Last Updated on June 19, 2026 by Narendra Sahoo
Firewalls form the foundation of network security for any organization to secure its critical IT infrastructure against any cyber threats online. So, firewalls are a critical part of an organization’s cybersecurity program. PCI Council also mandates the need for implementing firewalls to organizations dealing with sensitive cardholder data online. The PCI DSS Compliance outlines in its 12 requirements the need for implementing firewalls to secure systems and networks against cyber threats online. Elaborating about the PCI DSS Firewall Requirements in detail we have shared an illustrative blog describing the firewall requirements of PCI DSS and what an organization is expected to do it comply with the requirements.
Narendra Sahoo (PCI QSA, PCI SSFA, CISP, CISA, CRISC, 27001 LA) is the Founder and Director of VISTA InfoSec, a global information security consulting firm. With 21 years of experience in information security consulting, assessment and compliance services, Narendra has helped organizations address complex cybersecurity and regulatory requirements across global markets.
