OT Glossary
Not sure what a term or acronym means? You’re in the right place. This glossary is your go-to guide for understanding the key terms and acronyms used in OT cybersecurity. Whether it's a protocol, standard, or security concept, we’ve broken it down to help make your training smoother and more approachable. Looking for a term we don't have? Let us know!
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BESBulk electric system Basically refers to the larger power grid as a whole. This abbreviation is used in the NERC CIP regulations. | |
BMSBuilding management system or BAS (Building automation system) This is the control system found in large buildings (offices, campuses, etc.) that monitors and controls the building’s electrical and mechanical equipment. A BMS oversees things like heating/cooling (HVAC), lighting, elevators, and security systems to maintain comfort and efficiency. | |
BOPBlowout preventer - Safety device in the oil&gas industry to prevent the release of oil and gas while drilling. | |
BrownfieldA term describing an existing industrial facility or system that is already in operation (often with legacy equipment). Brownfield projects involve upgrading or securing an established OT environment, which can be challenging due to older technology in place. (Contrast with Greenfield, a brand-new installation built from scratch.) Securing a brownfield ICS often means dealing with legacy systems that weren’t designed with cybersecurity in mind. | |