How to Secure Windows Bluetooth Access

Enhance your Windows security by managing Bluetooth discoverability, pairing permissions, and device access control settings.

1. Disable device discoverability. Open Settings and navigate to Bluetooth & devices. Select Devices, then expand Device settings. Set Bluetooth devices discovery to Default to prevent your computer from broadcasting its presence to unknown peripherals.
2. Audit paired peripherals. Within Bluetooth & devices, review the list of active connections. Click the ellipsis icon next to any unrecognized or legacy device and select Remove device to terminate its system-level access permanently.
3. Apply Group Policy restrictions. Press Win + R, type 'gpedit.msc', and press Enter. Navigate to Computer Configuration > Administrative Templates > Bluetooth > Bluetooth Settings. Double-click Allow Bluetooth and select Disabled to block unauthorized radio usage across the system.
4. Toggle radio power state. Access the Action Center by pressing Win + A. Toggle the Bluetooth icon to Off when the radio is not in use to physically minimize the attack surface of your wireless controller.
5. Check device manager drivers. Right-click the Start button and select Device Manager. Expand Bluetooth, right-click your Bluetooth adapter, and select Properties. Ensure the driver is up to date and verify that no unauthorized virtual Bluetooth enumerators are active in the list.