[20201215]IF10559_网络安全：基础.pdf

https:/crsreports.congress.gov Updated December 15, 2020Cybersecurity: A PrimerIntroduction There is a continued increase in both the utility and risk from networked devices. The very tools Americans use to chat with loved ones and make purchases are the same tools which can be turned against them to deny access to services, steal their information, or compromise the digital system they trust. These tools exist in cyberspace, and the security of that environment is a large endeavor involving government, the private sector, international partners, and others. This In Focus provides an overview of cybersecurity for policymaking purposes, describes issues that cybersecurity affects, and discusses potential actions Congress could take. The Nature of Cybersecurity The term “cyber” is frequently attached to a variety of security issues, underscoring that issues surrounding the management of cyberspace and its security are big and complicated. As an example, consider a single smartphone. An American company may have designed the device, but the device may be built by a different company abroad using material from yet another country. The phone runs on software built by one company but mo