AI Agents Operate in Browsers with Hidden Access AI agents can now operate inside a user's browser through tools such as the Chrome DevTools Protocol, navigating sites, extracting information and interacting with web apps while remaining hidden, according to the report. The report states that this access lets external apps hijack a user's authenticated sessions, which it calls a significant security risk. Meet the sneaky side of AI agents: they can now operate quietly within your browser, using tools like the Chrome DevTools Protocol to navigate sites, extract info, and interact with web apps - all while hiding in plain sight. This stealthy access poses a significant security risk, allowing external apps to hijack your authenticated sessions.