A large manufacturing company heavily relies on industrial control systems to operate its production lines, encompassing devices like programmable logic controllers (PLCs) and human-machine interfaces (HMIs) scattered across the factory floor. Recent concerns about cyber threats have prompted management to enhance the security of these devices. How might the cybersecurity manager persuade senior management of the primary goal of implementing physical device port hardening?
A. It encrypts data on USB drives.
B. It enables automatic network connections.
C. It restricts access to physical interfaces.
D. It blocks incoming and outgoing network traffic.
