Using Windows 7 features its own USB hard drive data protection
mobile hard drive smaller and the trend of greater capacity, making more and more sensitive data has been stored in them above, so how better to protect the security of these data has become a very pressing issue.
In the initial launch of Windows Vista, Microsoft said the new operating system, a very large security feature is BitLocker, the design of this hard disk encryption to protect sensitive data from unauthorized access.
BitLocker To Go working principle
Simple example, BitLocker To Go allows you to encrypt a USB hard drive, when you connect a USB hard drive to a computer when Windows 7 will be prompted to enter your password only after the correct password can access it above information.
In the process of encryption, Windows 7 in the USB hard drive installed on a dedicated reader. When you connect a USB hard drive to run XP or vista computer, BitLocker To Go readers will be responsible for prompt to enter a password, and then the USB hard drive is set to a read-only devices.
For Enterprise users, if you are using a domain control system, IT administrators can configure policies to require users to write data to a mobile hard drive BitLocker protection prior to application. In addition, the strategy can also set password complexity requirements.
BitLocker To Go to use hard disk encryption
In a USB hard disk set up BitLocker To Go is very simple, you insert a USB hard disk, right-click on the letter from the menu, select Open BitLocker command, as shown in Figure 1.
Figure 1, open the BitLocker feature
Click the above order, BitLocker To Go will begin to initialize your USB hard drive, as shown in Figure 2. The process does not undermine the existing data on your hard disk, so you not have to worry about.
Figure 2, BitLocker To Go to initialize USB hard drive
Once the initialization process is complete, BitLocker To Go you will be prompted to set up a one to unlock the hard drive password, as shown in Figure 3. If you have a smart card, you can also use its PIN code to unlock the hard disk.
Figure 3, you can use a password or smart card to unlock BitLocker To Go protection equipment
Set up a password, or after the use of smart cards, BitLocker To Go feature you will be prompted to store style = "COLOR: # 000000" href = "http://storage.it168.com/" target = _blank> a resumption of key storage, such as as shown in Figure 4. Through it, you can forget your password or lost when the smart card to unlock your hard drive.
Figure 4, the creation of the restoration of key
When you create a password and save the key to resume, the system will prompt you to start the process of encryption, as shown in Figure 5.
Figure 5, indicating the beginning of the process of encryption
In the encryption process, you will see the progress of a standard encryption monitor, as shown in Figure 6. According to the hard disk of different sizes, the process used at different times. You can suspend the button below to a temporary interruption of the process of encryption.
Figure 6 shows the progress of encryption
Of course, once the completion of encryption, BitLocker To Go will display a confirmation dialog box, at the same time modify the display of USB mobile hard disk icon, as shown in Figure 7.
Figure 7, the mobile hard disk icon change
Windows 7 to use the encrypted hard drive
When you insert the Windows 7 system to use BitLocker To Go encrypted hard drive, the system will immediately prompt you to enter a password, as shown in Figure 8. You can choose whether to enter the characters display an asterisk, as well as the option in the current after the computer automatically unlock the hard disk.
Figure 8, enter the password prompt
Enter the password to unlock button clicks, you'll see the AutoPlay window, as shown in Figure 9. Click Open folder to view files button, you will be able to access the contents of the hard disk.
Figure 9, auto play box
In Windows XP / Vista to use the hard drive is encrypted
Windows XP or Vista in the next insert the hard drive encrypted, you will see a box automatically prompts you to install player BitLocker To Go readers, as shown in Figure 10. Click the button, will automatically install and run the reader.
Figure 10, prompts to install BitLocker To Go reader
BitLocker To Go and read the dialog box you will be prompted to enter a password, as shown in Figure 11. It should be noted that here there is no option to automatically unlock.
Figure 11, enter the password prompt
Enter a password, you will see the BitLocker To Go Reader window, as shown in Figure 12.
Figure 12, BitLocker To Go reader window
When you double-click the file, it will be prompted to copy your files to the desktop, as shown in figure 13, that is to say you can not directly open files on USB hard drive.
Figure 13, can not directly open the file
If you try to copy a file to read BitLocker To Go in the browser window, you will receive an error message as shown in Figure 14.
Figure 14, error
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