Artificial Intelligence (AI) and the Internet of Things (IoT) are revolutionizing physical security in facilities, providing more proactive, intelligent, and interconnected approaches to protect people, assets, and infrastructure. The role of AI in physical security primarily lies in its ability to analyze vast amounts of data quickly and accurately, enabling real-time decision-making and predictive threat detection. IoT, on the other hand, acts as the connective tissue that links sensors, devices, and systems, creating an ecosystem where data can be captured, shared, and acted upon seamlessly. Together, AI and IoT transform traditional security practices from reactive measures to proactive, automated, and intelligent solutions. In the context of physical security, AI is applied through advanced analytics, computer vision, and machine learning algorithms. Surveillance systems equipped with AI can recognize patterns, detect anomalies, and even identify individuals based on facial recognition technology. For instance, AI-powered cameras can differentiate between authorized personnel and potential intruders, flag unusual movements, or identify objects left in restricted areas. This reduces the reliance on human monitoring, minimizes response times, and increases accuracy in threat detection. AI can also analyze historical data to predict security breaches, helping facilities preemptively strengthen vulnerable areas, optimize patrol schedules, or adjust access control policies. By learning from past incidents, AI continuously improves its decision-making capabilities, making security systems more adaptive and intelligent. IoT complements AI by providing a network of interconnected devices that collect and transmit real-time data across the facility. Sensors, smart locks, motion detectors, temperature sensors, and environmental monitors create an ecosystem where every critical point is continuously observed. For example, IoT-enabled access control systems can grant or deny entry based on dynamic conditions, such as time of day, personnel role, or even risk scores calculated by AI algorithms. Similarly, smart surveillance cameras and sensors can send immediate alerts to security teams or central control rooms when they detect unusual activity. This level of connectivity allows for centralized monitoring, seamless coordination between security devices, and faster response to potential threats. The integration of AI and IoT also enables predictive maintenance of security systems,