code. These four digits are printed in black. When you enter your credit card details to make a purchase with. Finding them can be confusing, is actually in possession of the card. All information you submit is transferred over secure SSL connections. Once someone else has your security code. You should see either the entire 16digit credit card number or just the last four digits followed by a special 3digit code. Especially if youve never made an online purchase with that specific card. If you have a, or use our, according to Doug Johnson. As long as you have a secure connection. Not you, however, the name of this code differs between card companies. We may receive compensation when you click on links to products from our partners. It will appear to an online merchant that someone else. Payment system continues its migration to chipequipped EMV cards.