Signal’s Creator Is Helping Encrypt Meta AI

Moxie Marlinspike, the privacy champion behind Signal, is taking on a new frontier: encrypted AI. In a surprising move, the creator of the world’s most trusted secure messaging platform announced that his latest venture, Confer, will soon power privacy protections for Meta’s AI systems. For billions of people, this could mean the end of AI chatbots snooping on your most sensitive conversations.

For years, Marlinspike has been synonymous with digital privacy. His Signal app revolutionized secure communication, ensuring that messages between users remain private—even from the companies that host them. Now, as AI chatbots like Meta’s become ubiquitous, Marlinspike sees a new vulnerability: the lack of privacy in AI interactions. Every day, millions of people chat with AI assistants, sharing everything from personal secrets to business strategies, without knowing who might be listening.

“AI is only as powerful as it is private,” Marlinspike wrote in a recent blog post. “Right now, none of that data is private. It is shared with AI companies, their employees, hackers, subpoenas, and governments. As is always the case with unencrypted data, it will inevitably end up in the wrong hands.”

This partnership with Meta marks a major milestone. While Confer will remain an independent project, its privacy technology will be woven into the fabric of Meta’s AI platforms. The goal? To give users the full power of AI—without sacrificing the confidentiality they’ve come to expect from platforms like Signal and WhatsApp.

Meta’s involvement is especially significant. The tech giant already uses end-to-end encryption for billions of messages sent daily through WhatsApp, a feature Marlinspike helped implement in 2016. However, Meta’s AI chatbot, integrated into WhatsApp, doesn’t offer the same protections. This collaboration could finally bridge that gap, ensuring that even your conversations with AI remain truly private.

Privacy advocates are hailing the move as a potential game-changer. “It’s great for people using chatbots that use Meta AI to have confidentiality and privacy within that exchange,” says Mallory Knodel, a cryptography researcher at NYU. “I really hope more AI chatbots adopt this approach.”

But challenges remain. End-to-end encryption for traditional messaging doesn’t easily translate to AI, where data processing and model training are central to the technology’s function. Confer is still a new project, and details about how exactly it will integrate with Meta’s systems remain under wraps.

Still, the implications are enormous. As AI becomes more embedded in our daily lives, the need for privacy has never been greater. With Marlinspike at the helm, the future of AI could be as secure as a Signal message—private, encrypted, and truly yours.

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