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Encryption is used to code an email so that it cannot be read or tampered with. Recipients of an encrypted email can verify the identity of the sender and know that the information contained in the message has not been intercepted or changed. Because the recipient can verify the identity of the sender, encryption also provides authentication. A digital signature is legally binding and cannot be repudiated or forged.
The sender and recipient use a key pair: a private key and a public key. The public key encrypts the message and the recipient uses the matching private key and password to decrypt it. Email encryption is used today for both business and personal reasons. The Internet is a public network and when you send information such as bank account data, passwords, social security numbers, or any kind of private data without encryption, you cannot guarantee that it will remain private unless that message is encrypted.
VeriSign is the leading secure sockets layer (SSL) Certificate Authority enabling secure e-commerce and confidential communications for Web sites, intranets, and extranets. Our Digital IDs provide an electronic means of verifying your identity, a security measure increasingly used in email communications and Web-based applications.
| Digital IDs for Secure Email | Installed in your Web browser or email software, a Digital ID digitally signs and encrypts emails and attachments.. |
| Digital IDs for Secure Instant Messaging | Installed in your AOL Instant Messenger software, a Digital ID digitally signs and encrypts your AOL IMs. |
| Adobe® Certified Document Services | Allows authors to create Adobe® Portable Document Format (PDF) files that automatically certify to the recipient that the author's identity has been verified by a trusted organization, and that the document has not been altered in any way. |
| Trusted Messaging | Enterprise Digital ID for Microsoft Exchange and Lotus Domino/Notes installations to encrypt and digitally sign enterprise email and instant messages. |
