Also known as Shabak, the Hebrew acronym for "Sherut haBitachon haKlali" or "General Security Service." This agency conducts security intelligence work within Israel and the Occupied Palestinian Territories, as opposed to the Mossad which deals with intelligence gathering on the international front. The agency is especially involved in providing intelligence about organizations and individuals it deems to be involved in terrorist activities. See the agency’s website at http://www.shabak.gov.il/english/Pages/default.aspx.  http://www.justvision.org/glossary/israeli-security-agencyshin-bet