ZigBee IoT Intrusion Detection System: A Hybrid Approach with Rule-based and Machine Learning Anomaly Detection Topics: Architecture for secure and interactive IoT; Intrusion and detection techniques; Security as a Service including any Algorithms, Methodology and Software Proof-of-concepts In Proceedings of the 5th International Conference on Internet of Things, Big Data and Security IoTBDS - Volume 1, 57-68, 2020