In Polish cybersecurity law: an event that has or may have an adverse effect on the security of information systems.
Definition from Article 2(5) of the National Cybersecurity System Act.1
Sources
- Sejm of the Republic of Poland, Act on the national cybersecurity system, consolidated text, Journal of Laws 2026, item 20, as amended (consolidated text prepared by the Chancellery of the Sejm) (in Polish)
Checked: 3 November 2026