A wider understanding of cultural values will be crucial to the successful implementation of contact-tracing technology across the world.

We believe fitness trackers keep us healthy, and connected toys keep children safe – but such devices are easily abused.

The murky blobs visible with today's wall-penetrating radar could soon give way to detailed images of people and things on the other side of a wall – and even measure people's breathing and heart rate.

Police, private security and sporting events are turning to a growing but largely unregulated industry that claims its technology can detect suspicious individuals.

Facial recognition, social media and location tracking give law enforcement a leg up in a monumental investigation.

Avoiding drones' prying eyes can be as complicated as donning a high-tech hoodie and as simple as ducking under a tree.

The massive increase in internet-connected devices will create an informal surveillance network that could be used to target protestors and activists.

Trust in the confidentiality of contact tracing broke down during the AIDS epidemic. Today, it's faltering again.

Police forces across the country now have access to surveillance technologies that were recently available only to national intelligence services. The digitization of bias and abuse of power followed.