A method, a computer program product, and a computer system transmit an authenticated communication. The method being performed by a sending device includes transmitting a request to an authentication server indicating that the authenticated communication is to be transmitted. The method includes receiving a security token from a security device that is co-located with the sending device. The security token is received by the security device from the authentication server. The method includes generating the authenticated communication by incorporating the security token in a communication. The method includes transmitting the authenticated communication to a recipient device.