An event that could have harmed the security of information systems but did not happen or was successfully prevented.
A summary of the definition in Article 2 point 11e of the Polish Act on the National Cybersecurity System.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