Abstract
Cyber-Physical Systems (CPS) is a multidimensional complex system that integrates computing, network, and physical environments. Due to the existence of network communications and embedded computers, CPS is vulnerable to attacks, so its security has become an important issue. The paper studies the main types of network attacks and the methods of detection, including the security estimation and control of CPS. Finally, the paper puts forward the key issues and challenges faced by the CPS network attack research.