扫描与信息收集是一种基础的网络攻击方式,也是很多其他网络攻击方式的初始步骤。网络攻击者通常采用此方式,获得关于被攻击网络的地址、服务和应用等各方面有用信息。扫描与信息收集包括被动收集和主动探测两种方法,通常包含以下三个步骤: Scanning and information gathering are a basic form of cyberattack and are the first steps in many other ways of cyberattacking. Network attackers typically use this approach to gain useful information about the addresses, services and applications of the attacked network. Scanning and information collection, including passive collection and active detection of two methods, usually involves the following three steps: