Abstract: As the foundation for supporting digital transformation, the digital upgrade and transformation of network security itself is also facing urgent requirements.As an important part of the intersection of cyberspace security and cyberspace geography, cyberspace surveying & mapping technology is also a fundamental technical support for the digital transformation of cybersecurity.Therefore, it has received more and more attention from related industries.The practice of related technologies in the field of network security has included a series of application directions such as asset management, attack surface discovery, automated penetration testing, vulnerability incident response, map.supported operations, situational awareness, and some other related applications, as well as some problems revealed.This article briefly analyzes these typical problems, and finally puts forward some specific suggestions for application directions.

Key words: cyberspace surveying &, mapping, cybersecurity, surveying &, mapping defined network