“And if we’re talking about a sufficiently powerful … AI model that’s powering that, there’s no way that’s happening on device,” she continued. “That’s almost certainly being sent to a cloud server where it’s being processed and sent back. So there’s a profound issue with security and privacy that is haunting this hype around agents, and that is ultimately threatening to break the blood-brain barrier between the application layer and the OS layer by conjoining all of these separate services [and] muddying their data,” Whittaker concluded.