An asset management apparatus includes an asset to be monitored such as a secure network and a monitoring system including at least one sensor responsive to events which are potentially damaging or threatening to the asset such as an intrusion. A control system is responsive to the sensor to provide an alarm output indicative of the event and includes data relating to the asset and the location of the at least one sensor therein. A portable display system for a first responder is provided to allow the first responder to carry the display system and the control system includes a communication component operating for displaying on the display system to the first responder while carried at the site at least some of the data or have access to the data relating to the asset at the site so that the first responder can associate the data relating to the site with the actual site.