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?
Badge access with biometric verification, supported by visitor management and surveillance systems
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
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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