Which threat is addressed by physical security?

• A. Sabotage
• B. Espionage
• C. Natural disasters
• D. Human error

Answer: (B)

Physical security is about protecting people, facilities, and information from unauthorized access and tampering. Espionage—the covert gathering of sensitive information—relies on gaining access to restricted areas, documents, or devices. By implementing strong access controls, written policies, surveillance, and secure storage, you create barriers that deter and detect attempts to observe, steal, or copy information. That direct focus on preventing unauthorized access to information is why espionage is the threat best addressed by physical security. Natural disasters fall under environmental controls and disaster recovery, human error is addressed by training and procedures, and sabotage involves deliberate damage to assets, which is mitigated by different combinations of controls beyond the core role of physical security.