LONDON — One of Britain’s highest-ranking intelligence officials on Tuesday castigated the giant American companies that dominate the Internet for providing the “command-and-control networks of choice for terrorists and criminals” and challenged the companies to find a better balance between privacy and security.伦敦——本周二，英国最高级别的情报官员之一严厉批评了主导互联网的美国巨头公司，说道他们“为恐怖分子和犯罪分子获取了其选用的指挥官和掌控网络”，他呼吁这些公司在隐私权和公众安全性之间更佳地做到均衡。