Smc stands for 'standard cubic meter,' a unit of measurement commonly used in the energy and gas industries, including cybersecurity contexts involving industrial systems. It represents the volume of gas (typically natural gas) at standardized conditions of temperature and pressure, ensuring consistency in reporting and analysis. In cybersecurity, understanding Smc is important when securing industrial control systems (ICS) or SCADA systems that monitor and manage gas flows. Accurate measurement and secure data transmission of Smc values are critical for operational integrity, billing, and safety. Cyber attacks targeting these measurements can lead to financial losses or safety hazards, making Smc a relevant term in industrial cybersecurity.