PCI DSS 4.0 introduces 64 new requirements—13 effective immediately and the rest by March 2025—marking a major shift toward continuous compliance and risk-based security. It empowers organizations to choose how they meet objectives but demands documented proof of effectiveness. Key updates include stronger encryption, MFA, bot and client-side protection, API security, and DDoS mitigation. This guide explains the timeline, impact, and technology strategies to ensure compliance. Imperva’s integrated security solutions can help streamline the process and reduce risk across the payment ecosystem.

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