US Patent 9876778 Devices for providing secure remote access

A method for providing secure remote access by a controller is described. The method includes establishing a link through a security service to a client device via a cloud server based on a security token from the client device. The method also includes receiving a command message from the client device for an application program interface (API) located within the controller. The command message is forwarded by the cloud server. The method further includes producing an automation command based on the command message. The API interprets the command message.