If you decide to go about using a credit card number generator to verify or confirm something in an online security check, then you should be smart about how you go about using this credit card number. First, you should note that using false credit card information generated by a credit card processing services to make actual payments on an online site is a very serious offense. People have been prosecuted before for using credit card numbers made by a credit card number generator to purchase things. You should be smarter than them, and not go the same way.
If you’re still going to use a credit card number generator then make sure it is only utilized for verification, and testing processes. A good case in which you could legitimately use a credit card number generator is if you’re opening an online service, or an online purchase site, and you’d like to protect yourself from possible con artists, and scammers that will attempt to use fake credit card numbers made with a credit card number generator to get past your site’s security, and unlawfully obtain your goods and services free of charge. You find yourself in a sort of fight fire with fire situation, where you need to resort to the same tactics as the bad guys in order to be able to protect yourself from their clutches.