Almost imperceptibly, the innocuous gadgets that surround us have become alive with threat. Fridges, smart electricity meters, cars, construction cranes – a bigger Internet of Things (IoT) means more hackable things: in other words, more points at which systems can be breached and disrupted.
Not only that, the pace of this change is likely to explode with the dawn of 5G technology, which potentially accelerates connectivity speeds to a level …