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  2. What is a credit card security code? - AOL

    www.aol.com/finance/credit-card-security-code...

    Mastercard and Visa: Three digits on the back of the card at the right end of the signature field. Discover: Three digits on the back of the card, inside a box to the right of the signature field.

  3. Card security code - Wikipedia

    en.wikipedia.org/wiki/Card_security_code

    The card security code is located on the back of Mastercard, Visa, Discover, Diners Club, and JCB credit or debit cards and is typically a separate group of three digits to the right of the signature strip On American Express cards, the card security code is a printed, not embossed, group of four digits on the front towards the right

  4. 3-D Secure - Wikipedia

    en.wikipedia.org/wiki/3-D_Secure

    Services based on the protocol have also been adopted by Mastercard as SecureCode (later rebranded as Identity Check), by Discover as ProtectBuy, [3] by JCB International as J/Secure, and by American Express as American Express SafeKey. [4] Later revisions of the protocol have been produced by EMVCo under the name EMV 3-D Secure. Version 2 of ...

  5. Secure Electronic Transaction - Wikipedia

    en.wikipedia.org/wiki/Secure_Electronic_Transaction

    Secure Electronic Transaction (SET) is a communications protocol standard for securing credit card transactions over networks, specifically, the Internet.SET was not itself a payment system, but rather a set of security protocols and formats that enabled users to employ the existing credit card payment infrastructure on an open network in a secure fashion.

  6. List of websites blocked in Russia - Wikipedia

    en.wikipedia.org/wiki/List_of_websites_blocked...

    IPs associated with Amazon Web Services and Google Cloud Platform are included in the block, due to Telegram's use of these platforms; this measure resulted in collateral damage due to usage of the platforms by other services in the country, including retail, Mastercard SecureCode, Mail.ru's TamTam messaging service, Twitch, and many other ...

  7. Merchant plug-in - Wikipedia

    en.wikipedia.org/wiki/Merchant_plug-in

    A merchant plug-in (MPI) is a software module designed to facilitate 3-D Secure verifications to help prevent credit card fraud. [1] The MPI identifies the account number and queries the servers of the card issuer (Visa, MasterCard, or JCB International) to determine if it is enrolled in a 3D-Secure program and returns the web site address of the issuer access control server (ACS) if it is ...

  8. Mastercard - Wikipedia

    en.wikipedia.org/wiki/Mastercard

    Mastercard Inc., stylized as MasterCard from 1979 to 2016 and as mastercard from 2016 to 2019, is an American multinational payment card services corporation headquartered in Purchase, New York. [3] It offers a range of payment transaction processing and other related-payment services (such as travel-related payments and bookings).

  9. Strong customer authentication - Wikipedia

    en.wikipedia.org/wiki/Strong_customer_authentication

    The European Banking Authority published an opinion on what approaches could constitute different "elements" of SCA. [3]3-D Secure 2.0 can (but does not always [3]) meet the requirements of SCA. 3-D Secure has implementations by Mastercard (Mastercard Identity Check) [8] and Visa [9] which are marketed as enabling SCA compliance.