一直以来,提到网络安全问题,大多数企业把外网作为主要的防护对象,因为大家都有一个概念:网络的一边即外部的所有人是不可信任的,另一边即内部的所有人是可信任的。因此,包括防火墙在内的一系列的措施被广泛使用。但据调查,在实际环境中,80% 的攻击和越权访问来自于内部,也就是 All along, most companies refer to the external network as the main target of protection because they all have a concept that the outside of the network is untrustworthy, and the inside owner is trust. Therefore, a series of measures including firewalls are widely used. However, according to the survey, in the actual environment, 80% of the attacks and unauthorized access come from within, that is