Which of the following is an example of a physical control in cybersecurity?

Physical controls in cybersecurity refer to the tangible measures taken to protect physical assets and environments. These controls are designed to prevent unauthorized access to buildings, facilities, or areas where sensitive information or critical systems are stored.

Fences and cameras are classic examples of physical controls because they are visible barriers and monitoring systems that work to deter and detect unauthorized access. Fences create a physical barrier around a property, protecting it from intruders, while cameras monitor and record activities, providing an additional layer of security through observation and potential evidence collection. Together, they help create a secure environment that safeguards hardware, network equipment, and sensitive information from physical threats.

In contrast, firewalls, disk encryption, and active directory authentication are not physical controls; rather, they are logical or technical controls that focus on securing data and systems through software and configurations. Firewalls manage and control incoming and outgoing network traffic based on predetermined security rules, while disk encryption protects data stored on disk drives by converting it into a secure format that cannot be accessed without the appropriate decryption key. Active directory authentication is a method of verifying user identities and managing access rights within a network, serving as an administrative measure rather than a physical barrier.

Thus, fences and cameras distinctly represent physical controls, making them the