security occurrence
as defined in Regulation (EC) No 300/2008 of the European Parliament and of the Council of…
(16)
‘security occurrence’ means any security-related event that may result in a reduced security outcome, may increase the operational risks or that endangers the safety of passengers, crew, ground personnel and the general public, or is a potential compliance breach. This includes the identification or observation of a vulnerability in the protection of civil aviation against acts of unlawful interference;