A method of facilitating the exchange of data between a user having a computing device, and a remote entity, where a first connection has been established between the user and the remote entity, and where the user has associated data exchange information with an application on the computing device, the data exchange information defining properties of the data to be exchanged between the user and the remote entity. The method comprises establishing, at a server, a second connection to the computing device; enabling retrieval of a user authentication attribute associated with the data exchange information; enabling retrieval of a device authentication attribute associated with the data exchange information; enabling authentication of the user using the user authentication attribute; and enabling authentication of the computing device using the device authentication attribute, where data may be exchanged between the computing device and the remote entity in accordance with the data exchange information following authentication of the user and the computing device.