Zero-Trust-Based Protection Scheme for Users in Internet of Vehicles

Table 1

Vehicle rating level and authority.

Level	Estimation scale	Authorization
1	Complete trust	Vehicles and users can access, edit all data, and modify cloud facilities
2	General trust	Vehicles and users can access and edit all data
3	Neutrality	Vehicles and users can access all data
4	General distrust	Vehicles and users can access some data
5	Complete distrust	Refuse to provide service