Phantom menace? A guide to APTs - and why most of us have little to fear from these 'cyberweapons'
APTs - or Advanced Persistent Threats - are the most menacing cyber attack there is, some say. Built to be stealthy, they penetrate networks, steal secrets - and vanish. 'Catching' one was a little like finding Bigfoot - but the much-hyped threat wasn't quite so scary up close...