Cybersecurity Expert

Introduction Online shopping digital payment transactions may seem quite simple, but in reality, just one single transaction sets off multiple, long-chain reactions. The Payment Card Industry comprises debit cards, credit cards, prepaid, e-purse/e-wallet, and POS payment transactions that enable easy payment transactions for consumers. However, the card scheme is a popular payment transaction process which is also a central payment network that uses credit and debit cards to process payments.  The card scheme comes in two variants namely the Three-Party Scheme and the Four Party Scheme payment model. The Four Corner Model also popularly known as Four-Party Scheme is the model under which most of the payment systems in the world operate. It is used in almost all standard card payment systems around the globe. So, explaining in detail the payment model, we have shared details on how the Four Corner Model works while also explain the role of every entity involved in it The Payment Ne...

The most important and integral part of any data security begins with having firewalls installed in the environment. Not just that, installing firewalls is an essential requirement of the Payment Card Industry Data Security Standard (PCI DSS ). However, simply installing a firewall on the network perimeter will not make your organization PCI DSS compliant. PCI DSS draws out specific requirements pertinent to firewalls under requirement 1 and its sub-requirements on how firewalls should be installed, updated, maintained along with other firewall rules. Elaborating more on this, we have explained in this article basic PCI DSS firewall requirements, and the need for small businesses to install firewalls. But before getting into the details of it, let us first understand the meaning of a PCI DSS compliant firewall. What is a PCI DSS Compliant Firewall? Firewalls are used to segment or isolate networks and are an essential component to   limit cyber threats and protect internal networks...