A conference room sweep is a pre-meeting inspection for hidden electronics or recording gear, such as microphones, cameras, cell phones, USB devices, or rogue transmitters. Security staff may visually inspect the room, check power strips and furniture, use RF detectors, and verify that nothing unfamiliar was left behind. The goal is to find anything that could capture audio, video, or metadata without authorization.
This matters because many high-value conversations never touch a network, yet still expose sensitive strategy, legal, personnel, or research details. A hidden device can defeat confidentiality even when endpoint and cloud defenses are strong. In practice, sweeps are used in executive protection, counterintelligence, and incident response programs, especially before closed-door meetings or in shared spaces. A sweep does not guarantee perfect safety, but it lowers the chance that a room has already been turned into a surveillance point.