This episode covers secure access control methods that rely on card reader systems and multifactor authentication for physical entry into server facilities. We explain how card readers function as a primary factor—something you have—and how they are often integrated with secondary verification such as PINs or biometrics to meet multifactor authentication requirements. The discussion includes best practices for card issuance, revocation, and logging access attempts for auditing purposes.

We then provide real-world and exam-relevant scenarios, such as requiring two-factor access for high-security data center areas or using time-based restrictions to limit entry during non-business hours. Troubleshooting considerations include resolving faulty card reader hardware, reprogramming corrupted cards, and investigating unauthorized access attempts. Mastering these secure access methods ensures candidates can design and maintain strong physical security aligned with operational and compliance standards. Produced by BareMetalCyber.com, where you’ll find more cyber prepcasts, books, and information to strengthen your certification path.