面向铁路信息网络的可信计算安全机制探讨

Discussion on Trusted Computing Protection Mechanism for Railway Information Network Security

铁路系统对国家安全与社会稳定至关重要.尽管铁路信息系统已按国家规定进行网络安全防护,但面临着新兴技术应用带来的风险,包括潜在的病毒、木马、APT等网络攻击.可信计算技术是当前备受关注的解决方案,致力于在计算过程中实施全方位安全防护,以确保行为结果符合预期,保持计算全程可控可测且不受外部干扰.这标志着对传统被动防御技术的革新,强调不再只是被动应对攻击.本文深入剖析了铁路信息系统所面临的安全挑战,介绍了可信计算技术的研究和应用状况,结合铁路信息系统的特点提出了可信计算技术的应用建议,以供铁路网络安全工作参考.

The railway system is an integral part of the country's critical infrastructure and is crucial for national security and societal stability.Although the railway information systems have been equipped with network security measures in accordance with national regulations,they still face risks arising from the adoption of emerging technologies,including potential threats such as viruses,trojans,and APT attacks.Trusted computing technology is currently a highly regarded solution that aims to implement comprehensive security measures during computational processes.Its primary objective is to ensure that the outcomes align with expectations,maintaining complete control and measurability throughout computations while remaining impervious to external interference.This represents a significant departure from traditional passive defense mechanisms,highlighting a more proactive approach to countering potential threats.This article extensively examines the security challenges confronted by railway information systems and presents the current state of research and application of trusted computing technology.Incorporating the distinctive features of railway information systems,it offers recommendations for the application of trusted computing technology,providing a reference for enhancing railway network security practices.