Stop your computer from automatically logging in to an account
Make your computer automatically login to a specified user account
An introduction into the Security Pane - Make your computer more security
How to Open the System Preferences in Mac OS X Leopard
IF you want to lock the computer, you can enable a menu bar icon allowing you to do so
Disable the Apple Remote Control from having an effect on your computer
Enable the Security Vault - encrypt your personal data
Change the Master Password for the Security Vault
Turn off the File Vault
Have your computer log out after a specified time of inactivity
Password protect the System Preferences, stop people from changing setting without an Administrator account
Password protect your system using a password protected screen saver
Use secure virtual memory to protect information stored in memory
