Digital security currently relies on difficult equations to protect data. For example, when you use a credit card online, the ...

A new paper published this week demonstrated that every encrypted reasoning block returned by Anthropic, OpenAI, and Google's AI APIs shares a single global encryption key — meaning any developer who ...

Learn how BitLocker, passkeys, Microsoft Defender, and other Windows 11 security features protect your data, accounts, apps, and devices.

Before two strangers could trust each other online, mathematicians had to solve an impossible problem: sharing a secret in plain sight. This is the elegant paradox at the heart of modern cryptography.

A system outage on Tuesday prevented the entire American Airlines fleet from flying; the issue was resolved later that day. Not all changes to flight plans will affect so many planes at once. But ...