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普通的黑客从进入到退出一次数据攻击只需用不到10秒钟时间就可完成,这个时间对于数据库管理员来说即使注意到入侵者都几乎不够。因此,在数据被损害很长时间之前,许多数据库攻击都没有被单位注意到。
It takes less than 10 seconds for an average hacker to enter and leave a data attack, which is almost impossible for the database administrator even if he notices the intruders. Therefore, many database attacks were not noticed by the unit until the data was damaged for a long time.