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# EU aviation cybersecurity rule Part-IS becomes binding across airlines
- URL: https://sovereigntymonitor.eu/news/2026-02-22-easa-part-is-applicable/
- Published: 2026-02-22T12:00:00.000Z
- Updated: 2026-09-01T10:51:07.000Z
- Description: Commission Implementing Regulation (EU) 2023/203, EASA's Part-IS, became applicable across the EU to airlines, maintenance organisations, training bodies and air navigation providers, requiring a formal information security management system for aviation safety risks.
- Author: Reidar Balstad
- Tags: Policy and law, #news, #verified

Verified [EUR-Lex, Commission Implementing Regulation (EU) 2023/203, consolidated text applicable from 22 February 2026](https://eur-lex.europa.eu/legal-content/EN/TXT/HTML/?uri=CELEX%3A02023R0203-20260222&ref=sovereigntymonitor.eu)

**What it does not test.** Does not certify that any individual organisation has actually met the new requirement.

**How this item counts.** Towards autonomy: it changes whose law governs. Binding 3 of 3 (in force or operating), scale 3 of 3 (large), Verified counts in full: weight +9 of 36 possible. EU cybersecurity rule now in force EU-wide across airlines and ANSPs. [European Sovereignty Index](https://sovereigntymonitor.eu/sovereignty-index/)