The area and its doors may be equipped with an intrusion detection system (burglar alarm system) if classified information is stored in a lockable office cabinet within the area and the risk of forced entry is assessed as likely.
The area or the routes leading to it may also be equipped with an intrusion detection system (burglar alarm system) if classified information is stored in the area and the risk of forced entry is assessed as likely. When assessing the possible use of an intrusion detection system or an alternative arrangement, the response time assessment discussed in connection with structural requirements must be taken into account.
If the area is monitored by an intrusion detection system, it is recommended that the system remain active when the area is unoccupied. The system's control unit should be located within the security area it protects.
