Research on Network Security Defense in Depth Technology in Cross-Regional Power Transmission Grid

Power grid enterprises are an important component of the national infrastructure, and their network security protection is of great importance. With the rapid development of digital technology, power grid enterprises are facing more and more network security threats and attacks, and traditional single defense measures are no longer sufficient to meet the network security needs. Therefore, building a network security defense-in-depth system has become a necessary measure for power grid enterprises to ensure network security.