本书剖析斯诺登背后的故事，特别是围绕"棱镜"主谋——美国国安局展开对美国网络战、情报战布局与战略的分析和追索，揭秘美国众多情报特务机构的不为人知的运作方式，敲响未来必将爆发信息网络大战的警钟。（The book analyzed the story behind Snowdon, especially analyses and searches on layout and strategy of American cyber and information warfare based on US NSA, chief plotter of "Prism". It exposed unrecognized operation of numerous US intelligent spy agencies and raise an alarm of a cyber and information warfare bound to happen in the future.）