在地平线世界中，勇敢迎战黑客。中国元首外交的魅力与担当

　　在线播放地址：http://www.easyaq.com/video/1245.html
　　Horizon meets the two men who uncovered Stuxnet, the pioneers of ultra-paranoid computing, a white-hat hacker who showed out how to hac k into stand alone cash machines, and explains how companies test resilience.