What is NIS2?
NIS2 (Network and Information Security Directive 2) is an EU directive imposing cybersecurity requirements on essential and important entities — including energy, transport, health, finance, IT sectors, and public administration.
NIS2 + AI = dual requirement
Companies using AI in NIS2-covered infrastructure must meet both requirement sets: NIS2 (infrastructure cybersecurity) and AI Act (AI system safety and transparency). AI systems in critical infrastructure are by definition "high-risk" under the AI Act.
Practical requirements
Organizations must: conduct regular AI security audits, implement incident management (24h reporting), secure the AI supply chain (models, training data, APIs), ensure business continuity (backup, disaster recovery for AI systems), and maintain compliance documentation combining both regulatory frameworks.