An expert explains what individuals, governments, and business can do to fight back against ever-present threats to our data privacy.

Uncrackable encryption keys made from images of 2,000 wiggling T cells could keep your data safe from hackers and security breaches.

Manufacturers can collect our data from internet-enabled devices. A system called Prio protects privacy by breaking up and obscuring individual information.

New research shows police could use forensic DNA to track down family members in public genealogy databases. But that may raise big privacy issues.