CHASE Visa has an alert system that send me a email and a phone message telling me about the purchase within minutes of the purchase. Love this service. Also, when ordering online, as soon as you hit submit on your order go to tools on the menu, Internet Options link, then Content, Then Clear SSL, Hit that button and then OK. This will clear your information from the internet right after your purchase, otherwise it stays out there for anyone to access...for a while.