[Scopeuk]

detecting a cloned modem whouldent be imposible scanning for mac addrresse that show up more than once whould revel them then the results could be crossrefernced with the client database to find whcih is the real one then by tracking through there routers and ubrs they couldlocate the area of the cloned modem and ifneeded nplug it at the "green box".
im prety sure that the tv boxes do use some upstream conection to ntl but i dont knwo enough about the technology to elaborate