A security architect is evaluating physical access control options for a new data center housing critical financial systems. Which approach would BEST address the security requirements while maintaining operational efficiency?
Multi-factor authentication for server room access with comprehensive video surveillance
High-security locks with proximity card readers and security personnel stationed at critical areas
Badge access with biometric verification, supported by visitor management and surveillance systems
24-hour guard rotation with surveillance monitoring and regular security patrols
The correct answer implements a defense-in-depth strategy for physical security through multiple complementary controls. Badge access provides initial identity verification, biometrics add stronger authentication, visitor management handles non-employee access, and surveillance creates an audit trail. This layered approach creates multiple barriers an attacker must overcome.
The other options represent incomplete approaches: surveillance cameras only monitor but don't prevent access; guard stations protect only main entrances; and badge-only systems rely on a single factor that could be stolen or cloned. A comprehensive physical security strategy requires multiple complementary controls working together.
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ISC2 CISSP
Identity and Access Management (IAM)
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