How a 27-Year-Old Codebreaker Busted the Myth of Bitcoin’s Anonymity

Once, drug dealers and money launderers saw cryptocurrency as perfectly untraceable. Then a grad student named Sarah Meiklejohn proved them all wrong—and set the stage for a decade-long crackdown.

The SEC’s Official X Account Was ‘Compromised’ and Used to Post Fake Bitcoin News

The US financial regulator says its official @SECGov account was “compromised,” resulting in an “unauthorized” post about the status of Bitcoin ETFs.

A Police App Exposed Secret Details About Raids and Suspects

SweepWizard, an app that law enforcement used to coordinate raids, left sensitive information about hundreds of police operations publicly accessible.

How to Protect Yourself If Your School Uses Surveillance Tech

Colleges and K-12 campuses increasingly monitor student emails, social media, and more. Here’s how to secure your (or your child’s) privacy.

This Chatbot Aims to Steer People Away From Child Abuse Material

Pornhub is trialing a new automated tool that pushes CSAM-searchers to seek help for their online behavior. Will it work?

Their Photos Were Posted Online. Then They Were Bombed

An attack on Russian mercenaries shows how militaries are increasingly using open source data—with sometimes deadly consequences.

The Low Threshold for Face Recognition in New Delhi

Police in India's capital say they only require an 80 percent accuracy rate for matches, raising new alarm bells for civil liberty advocates.

The Power and Pitfalls of AI for US Intelligence

Artificial intelligence use is booming, but it's not the secret weapon you might imagine.

The Race to Hide Your Voice

Voice recognition—and data collection—have boomed in recent years. Researchers are figuring out how to protect your privacy.