Human Interface Device Firewall Feasibility

The Human Interface Device Firewall (HID-F) will make the BadUSB attack far more challenging to succeed while avoiding privacy intrusion by using machine learning models paired with homomorphic encryption. Exploring the flaws of current BadUSB defenses will develop a series of design principles that the HID-F must follow to avoid the same pitfalls. Exploring essential features of an HID-F with research code and public code samples shows that an HID-F is a feasible new class of defensive cybersecurity applications.