Estonia NIS2: amended Cybersecurity Act applies to ~6,500 entities
The Küberturvalisuse seaduse ja teiste seaduste muutmise seadus (transposing NIS2) was passed by the Riigikogu on 10 December 2025, proclaimed by the President on 18 December 2025, published in Riigi Teataja on 30 December 2025, and entered into force on 1 January 2026, expanding scope from roughly 3,000 to about 6,500 regulated entities.
Medium and large Estonian companies in NIS2 sectors (energy, transport, banking, health, water, digital infrastructure and ICT services, manufacturing of critical goods, food, chemicals, postal, waste, research), plus certain smaller providers designated by RIA.