TARA
Beginner
A careful list of what a hacker might attack and how bad it would be.
Novice
Threat Analysis and Risk Assessment, the method in the car-cybersecurity standard ISO/SAE 21434: list what is worth protecting, how an attacker could reach it, and how bad the result would be.
Expert
Feeds chip requirements such as secure boot, key storage, debug lock-down and cryptographic acceleration, and must be maintained across the vehicle’s life.
Explained in Automotive (Industries).