Microsoft® Windows® Security: Essentials

Chapter 10

• Symmetric encryption uses a single key for encryption and decryption. Asymmetric encryption uses two keys (a public key and a private key) for encryption and decryption.
• Answers will vary. The capability is often available for users within organizations but not available by default for home users. In Outlook 2010, you can use the following steps:

1. Create a new email. Enter a To address.

2. Select the Options tab, and click More Options.

3. Click the Security Settings button.

4. Click the Change Settings button.

5. Click Choose next to the Signing Certificate. If a certificate is available that is associated with your email address, you can select it and digitally sign emails.

• You can use the steps in the “Understanding EFS” section ...