The Computer and IT Directorate comprises four main brigade-level units: the C4I Corps, the Operating Brigade (Hebrew: חטיבת ההפעלה‎, Hativat HaHaf'ala), which deals with operational communications and electronic warfare, the Cyber and space Defense (Hebrew: חטיבת ההגנה בסייבר‎, Hativat HaHagana Be'Saib'er), which is responsible for the telecommunications of internal IDF networks,[1] and Lotem (Hebrew: לוט"ם‎, an abbreviation for Unit for Telecommunications and Information Technology).