A global financial firm operates a tier-III data center that houses regulated trading algorithms and extensive customer PII. A recent audit flagged weak physical access controls and specifically warned about the risk of tailgating and badge sharing. The CISO must deploy a single control that will most effectively block unauthorized entry while creating an auditable record of who enters the room. Which measure BEST meets this goal?
Deploy access points that combine proximity smart cards with biometric verification
Post an armed security guard at the lobby desk to visually check corporate photo IDs
Install additional high-definition CCTV cameras that record every doorway and aisle
Replace server-room doors with high-security mechanical locks managed by a master-key system
A system that requires both a proximity card (something the user has) and a biometric match (something the user is) enforces true multifactor authentication. It thwarts badge sharing, makes tailgating more difficult, and logs every successful or failed attempt for later review. High-security mechanical locks and a master-key program still rely on a single physical token that can be lost, stolen, or copied. A lone guard offers only one human checkpoint that can be deceived or overwhelmed, and video cameras merely record events without preventing them.
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Why are biometric scanners considered effective for physical security?
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How do card readers enhance physical security compared to a lock and key system?
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What is the role of access logs in securing sensitive areas?
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ISC2 CISSP
Security Operations
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