A financial services company is designing the physical security for its new data center, which will house sensitive customer data and critical servers. The chief security officer's primary goal is to prevent unauthorized physical access by implementing the most effective and resilient strategy. Which of the following approaches should the security architect recommend?
An advanced IP-based surveillance system with AI-powered threat detection to monitor all areas of the data center.
A 24/7 on-site security guard force responsible for visually verifying all individuals entering and exiting the facility.
A defense-in-depth strategy combining mantraps, multifactor authentication (card + PIN) at the data hall entrance, and individually locked server cages.
Biometric iris scanners at the data center's main entrance as the sole mechanism for entry.
The most effective and resilient strategy is a defense-in-depth approach that layers multiple, different controls. Combining mantraps, multifactor authentication, and locked server cages creates redundancy and mitigates the risk of a single control's failure. Relying solely on biometric scanners creates a single point of failure and does not protect assets within the data hall. A guard force alone is subject to human error and social engineering. A surveillance system is a detective and deterrent control, but it does not physically prevent access, which is the primary goal.
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ISC2 CISSP
Identity and Access Management (IAM)
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