A method of providing data communications between first and second computing devices over a data network may include receiving a request for data communication at the first computing device from the second computing device over the data network. After receiving the request for data communication, a request for a credential according to an authentication standard may be transmitted from the first computing device to the second computing device, and the request for the credential may identify the authentication standard. After transmitting the request for the credential according to the authentication standard, a credential according to the authentication standard may be received, and the credential maybe verified. Responsive to receiving the request for data communication and responsive to verifying the authentication credential, the requested data communication may be allowed.