A system to facilitate management of surveillance devices, that are distributed over a monitored region, through a geographic information (GI) portal, having GI storage to store map data defining a geographic map of the monitored region. A GI manager unit (GIMU) to record, in the GI storage, asset position information with regarding locations for assets of interest within the monitored region. The GIMU obtains, from a remote surveillance device (SD) database, device-related records. The GIMU obtains, from a remote network (NW) database, network-related records. The SD and NW databases are maintained and managed separately from the GI database by one or more independent management units. A display presents a geographic map of the monitored region with device markers and network links illustrated thereon.