For some reason, Quora is crammed full of people who want to steal credit card numbers, and none of them are the least bit subtle about it: a typical question might be “I don’t have my card with me. How can I look it up online?” No merchant who expects to pass a security audit ever posts numbers anywhere where they can be found, and people with actual cards seldom leave them at home, so this is obviously some sort of phishing expedition. Members of the answering corps grow increasingly weary of these things, but the crooks aren’t about to let up. In fact:
What are some good sites or apps for generating fake debit/credit card numbers that match major card companies real number patterns so I can test my app?
A whole lot of people need to go to jail for this one: both the questioner, and anyone who’s ever written a generator.