order for a user to gain access in a single factor transaction, they must provide the required credentials. Credentials can be a keypad combination, a biometric scan such as a fingerprint or retinal scan, or a swipe of a card containing the required information. So the user presents their credentials to the control panel, and the software on the control panel compares the provided credentials with the ones stored in the database. If the credentials match a database entry, access is granted. Two factor...