Systems and methods are provided for securing and authenticating a network of a vehicle. At least one network key is generated by an electronic control module and distributed to at least one remote device over a wired power line. At least one signed transmission having a signature based on the at least one network key is transmitted from the at least one remote device to the electronic control module over a communication channel on the network separate from the wired power line. The electronic control module authenticates and encrypts the at least one signed transmission and receives a data stream from the at least one remote device over the communication channel.