Onboard computer

PaperForthcoming. Table 3 and the detection priorities.

Broadest set of high ratings. It handles information for several subsystems, so a compromise can spread past the first function that was hit.

High in the table: Malware, Spoofing, Replay, Tampering, Firmware compromise, Insider threat.

Watch system and software behavior, communication activity, and firmware integrity. The paper does not assign this component to onboard or ground alone.