Abstract: An Internet-based card access and security system and method, the system comprising at least one Internet client station, at least one Internet host center and an intelligent card access controller with related hardware components. The Internet client station is linked to an Internet cloud, and provides a connection and user interface for an individual who is using the Internet client station. The Internet host center is also linked to the Internet cloud and provides the data repository for the card access and/or security system along with the logic for handling access and security inputs and for processing, interpreting, filtering, disseminating, and storing the source of inputs and resulting actions according to the configured rules. The Internet host center is linked to one or more Internet clients as well as multiple controllers representing different customers and different installations.