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  2. Automated Customer Account Transfer Service - Wikipedia

    en.wikipedia.org/wiki/Automated_Customer_Account...

    Automated Customer Account Transfer Service (ACATS) is an almost entirely electronic system in the United States that executes the transfer of financial securities from a trading account at one institution to the trading account at another. ACATS was developed by the National Securities Clearing Corporation (NSCC), now a subsidiary of ...

  3. Payment card number - Wikipedia

    en.wikipedia.org/wiki/Payment_card_number

    Payment card numbers are composed of 8 to 19 digits, [1] The leading six or eight digits are the issuer identification number (IIN) sometimes referred to as the bank identification number (BIN). [2]: 33 [3] The remaining numbers, except the last digit, are the individual account identification number. The last digit is the Luhn check digit.

  4. 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]

  5. ISO/IEC 7812 - Wikipedia

    en.wikipedia.org/wiki/ISO/IEC_7812

    ISO/IEC 7812 has two parts: The registration authority for Issuer Identification Numbers (IINs) is the American Bankers Association. An IIN is currently six digits in length. The leading digit is the major industry identifier (MII), followed by 5 digits, which together make up the IIN. This IIN is paired with an individual account ...

  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. What Do Credit Card Numbers Mean? - AOL

    www.aol.com/credit-card-numbers-mean-000019202.html

    A credit card number is the set of digits printed on either the front or back of a physical credit card. Credit card numbers are often 16 digits, but they can be as long as 19 digits or as short ...

  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. Tokenization (data security) - Wikipedia

    en.wikipedia.org/wiki/Tokenization_(data_security)

    Tokenization, when applied to data security, is the process of substituting a sensitive data element with a non-sensitive equivalent, referred to as a token, that has no intrinsic or exploitable meaning or value. The token is a reference (i.e. identifier) that maps back to the sensitive data through a tokenization system.