This section introduces the intelligent made cars some cutting-edge technology in the field of data security and privacy protection，first from the path of the development of computing technology and privacy，the privacy homomorphism encryption，difference，the study，the basic concept of the specific technology such as block chain，common algorithm and introduces the practical application and so on，analyzed the privacy computing technology in the network applications. Secondly，from the trusted startup，trusted execution environment and other aspects of the equipment system security technology is described in detail. Finally，the access control technology is introduced and several representative works of host access control are sorted out.