How to Secure Windows Bluetooth Access

Step by step

1. 1 min

   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.

   Note: Setting this to Advanced exposes your device to all nearby Bluetooth signals.
2. 2 min

   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. 2 min

   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.

   Note: This policy change requires a system restart to take effect.
4. 1 min

   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.

   Note: Turning off the radio is the most effective defense against proximity-based exploits.
5. 2 min

   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.

   Note: Win + X