VISA International Service Association (hereinafter referred to as VISA) is a global payments technology system enabling consumers, businesses, banks and governments to use digital currency.
The association consists of two companies: Visa Inc. (San-Francisco, USA) and Visa Europe Services Inc. (London, GB). Visa Europe Services Inc. manages European banks and holds all Visa Inc. licenses including the rights to the branding and technologies applied.
Visa has invested in chip, tokenization, point-to-point encryption technologies to reduce payment fraud around the world providing secure platforms for Visa Checkout, Visa Token Service and Mobile Payments.
Visa Threat Intelligence, Powered by FireEye: Designed for the payments industry to deliver real-time threat information to merchants and issuers about possible cyber-attacks utilizing API’s and advanced

MasterCardV is an international payment system offering a wide range of financial card products for both individuals and legal entities including MasterCard Electronic, MasterCard Standard, MasterCard Gold, MasterCard Platinum, MasterCard Cirrus, MasterCard Maestro.
Security benefits include Zero Liability protection, MasterCard ID Theft Protection and MasterCard chip technology using invisible authentication technology.
Merchant processing blends two distinct processing structures – distributed (peer-to-peer) and centralized (hub-and-spoke) ensuring that payments are completed quickly and securely.

American Express (AmEx) is the largest American multi-business company issuing cards of different categories including American Express Card, American Express Gold Card and American Express Platinum Card.
American Express provides payment, travel and expense management solutions for individuals and businesses of all sizes and are the world’s largest card issuer by purchase volume.

China UnionPay also known as UnionPay or by its abbreviation, CUP. UnionPay cards can be used in 141 countries and regions around the world, making it the second-largest payment network by value of transactions processed, behind Visa.
UnionPay International (UPI) is a subsidiary of China UnionPay in partnership with more than 400 institutions worldwide, UnionPay International has enabled card acceptance in over 150 countries and regions with issuance in more than 40 countries and regions.
Some UnionPay credit cards are also affiliated with American Express, MasterCard or Visa, and they can be used abroad as an American Express, MasterCard or Visa. UnionPay is in negotiation with Discover and has announced a partnership with Paypal.
UnionPay Online Payment provides access to global acceptance network, serves UnionPay cardholders across the world, and offers comprehensive merchant service. UnionPay Online Payment Service covers 10 million online merchants in Hong Kong, Macau, Taiwan, Japan, Korea, Southeast Asia, North America, Europe, Australia, etc., including brand merchants, hotels, airports, universities and other places frequently visited by consumers.

The PCI Security Standards Council is an open global forum for the ongoing development; enhancement, storage, dissemination and implementation of security standards for account data protection including the requirements of Data Security Standard (PCI DSS) itself, Payment Application Data Security Standard (PA-DSS) and PIN Transaction Security (PTS).

img_the_pic_security PCI DSS (Payment Card Industry Data Security Standard) is a data security standard developed by the PCI Security Standards Council for the payment cards system and cover everything from the point of entry of card data into a system, to how the data is processed, through secure payment applications.