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.

A new system uses cameras to gauge the facial temperature of people in a room and adjust the temperature accordingly.

For decades, the FBI kept tabs Black writers, artists, and activists, with agents reading their work closely and even creating their own misleading works.

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.

A system called XModal-ID can use video of a person walking and determine whether that same person is behind a wall using WiFi and their unique movement.

Nursing home security cameras are an effort to combat elder abuse, but the ethical and moral implications are complex.