13.3 Perimeter and physical access control
13.3.1. For the purpose of Article 21(2)(i) of Directive (EU) 2022/2555, the relevant entities shall prevent and monitor unauthorised physical access, damage and interference to their network and information systems. 13.3.2. For that purpose, the relevant entities shall: (a) on the basis of the risk assessment, lay down and use security perimeters to protect areas