Abstract: A computer reduces the likelihood that an input device connected to a port can perform unauthorized actions by verifying that the input device is a valid human input device before accepting inputs from that input device as a human input device. In response to the input device being connected to the computer, the computer invokes a device driver which validates the input device as a human input device before any input requests can be passed from the input device to other components of the computer. When the device driver begins operation, the device driver prompts the user to confirm that the input device is a human input device. If input from the user confirms that the device is a human input device, then the device driver can begin passing input requests from the input device to other components of the computer.