Provided is a method for authenticating a device. The method may include coupling a first device to an interaction database that is connected to a second device. The first and second devices store first group public and private keys. The second device also stores second device public and private keys. The first device transmits to a remote computer system a first message encrypted with a remote computer system public key that includes challenge data and response data encrypted with the first group public key and authentication data. The second device receives from the remote computer system a second message including the encrypted challenge data. The second device transmits to the remote computer system a third message including the response data. In response to receiving an authentication message, interaction may be permitted between the first device and remote computer system. A system and computer program product are also disclosed.