What is ARQC in SAP IS-R-POS - Point of Sale?

SAP Term: ARQC

• Component: IS-R-POS

• Component Name: Point of Sale

• Description: ARQC cryptogram is a special code provided by a chip card during an Electronic Funds Transfer EFT transaction to be sent to the EFT provider to verify the authenticity of the card.

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• Key Concepts: 
  ARQC stands for Authorization Request Cryptogram and is a type of cryptogram used in the IS-R-POS Point of Sale (POS) system. It is a security measure used to protect cardholder data and prevent fraud. ARQC is generated by the POS terminal and sent to the card issuer for authorization. The card issuer then sends back an authorization response, which includes the ARQC cryptogram. 
  
  How to use it: 
  The ARQC cryptogram is used to authenticate the cardholder's identity and verify that the transaction is legitimate. The POS terminal will generate an ARQC cryptogram for each transaction and send it to the card issuer for authorization. The card issuer will then send back an authorization response, which includes the ARQC cryptogram. The POS terminal will then compare the ARQC cryptogram sent by the card issuer with the one generated by the POS terminal. If they match, then the transaction is authorized. 
  
  Tips & Tricks: 
  It is important to ensure that the ARQC cryptogram generated by the POS terminal matches the one sent back by the card issuer in order to ensure that the transaction is legitimate. Additionally, it is important to keep up-to-date with any changes or updates to the IS-R-POS Point of Sale system in order to ensure that your system is secure and up-to-date with current security measures. 
  
  Related Information: 
  The ARQC cryptogram is part of a larger security system known as EMV (Europay, Mastercard, Visa). EMV is a global standard for authenticating credit and debit card transactions and helps protect against fraud. Additionally, EMV also helps protect against data breaches by encrypting sensitive data such as credit card numbers and expiration dates.