1. At least one non-transitory computer readable medium having logic encoded therein, wherein the logic, when executed by one or more processors, is operable to perform operations comprising: receiving, at a network gateway, a session descriptor from a host, wherein the session descriptor identifies an application file associated with a process on the host attempting to establish a network connection via the network gateway; selecting a network policy to be applied to network traffic associated with the host based, at least in part, on information contained in the session descriptor, wherein based on the information including an indication of a wireless network connection and a wired network connection being active simultaneously on the host, the network policy is selected to restrict access to sensitive data by the application file via the network connection; correlating network traffic received by the network gateway with the host based on a universally unique identifier (UUID) contained in the session descriptor; and applying the network policy to the network traffic.