Boundaries between the physical and digital worlds are rapidly evaporating, especially with augmented reality. This raises a host of privacy and security threats, some of them familiar, others brand-new.
With nothing more than a boarding pass bar code, someone could steal your airline miles, access your personal data, stalk you, and even cancel or register your flight to himself, a security researcher demonstrates.
Responding to a court order, Yahoo reportedly made custom software to scan billions of emails for terrorist ties. Beyond constitutionality, the legality of compulsory tool development remains an open question.
Hardly a modern invention, encryption has been in use for almost 4,000 years. Take a brief journey through history as we highlight some of the seminal moments in the development of coded communications.