Urban VPN Proxy looked reputable, with a 4.7 star rating, Google’s featured badge, and more than six million installs on Chrome. Another 1.3 million people installed it on Edge. But Koi says the extension’s behavior changed after a quiet update on July 9, 2025, when the publisher shipped version 5.5.0. From that point, Koi alleges, the extension intercepted both what users typed and what the assistant replied across eight platforms: ChatGPT , Claude, Gemini , Microsoft Copilot ,...
