针对计算机病毒、黑客攻击、木马程序等常见的网络安全问题,给出利用防火墙、病毒防护、灾难备份、漏洞扫描、黑客防范等技术防范措施,并建议对安全性要求较高的单位应该请专业团队进行风险评估,消除安全隐患.%The Paper illustrate the following preventive measures such as firewal l,virus protection,disaster backup,scanning loopholes,prevent hackers techno logy towards computer virus,a hacker attacks,trojan virus and other common pro blems of network security.It also suggests those units on higher security deman d have professional team for risk assessment to eliminate the safety hidden trou ble.
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