How to encrypt your chats using iChat (secure Insant Messaging, Secure IM)
1. Open iChat
2. Go to the pull down menu titled iChat
3. Select Preferences
4. Select the Accounts icon
5. Select the Security tab (the middle one, between Account Information and Server Settings)
6. Click the Enable button next to the message about encryption status
7. You’re set! Be sure the people with whom you’re IMing also have setup their security.
Note that these instructions assume you’re using .Mac.
