A method and apparatus provides for trusted point-to-point communication over an open bus. An embodiment of a computer includes a first software environment, with the first software environment being a trusted environment. The first software environment includes one or more trusted applications, and provides for the generation of trusted data packets in an open bus. The computer also includes a second software environment, with the second software environment being an un-trusted environment. The computer includes a trusted interface for an open bus, the trusted interface being accessible only to the first software environment. Other embodiments are described and claimed.