Division 3 Physical security measures shall be chosen in the light of an appraisal of the threats posed to FIDUCIA information. These measures shall take into consideration the environment and structure of the FIDUCIA office premises. The security authority shall determine the degree of security to be attained for every one of the following physical measures:

a perimeter barrier defending the boundaries of the area to be protected;

an intrusion detection system connected to the security command post of the Court of Justice of the European Union;

an access control system exercised by electronic or electro-mechanical means, and operated by a member of the security staff;

security staff trained, supervised and holding authorisation to have access to FIDUCIA information;

closed-circuit video-surveillance system operated by security staff and connected to the intrusion detection and access control systems;

security lighting allowing effective surveillance directly, or indirectly through a video-surveillance system;

any other appropriate physical measures designed to deter unauthorised access or to detect it, or to prevent consultation or loss of, or damage to, FIDUCIA information.