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  2. Luhn algorithm - Wikipedia

    en.wikipedia.org/wiki/Luhn_algorithm

    Luhn algorithm. The Luhn algorithm or Luhn formula, also known as the " modulus 10" or "mod 10" algorithm, named after its creator, IBM scientist Hans Peter Luhn, is a simple check digit formula used to validate a variety of identification numbers. It is described in US patent 2950048A, granted on 23 August 1960. [ 1]

  3. Carding (fraud) - Wikipedia

    en.wikipedia.org/wiki/Carding_(fraud)

    Carding (fraud) Carding refers not only to payment card based fraud, but also to a range of related activities and services. Carding is a term of the trafficking and unauthorized use of credit cards. [ 1] The stolen credit cards or credit card numbers are then used to buy prepaid gift cards to cover up the tracks. [ 2]

  4. Credit card fraud - Wikipedia

    en.wikipedia.org/wiki/Credit_card_fraud

    A fake automated teller slot used for "skimming". Credit card fraud is an inclusive term for fraud committed using a payment card, such as a credit card or debit card. [ 1] The purpose may be to obtain goods or services or to make payment to another account, which is controlled by a criminal. The Payment Card Industry Data Security Standard ...

  5. Virtual credit card numbers — a free way to throw ... - AOL

    www.aol.com/news/virtual-credit-card-numbers...

    A virtual credit card allows you to mask your real number with disposable ones.

  6. Missed Alarms and 40 Million Stolen Credit Card Numbers: How ...

    www.aol.com/news/2014-03-14-missed-alarms-stolen...

    On Saturday, Nov. 30, the hackers had set their traps and had just one thing to do before starting the attack: plan the data's escape route. As they uploaded exfiltration malware to move stolen ...

  7. Recognize a hacked AOL Mail account - AOL Help

    help.aol.com/articles/recognize-a-hacked-aol...

    If you think your account has been compromised, follow the steps listed below to secure it. 1. Change your password immediately. 2. Delete app passwords you don’t recognize. 3. Revert your mail settings if they were changed. 4. Ensure you have antivirus software installed and updated.

  8. Card security code - Wikipedia

    en.wikipedia.org/wiki/Card_security_code

    A card security code ( CSC; also known as CVC, CVV, or several other names) is a series of numbers that, in addition to the bank card number, is printed (but not embossed) on a credit or debit card. The CSC is used as a security feature for card not present transactions, where a personal identification number (PIN) cannot be manually entered by ...

  9. Afraid Your Credit Card Data Was Hacked? Here's What to ... - AOL

    www.aol.com/2012/04/02/afraid-your-credit-card...

    No one likes to hear that their bank, credit card issuer, transaction processor, or any of the merchants they've used who issue plastic has been hit with a security breach. In the latest hack attack,