Mathematics has always been at the core of securing information. From online banking to government communications, modern ...

The new open-source project could serve as the basis for a future of apps with features as complex as Slack, Discord, or Google Docs—but with added protection against surveillance. So one group of ...

It’s been three-and-a-half years since generative AI exploded onto the scene. In this past year, progress has continued its relentless pace: Vibe coding took off, companies embraced agentic workflows, ...

End-to-end encryption (E2EE) for RCS messages between iPhone and Android devices is officially available, Apple confirmed today. Support is included in iOS 26.5, which is now available to everyone.

Instagram will remove end-to-end encryption for direct messages between users from May 8, 2026. When the date comes around, Meta will potentially be able to see the contents of all messages between ...

The Zodiac Killer's cryptic messages weren't just taunts to police — they were a twisted throwback to his first victim, according to an independent investigator who says he's cracked the code and ...

A relatively new ransomware family is using a novel approach to hype the strength of the encryption used to scramble files—making, or at least claiming, that it is protected against attacks by quantum ...

What really happens after you hit enter on that AI prompt? WSJ’s Joanna Stern heads inside a data center to trace the journey and then grills up some steaks to show just how much energy it takes to ...

Scientists have unveiled a new approach to ultra-secure communication that could make quantum encryption simpler and more efficient than ever before. By harnessing a 19th-century optics phenomenon ...

According to Google, Q-Day—the point at which modern encryption becomes obsolete in the face of quantum computers capable of breaking it instantly—is approaching. Google suggests the day may arrive as ...

Meta will soon end Instagram’s end-to-end encrypted chats, citing low adoption and directing users to export affected messages. Instagram users who opted for extra privacy in their DMs may want to ...