Opportunists looking for free online access, would drive down the streets of towns waiting for a Wi-Fi signal to become available. If it was insecure, and in those days it frequently was, that ‘drive-by’ approach enabled the perpetrator to get onto the Internet for free.

Over time, the drive-by evolved into something more sinister and more precisely targeted. Today, cyber-criminals are focused on latching onto home networks, not simply to access the Internet but more specifically to find their way past badly secured routers by effectively working out the brand, listening to the traffic and weakening the main password over time.

Read more from our Managing Director, Mike Simmonds in, Professional Security