Signal's Meredith Whittaker says AI agents are surveillance infrastructure and she's right
Signal president Meredith Whittaker issued a blunt warning on June 20 that AI agents like Microsoft Copilot are surveillance infrastructure in disguise, arguing their sweeping access to contacts, messages, and credentials effectively nullifies end-to-end encryption. Her critique lands at a pivotal moment for startups building agentic workflows on platforms that own the data layer, and points toward on-device, privacy-first AI processing as the product wedge challengers can actually use.