Shin Bet their tenures. Shin Bet The Israel Security Agency (ISA, "Sherut ha-Bitaẖon haKlali" "General Security Service"; ), better known by the acronym Shabak (, , ) or the Shin Bet (a two-letter Hebrew abbreviation of the name), is Israel's internal security service. Its motto is ""Magen veLo Yera'e"" (, lit. "Defender that shall not be seen" or "The unseen shield"). It is one of three principal organizations of the Israeli intelligence community, alongside Aman (military intelligence) and the Mossad (foreign intelligence service). Shabak is believed to have three operational wings: The counter-terrorist unit Yamas is directly subordinate to Shin Bet. Although
Shin Bet members of the public. The decision to launch the blog was made by the Shin Bet's top brass, including head Yuval Diskin, and is part of an attempt to attract high-tech workers to the agency's growing IT department. According to Shabak officers, the Web site and blog are aimed also at promoting a more accessible and positive public image for the secret service, long associated with "dark, undercover and even violent activity". In 2012, six former heads of the Shabak (Shalom, Peri, Gillon, Ayalon, Dichter, and Diskin) featured in a documentary film, "The Gatekeepers", and discussed the main events of