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Learn how to properly implement physical access control systems by avoiding common vendor shortcuts and security vulnerabilities in this DEF CON 33 conference talk. Discover best practices for wiring, supervision, encryption, and tamper-resistance while exploring how to select clone-resistant badges and securely configure badge readers. Examine methods for securing controller equipment, managing issued badges effectively, and maintaining systems for optimal security and uptime. Gain practical insights from an expert who has installed, repaired, and upgraded numerous access control systems to help you work effectively with vendors and avoid the "minimum viable product" approach that often leaves systems unreliable and easily bypassed.
