So you would like to stop unauthorized access to your laptop like the pros? The BusKill can help. It is a laptop kill cord that executes a trigger when your machine is not with you to protect your data. It is designed to work with Linux, Windows 10 and macOS. You can program it to self-destruct and wipe your disk to keep your sensitive data out of strangers’ hands.
The device has an open source GUI app. Its app has arm/disarm functionality. To get started, attach the device to your belt, plug it in, and you are set. You can find out more about it here.