The Anti-Passback function is designed to prohibit the sharing of an issued credential, and the act
of following an authorized user through a controlled access point, also known as "tailgating."
- Hard Anti-Passback
: must read In before reading Out
- Soft Anti-Passback
: which grants access to the card no matter what but when out of sequence, creates an exception alarm
- Timed Anti-Passback
: which allows a card to be read only once every X number of seconds at the same reader