窃听,原本是指偷听别人讲话。但随着科学技术的发展,“窃听”的范围早已不再局限于“语音信息”。网络传送一段文字、一张图片,都可能被人监听和拦截。即使是加密信息,也频频被破解。那么,世界上难道就没有完全保密的通信方式了吗?聪明的人类当然会找到更好的办法! Eavesdropping, originally refers to eavesdropping on others speech. However, with the development of science and technology, the scope of “eavesdropping” is no longer confined to “voice information ”. Network transmission of a text, a picture, may be intercepted and intercepted. Even encrypted information is frequently cracked. So, is not the world there is no way to completely secure communication? Of course, clever human beings will find a better way!