Authentication is the first line of defense in your access control system. It verifies that a person or device is truly who they claim to be before granting entry. This can be done through:
Something you know – passwords, PIN codes, or security questions.
Something you have – keycards, mobile credentials, smart tokens, or one-time passcodes.
Something you are – biometric identifiers like fingerprints, facial recognition, or retina scans.
The stronger the authentication process, the harder it is for unauthorized individuals to gain access—keeping your systems, data, and premises secure.