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根据美国计算机安全研究所和联邦调查局的调查,美国的公司网络平均每年要遭受12—15次黑客袭击。在接受调查的563家用户中,73％的用户表示
According to a survey conducted by the Institute for Computer Security and the FBI, U.S. corporate networks suffer an average of 12-15 hacking attacks each year. Of the 563 users surveyed, 73% said