如何保障硬盘数据安全?TrueCrypt软件帮你忙

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  大家都知道,移动硬盘如果丢失,里面的数据对于其他用户来说完全是可自由读写的。如果你是商务或者销售。那可能会给公司利益造成严重损失。所以我们要用技术来武装自己,保护自己的关键数据。在Windows系统平台上,有很多加密数据的方式,比如EFS文件加密系统。不过今天主要从另一个方面讲解如何保障硬盘数据安全,那就是好好利用TrueCrypt软件.

  创建虚拟加密盘

  在电脑上安装软件后,将解压目录里的Language.zh-cn文件拷贝到安装目录下,这样就可以以中文界面来显示,运行TrueCrypt软件,在“盘符”下任意选择一个系统尚未占用的盘符(如H),点“创建加密卷”进入创建向导,此时会提供三种加密卷创建方式,如果电脑是多人共用,建议选择第一项,如果是加密硬盘分区、移动硬盘或闪存,此时需要选择第二项,而第三项一般针对私人使用的电脑。来源:考试大

  点击“下一步”后,提示用户选择加密卷是否需要隐藏,如果数据需要彻底安全保护,建议选择“隐藏的TrueCrypt加密卷”,普通用户选择“标准TrueCrypt加密卷”即可。点击“下一步”后依次指定创建加密盘的位置,比如需要将加密盘创建在D分区中,只要点击“选择设备”按钮,在弹出的界面中选择D分区即可;如果需要将加密盘创建在某个文件上,此时点击“选择文件”,然后输入一个任意文件名即可。

  点击“下一步”后,提示用户选择加密算法,建议选择“AES”比较好,其他均为默认设置即可,点击“下一步”后,然后会提示输入密盘大小,根据硬盘分区容量及个人存储需要,在空白处输入加密盘的存储容量,接着输入加密卷的密码,也可以点“使用密钥文件”生成便于使用闪存、移动硬盘使用的密钥文件,在“加密卷格式化”中选择文件系统,最后点“格式化”开始创建虚拟磁盘。

  使用虚拟加密盘

  创建完虚拟磁盘后,会在硬盘分区中出现一个虚拟磁盘文件,此时还不能使用,必须对它进行加载后才能存储数据,方法是:在软件主界面中点击“选择文件”,然后打开刚才创建的虚拟磁盘文件,用鼠标右键点击H盘符,选择“载入选择的加密卷”,此时会出现加密卷信息,然后就会在“我的电脑”中出现一个“本地磁盘(H)”盘符,并显示了它可以存储的容量。

  使用时,将需要保护的文件拷贝到H盘中,关闭该虚拟磁盘,使用右键单击系统托盘区上TrueCrypt图标,然后选择“卸载H:”X选项,再退出TrueCrypt软件即可。下一次使用虚拟加密盘时,须再次运行TrueCrypt软件,按照前面的方法加载虚拟磁盘文件,而且还必须输入设置的加密密码,否则无法使用H盘中的文件,这样就实现了硬盘或移动存储设备中的数据保护,解决了商务用户因数据被盗带来的损失。

  知识扩展:

  TrueCrypt是一款免费的PC数据加密软件,支持Vista和Linux系统,可以在硬盘或闪存上创建一个或多个虚拟磁盘,所有虚拟磁盘上的文件都被自动加密,加密后需要通过密码来进行访问,由于加入了AES-256加密算法,使得加密数据几乎不可能被,对于没有商务安全功能的普通电脑,或者不舍得购买加密闪存的商务用户,TrueCrypt可以让他们的数据存储安全可靠。

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