Jim,
Check out: http://www.microsoft.com/TechNet/prodtechnol/winxppro/reskit/prnb_efs_lagh.asp?frame=true
But, basically, you just right click the folder in windows explorer, go to properties/Web Sharing, allow it to be shared, and then just set up permissions.

>Hello,
>
>I am running a personal website and have some critical data on it. I don't want any Tom, Dick or Harry hacker to have access to it so I would like to make it secure. Can anyone lead me in the right direction by explaining how or leading me to an article or something?