Smart speakers pose threat to particular group of people

Cybersecurity experts have warned high-profile people not to keep smart speakers in their home – because it can leave them vulnerable to attack.

Devices such as the Amazon Echo and Google Nest have become increasingly popular in recent years, allowing users to control their home through simple voice commands.

This means the microphone is always on, ready to pick up speech.

Sadie Creese, professor of cybersecurity at Oxford University...