From devices that order our groceries to smart toys that speak to our children, high-tech home gadgets are no longer the stuff of science fiction.
But even as they transform our lives, they put families at risk from criminal hackers taking advantage of security flaws to gain virtual access to homes.
A June 2017 Which? study tested whether popular smart gadgets and appliances, including wireless cameras, a smart padlock and a children's Bluetooth toy, could stand up to a possible hack.
The survey of 15 devices found that eight were vulnerable to hacking via the internet, Wi-Fi or