hacker is a Chinese word, are derived from the English hacker, with the appearance of grey pigeon, grey pigeon has become a lot of hacking technology under the guise of hackers to control other people's computers, so there is a "hacker" and "hacker" split. The 2012 movie Hacker, produced by the Movie Channel's Program Center, has also started using the word hacker, showing the convergence of Chinese usage habits. Let CHT take you through the world of hacking! And all kinds of hacker attack and defense, network security tutorial videos.