This coverage gap exposed users to a sort of attack known as BYOD or bringing your vulnerable driver. Drivers are files that enable your computer’s operating system to interface with external devices and hardware such as a printer, graphics card, or camera. Because drivers have access to the core of a device’s operating system or kernel, Microsoft mandates that all drivers be digitally signed to prove their safety. However, if an existing, digitally-signed driver has a security flaw, hackers may use it to gain direct access to Windows.
