The Payment Card Industry Data Security Standard (PCI DSS) 4.0, released in March 2022, updates global requirements for securing cardholder and authentication data. Key changes include mandatory multi-factor authentication for all system access, flexible security validation, and targeted risk analyses. Thales OneWelcome Identity Platform supports compliance through centralized identity management, contextual and multi-factor authentication, audit logging, and access control. It ensures each user has unique credentials, enforces least-privilege access, and integrates with SIEM systems for continuous monitoring. These capabilities help organizations reduce fraud, maintain compliance, and protect sensitive payment information.

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