Just over 18 months ago WannaCry ransomware ripped its way around the world in a matter of hours, locking down an estimated 200,000 computers belonging to Boeing, Nissan Motor Manufacturing, Renault, Telefónica, FedEx, Deutsche Bahn and far too many more to mention.

Artificial intelligence (AI) is underpinning many striking new developments. We have self-driving cars with predictive abilities, voice-powered personal assistants, behavioral algorithms that can predict what we want to buy online, smart ‘agents’ that anticipate what movies we want to watch and so on.

The internet router is one of the most important devices in our home. But for many of us, once a wireless router has been installed, we tuck it away somewhere and forget about it.

If you’ve got one or two computers in your house, a Wi-Fi network and a smart device such as a TV, you’ve got a home network that needs protecting. Unless you’ve checked each device and the wireless router and ensured the smart device has a strong password, you never know whether your home network is secure.