---
title: "Article 1 Subject matter — Implementing Regulation (EU) 2023/203, Part-IS · Avioverse"
description: "This Regulation sets out the requirements to be met by the organisations and competent authorities in order:"
url: "https://avioverse.aero/regulations/easa/part-is/implementing-regulation-eu-2023-203/cover-regulation-to-implementing-regulation-eu/article-1"
---

# Article 1 Subject matter

Implementing Regulation (EU) 2023/203 · Regulations (EU) 2023/203 and 2022/1645 · EAR revision 5 Dec 2025

IR Implementing rule

## Article 1 Subject matter

This Regulation sets out the requirements to be met by the organisations and competent authorities in order:

(a) to identify and manage [information security](https://avioverse.aero/glossary/easa/information-security) risks with potential impact on aviation safety which could affect information and communication technology systems and data used for civil aviation purposes,

(b) to detect information security events and identify those which are considered information security incidents with potential impact on aviation safety,

(c) to respond to, and recover from, those information security incidents.

IR · Article 1 — Regulations (EU) 2023/203 and 2022/1645 · Regulation (EU) 2023/203 · Part-IS Easy Access Rules · EAR revision 5 Dec 2025

GM Guidance material

## GM1 Article 1 Subject matter

When taking measures under this Regulation, affected entities — irrespective of their size — are encouraged to ensure that the measures they take are proportionate to the nature and safety risk of their activities.

GM · GM1 Article 1 — Regulations (EU) 2023/203 and 2022/1645 · ED Decision 2023/008/R · Part-IS Easy Access Rules · EAR revision 5 Dec 2025

[All rules in Cover Regulation to Implementing Regulation (EU) 2023/203](https://avioverse.aero/regulations/easa/part-is/implementing-regulation-eu-2023-203/cover-regulation-to-implementing-regulation-eu)

Consolidated from the EASA Easy Access Rules (revision 5 Dec 2025, extracted 13 Oct 2026) for convenience. Not the official publication — verify against the Official Journal of the European Union and the EASA publications before operational use.