A system includes an engine control configured to control a gas turbine engine and a means for wirelessly communicating with an offboard system and communicating with the engine control by establishing communication with the engine control on a first communication bus using system credential authentication, establishing communication between the engine control and a data storage system on a second communication bus, establishing wireless communication with the offboard system using system credential authentication, and providing access from the offboard system to the engine control and from the engine control to the data storage system to enable one or more updates of the data storage system by the offboard system based on service credential authentication.