Cross-regulatory comparison

AI Act vs NIS2: What Companies Subject to Both Regulations Must Know

Side-by-side comparison of scope, obligations, penalties, and timelines. Based on 306,000+ regulatory documents.

days until AI Act enforcement

August 2, 2026

Side-by-side comparison

Dimension	AI Act	NIS2 Directive
Scope	AI systems in the EU market	Essential and important entities in critical sectors
Penalties	Up to EUR 35M or 7% global turnover	Up to EUR 10M or 2% global turnover
Timeline	Full enforcement August 2, 2026	National transposition deadlines through 2026

Where they overlap

AI systems in critical infrastructure (energy, transport, health, digital) fall under both. NIS2 cybersecurity requirements apply to AI system security. Incident reporting under both frameworks.

Which takes priority

AI Act for AI-specific obligations. NIS2 for cybersecurity and incident reporting. Both for AI in critical infrastructure.

Practical advice

Companies subject to both AI Act and NIS2 Directive should:

Map which AI systems fall under each regulation's scope
Identify where requirements overlap and can be fulfilled jointly (e.g., risk assessments, documentation)
Designate a single compliance lead who understands both frameworks
Use the stricter standard where both apply to the same obligation
Build a unified compliance timeline working backward from August 2, 2026

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