October 2012
Intermediate to advanced
1176 pages
27h 33m
English
Content preview from Windows 8 Bible
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Using BitLocker Drive Encryption
File History and System Protection ensure the availability of your files, in that they allow you to restore lost or damaged files by restoring from a backup copy. BitLocker drive encryption isn’t about availability. It’s about confidentiality. If your notebook computer is lost or stolen, that’s certainly a bad thing. But if it contains confidential personal, client, or patient information, that’s even worse. BitLocker drive encryption ensures that lost or stolen data can’t be read by prying eyes.
Tip
BitLocker differs from the Encrypting File System (EFS) in that EFS encrypts individual folders and files, whereas BitLocker encrypts the whole disk.
BitLocker drive encryption works by encrypting all the data on a hard drive. With BitLocker drive encryption active, you can still use the computer normally. All the necessary encryption and decryption takes place automatically behind the scenes. But a thief would be unable to access data, passwords, or confidential information on the drive.
Tip
BitLocker drive encryption ensures the confidentiality of data stored in portable computers.
BitLocker hardware requirements
BitLocker drive encryption uses an encryption key to encrypt and decrypt data. That key must be stored in a Trusted Platform Module (TPM) Version 1.2 microchip and compatible BIOS. Only newer computers come with the appropriate hardware preinstalled. You’ll also need a USB flash drive to store a copy of the password.
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.