c/side Media Alert: What E-Commerce Businesses Must Know About Recent PCI DSS Updates
SAN FRANCISCO, Feb. 06, 2025 (GLOBE NEWSWIRE) -- c/side, a cybersecurity company with tools for monitoring, optimizing, and securing vulnerable browser-side third-party scripts, today highlighted new self-attestation requirements introduced in recent PCI updates ahead of the March 31, 2025, compliance deadline.
The Payment Card Industry Security Standards Council (PCI SSC) introduced significant changes to Self-Assessment Questionnaire A (SAQ A) on January 30, 2025. While SAQ A has traditionally offered a simplified compliance path for low-risk merchants not storing cardholder data, the update adds a crucial requirement: merchants must now confirm their e-commerce systems are protected against client-side script attacks to maintain their SAQ A qualification status.
'E-commerce businesses must now self-attest that their site is secure against client-side web script attacks,' said Simon Wijckmans, CEO and founder, c/side. 'This change presents compliance challenges, especially for merchants relying on third-party payment providers, as many lack the expertise to assess client-side risks. Without the right protections, they may no longer qualify for SAQ A. The best way to ensure PCI DSS 4.0.1 compliance is to continuously monitor the client-side environment in real-time and stay ahead of evolving threats.'
What e-commerce merchants must know:
Critical March 31 deadline: Merchants must verify (and attest to) their protection against client-side attacks to maintain SAQ A qualification under PCI DSS v4.0.1.
Expanded merchant responsibility: While requirements 6.4.3 and 11.6.1 are no longer mandatory, merchants must now actively demonstrate client-side security measures.
Hidden vulnerabilities in modern e-commerce: Third-party payment providers do not automatically protect against script manipulation, leaving payment data exposed to sophisticated attacks.
Escalating risk environment: Client-side attacks have been rising fast and affecting merchants both large and small.
Additional resources:
c/side blog with more detail: PCI SSC Updates SAQ A for PCI DSS 4.0.1 – What you need to know
c/side press release on PCI compliance capabilities: c/side Launches PCI Compliance Dashboard for New PCI DSS 4.0.1 Requirements
PCI Security Council blog: Important Updates Announced for Merchants Validating to Self-Assessment Questionnaire A
About c/side
c/side is a forward-thinking cybersecurity startup focused on browser-side detection and protection. Led by industry expert Simon Wijckmans, c/side is pioneering technologies to shield against sophisticated cyber threats, ensuring unparalleled security standards for users across the web.
ContactKyle Petersonkyle@clementpeterson.com
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