Go to a prminent online electronic commerce site like Amazon.com. Choose several items for shopping cart. Go to check out. When you get to screen that asks for credit card number (Do not enter personal information), right-click on Web browser and select "Properties." What can you determine about cryptosystems and protocols in use to protect this transaction?
Repeat above on different Web site. Does this site use similar or different protocols? Explain them. Illustrate other Web Site's URL.