The IsraeliComputer Services Directorate (Hebrew: אגף התקשוב Agaf HaTikshuv, often abbreviated to Atak) is the Israel Defense Forces body which charts the communication, wireless transmission, computerization, command and control over and defense of information in the IDF. The Directorate was created on March 3, 2003, on the basis of some functions previously held by the C4I Corps. The directorate is headed by AlufUzi Moscovitch.
The Computer Services Directorate comprises three main brigade-level units: the C4I Corps, the Operating Brigade (Hebrew: חטיבת ההפעלה, Hativat HaHaf'ala), which deals with operational communications and electronic warfare, and Lotem (Hebrew: לוט"ם, an abbreviation for Unit for Telecommunications and Information Technology).
Lotem lists the following units:
Mamram (ממר"ם) - Center of Computers and Information Systems - responsible for managing military software and computer infrastructure
Hoshen (חושן) - responsible for operating the army's communication systems
Matzov (מצו"ב) - Center of Encryption and Information Safety - responsible for the protection of digital military data
Ma'of (מעו"ף) - Systems and Projects - responsible for planning and engineering telecommunication systems
Shoham (שהם) - responsible for operational programming and computer services
Leshem (לשם) - responsible for human resources and logistics-related software.