How do you assess physical tampering risks and controls?

How do you assess physical tampering risks and controls?

• A. Focus only on cyber controls; ignore physical security.
• B. Replace devices monthly to prevent tampering.
• C. Conduct site risk assessments, deploy tamper-evident seals, surveillance, access controls, regular inspections; correlate physical events with IT security logs.
• D. Use one-time surveillance and assume no tampering occurs.

Answer: (C)

Assessing physical tampering risks and controls means using a layered, defense-in-depth approach that covers both the physical environment and how it ties into IT systems. Start with site risk assessments to identify weak points where tampering could occur—like exposed devices, access routes, or maintenance areas—and to understand potential attacker paths. Then add tamper-evident seals on devices and enclosures so any removal or interference leaves a visible trace. Surveillance provides real-time and recorded visibility of activity around critical assets, while access controls restrict who can reach sensitive equipment, paired with visitor management and regular credential reviews. Regular inspections keep a routine check on physical conditions and anything unusual, such as damaged seals or altered wiring. Finally, correlating physical events with IT security logs creates a complete picture—if a seal is breached or a camera shows unusual activity and the logs show corresponding device or network anomalies, you have a clearer indication of tampering and a faster, targeted response. This approach is far more robust than relying on cyber controls alone, replacing devices on a rigid schedule, or assuming no tampering will occur. It addresses prevention, detection, and response in a coordinated way.

Assessing physical tampering risks and controls means using a layered, defense-in-depth approach that covers both the physical environment and how it ties into IT systems. Start with site risk assessments to identify weak points where tampering could occur—like exposed devices, access routes, or maintenance areas—and to understand potential attacker paths. Then add tamper-evident seals on devices and enclosures so any removal or interference leaves a visible trace.

Surveillance provides real-time and recorded visibility of activity around critical assets, while access controls restrict who can reach sensitive equipment, paired with visitor management and regular credential reviews. Regular inspections keep a routine check on physical conditions and anything unusual, such as damaged seals or altered wiring. Finally, correlating physical events with IT security logs creates a complete picture—if a seal is breached or a camera shows unusual activity and the logs show corresponding device or network anomalies, you have a clearer indication of tampering and a faster, targeted response.

This approach is far more robust than relying on cyber controls alone, replacing devices on a rigid schedule, or assuming no tampering will occur. It addresses prevention, detection, and response in a coordinated way.