Table of Contents
- Introduction
- Belgium - The Head Start (4 Level Architecture, Control Counts, ISO27002 clusters, What are key measure and why do they matter, self-assessment)
- France - The Thorough Approach (The objective and means architecture, still waiting for the law, ISO Alignement ANSSIs own assessment
- ISO27002 Mapping as a common Anchor
- The Divergences
- Practical Impliaction
Part I: Introduction - One Directive, Two Answers
When the EU adopted NIS 2 (Directive 2022/2555) in December 2022, it set a clear expectation: member states had until October 17, 2024 to transpose its requirements into national law. What followed, at least across the Franco-Belgian border, is a study in contrasting regulatory cultures, institutional histories, and practical philosophies.
NIS 2 expanded covered sectors from 7 to 18, lowered size thresholds, made supply chain security and multi-factor authentication explicit obligations, and - most significantly - introduced Article 21's detailed list of required risk management measures. What the directive deliberately does not do is specify how each measure should be implemented. That granularity was left to member states, producing genuine policy diversity: two technically credible frameworks that are compatible at the technical level but structurally different in regulatory philosophy, timing, and practical demands.
The timeline below tells the story at a glance. Belgium formalised an existing, mature framework and published its official cross-framework mapping nine months before the deadline. France is still working through its legislative process 18 months after that same deadline.



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