Approach for generating numbers at random may help analyses of complex systems, from Earth’s climate to financial markets.

A system that enables smartphones to transmit “chirps” to nearby devices could notify people if they have been near an infected person.

System ensures hackers eavesdropping on large networks can’t find out who’s communicating and when they’re doing so.

Tiny, battery-free ID chip can authenticate nearly any product to help combat losses to counterfeiting.

Routing scheme boosts efficiency in networks that help speed up blockchain transactions.

Model from the Computer Science and Artificial Intelligence Laboratory identifies “serial hijackers” of internet IP addresses.

Study offers models for preserving the privacy of citizens while using their data to improve government services.

System automatically writes optimized algorithms to encrypt data in Google Chrome browsers and web applications.

Researchers use a new, holistic methodology to address cyber vulnerabilities in today’s energy systems.

Researchers design a negotiation strategy to help cities and organizations minimize losses when their data are held hostage.