Sixteen states collectively suffered more than 90 false reports of school shooters during three weeks in September—and many appear to be connected.

Blockchain investigators have uncovered at least $4 million—and counting—in cryptocurrency donations to Russia’s violent militia groups.

The company plans to alert 1 million Facebook users that their account credentials may have been compromised by malicious software.

A new executive order tries to reassure Europeans that their data is safe on US soil, despite government surveillance.

Former Uber security chief Joe Sullivan’s conviction is a rare criminal consequence for an executive’s handling of a hack.

Plus: The US warns of a mysterious military contractor breach, a "poisoned" version of the Tor Browser is tracking Chinese users, and more.

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

You’re safer than ever—here’s how.

The company says it hardened the security of its new flagship phones—and plans to release a built-in Android VPN.