Electronic payment is a necessity in today's world. The impact of the COVID-19 pandemic also let the e-commerce industry grow rapidly. At this point, payment card security is a must to fight against cyberattacks, breaches, fraud, etc. PCI DSS is an information security standard for organizations that handle credit cards from the major card schemes. It is mandated by the Payment Card Industry Standards Council. Emrah Elmas, Director of 24 Solutions Turkey is going to mention the importance of PCI DSS and as a PCI DSS QSA, share his experience on getting compliant with it.