Organizations across the payment card industry (PCI) often face challenges meeting evolving compliance standards. One of the most complex updates in the latest PCI DSS framework is Requirement 6.4.3, which focuses on change management and security validation. For e-commerce businesses especially, maintaining compliance requires careful planning, continuous monitoring, and adaptable security controls.

Is your organization prepared to comply with PCI DSS 6.4.3? Request a consultation with RSI Security to strengthen your compliance posture and protect sensitive payment data.

Organizations that process credit card payments must follow the Payment Card Industry Data Security Standard (PCI DSS)a global framework designed to protect cardholder data from breaches and fraud. One of the key requirements is implementing a strong account lockout policy. This security control helps prevent unauthorized access, reduces the risk of brute-force attacks, and strengthens overall system integrity.

In this article, we explain how to create an effective PCI DSS account lockout policy, how it aligns with PCI DSS v4.0 requirements, and why it is essential for a PCI-compliant information security program.