于中国而言,内生不足与外部威胁作为信息安全的内外因素一直并存,尤其是互联网发展的跨国性使得相关内外因素极易相互影响、震荡,带来更为严峻的形势。最具代表性的莫过于,一方面我国核心网络技术受制于人;另一方面,美国将“网络空间”视为对中国实施遏制的新领域。各种技术与产品中的预留后门与漏洞为美进行秘密监控与破坏提供了便利。据美国《外交政策》报道,美国安 In China, both endogenous and external threats coexist as internal and external factors in information security. In particular, the transnationality of the development of the Internet makes the internal and external factors easily interdependent and turbulent, bringing about even more severe problems. The most representative one is that on the one hand China’s core network technology is controlled by others; on the other hand, the United States regards “cyberspace” as a new area of ​​containment for China. The backdoors and loopholes reserved in various technologies and products provide the convenience for the United States to monitor and destroy the secrets. According to the U.S. “foreign policy,” U.S. security