A method of downloading trusted content. The method comprises sending by a mobile device a request for a trusted content to a server, wherein the mobile device comprises a first mobile device trusted security zone and builds the request while executing in the first mobile device trusted security zone and wherein the server comprises a server trusted security zone and wherein the server handles the request for the trusted content at least partly in the server trusted security zone. The method comprises receiving the trusted content by the first mobile device trusted security zone, storing the trusted content in a second mobile device trusted security zone of the mobile device, inspecting the trusted content in the second mobile device trusted security zone, and when the trusted content passes inspection, at least one of executing or presenting a portion of the trusted content by the first mobile device trusted security zone.