Control use of the WebUSB API
Supported on: Microsoft Windows 7 or later
Registry
HKLM
Software\Policies\Google\Chrome HKCU
Software\Policies\Google\Chrome Options
DefaultWebUsbGuardSetting enum - Do not allow any site to request access to USB devices via the WebUSB API
->
2 - Allow sites to ask the user to grant access to a connected USB device
->
3
Description
Setting the policy to 3 lets websites ask for access to connected USB devices. Setting the policy to 2 denies access to connected USB devices. Leaving it unset lets websites ask for access, but users can change this setting.