>> If you had this feature turned on, and you logged out of your session >> and set your iBook down somewhere and a thief picked it up, he could >> not decrypt your data no matter what. Of course if you are going to encrypt the volume you don't want to have your book startup and log in without your entering your password and also you don't want to store the password in your keychain. This might not happen but could one not imagine, without having tested it, that setting your computer to log in automatically and storing your password in your keychain could just bypass all of this security? Time and tests will tell. --- A great site for editorial cartoons: <http://cagle.slate.msn.com/> <http://www.JackRodgers.com> <http://www.lobatelacscale.com> JackRodgers at earthlink.net