Building a Silent Keylogger Into a USB-C Hub (For My Own Laptop, Obviously…)

The hub sits there like it belongs. Aluminum shell, faintly warm, a short braided cable that kinks the same way every time you coil it. Two USB-A ports, HDMI, pass-through power. It looks like every other hub you’ve tossed into a backpack without thinking. The LED is soft enough to ignore. You plug it in and your machine exhales. More ports. More reach. More surface. That’s the whole trick. It extends you. It also extends everything else. Once you accept that a hub is not passive, the rest follo