Your History, favorite's folders and private information : passwords, credit card numbers, social security number etc. ; can expose a lot of your private information that you would like to protect. Also, Personal interests sites, banking information, stocks you monitor on line bidding, and aucations you are tracking, your surfing habits both on and off the web. this information can be available to any one who opens your favorite and history folders, be he/she a relative, coworker or some one passing by. TZ Privacy Gaurd lets you encrypt and lock your IE favorite and history folders. This does not affect within explorer other folders that are unlocked