Authored by TXOne Networks and released on January 3, 2023, this insightful report navigates the realm of safeguarding building automation systems. It strategically employs the Zero Trust security framework as a robust defense mechanism against the tide of cybersecurity threats. With the influx of IoT devices into building environments, paramount importance is placed on fortifying the security of supply chain partners and the deployed devices themselves. Moreover, meticulous attention is directed towards enhancing system endpoints, conducting holistic system evaluations, implementing stringent access controls, segmenting networks, and fortifying system resilience to bolster overall security posture. At its core, this report underscores a pivotal lesson: the imperative of embracing a comprehensive and seamlessly integrated strategy, embodied by the Zero Trust model, to effectively fortify building automation systems against the ever-evolving landscape of threats.

Keywords: Access Controls, Architecture/Engineering, Association, Audio/Video, Control & Monitoring Equipment/Sensors, Cybersecurity/Privacy, Energy Efficiency/Management, Home Networking, HVAC & Indoor Air Quality (IAQ), Internet of Things (IoT), Large Building Controls/Automation, Lifts/Elevators, Lighting Systems/Controls, Natural Gas, Protocols/Standards

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