SA - FBI special agent.

SAFEHOUSE - A dwelling place or hideout unknown to the adversary.

SANITIZE - To delete specific material or revise a report or other document to prevent the identification of intelligence sources and collection methods.

SANTEBAL - Special branch of the Cambodian Khmer Rouge era government, in charge internal security and running the prisoner camps, torture and killings.

SAPO - Sweden's security service.

SASHA KVAP - Spy. Codename for Alexander Kvapishevski, a Russian mole inside Hitler's bunker during the final months of World WarII. Subsequently poisoned by the KGB in May 1960.

SAVAK - one of Iraq's security services.

SBU - The Security Service of Ukraine (Sluzhba Bezpeky Ukrayiny). It is Ukraine's law-enforcement authority and main government internal security agency in the areas of counterintelligence activity and terrorism combating.

SCHINDLER, John R. - Spy

SCIF - A Sensitive Compartmented Information Facility (SCIF; pronounced "skiff"), is an enclosed area within a building that is used to process Sensitive Compartmented Information (SCI) types of classified information. SCI is usually only briefed, discussed, and stored in an accredited SCIF.

SECURITY THROUGH OBSCURITY - Security by obscurity involves taking measures that don't remove an attack vector but instead conceal it. It is the subject of heated debate.

SEMTEX - A military explosive suitable for sabotage and terrorist operations.

SERE - An acronym for survival, evasion, resistance, and escape.

SERVICING - The act of removing material from a dead drop.

SET UP - To begin to conduct surveillance on a target.

SHOE - A false passport or visa.

SHIN BETH - Israel's security service (also called GSS).

SIDE - Argentina's security service.

SILVERMASTER SPY RING (the) – Cold War Soviet spy ring operating within the United States and specifically within the Federal government.

SIGINT - SIGnals INTelligence; consists of COMINT (communications intelligence) and ELINT (electronic intelligence).

SINN FEIN - The political arm (party) of the IRA.

SIS - Secret Intelligence Service; the official name of Britain's MI6.

SISTEMA - A set of rules that guides the informal hierarchy that is observed in Russia and some post-soviet countries, in place of strong formal legal institutions. The sistema, of which KOMPROMAT is a big part, regulates among other things the distribution of wealth.

SIT REP - Situation report.

SLEEPER - Agent living as an ordinary citizen in a foreign country. Acts only when a hostile situation develops.

SLUZBA BEZPIECZENSTWA - Poland's security service, also called the SB.

SMEDLEY, Agnes - Spy

SMERSH - Short for "Smert Shpionam" (Death to Spies); a Soviet counterintelligence agency that existed from 1943 to 1946; made famous in the James Bond novels.

SO15 (The) - The Counter Terrorism Command (CTC or SO15) is a Specialist Operations branch within London's Metropolitan Police Service.

SORM - System for Operative Investigative Activities, the technical specification for lawful interception interfaces of Russian telecoms. Once exclusively for the FSB, the specs have since been broadened.

SOE - Special Operations Executive; Britain's WWII sabotage and subversion organization. Later became MI6.

SOFT TARGET - An easy surveillance target, untrained and not looking for surveillance.

SOG - An acronym for Special Operations Group, agents who conduct surveillance. Incontrast, SSG is composed of non-agents. See also SSG

SORGE, Richard - Spy

SOS - Morse code for Save Our Ship : dot dot dot - dash dash dash - dot dot dot.

SPECIAL ACCESS PROGRAMS - "SAPs", also known as "SARs" in the Department of Defense, are security protocols that provide highly classified information with safeguards and access restrictions that exceed those for regular classified information.

SPECIAL BRANCH - The security branch of the British police.

SPLASHED - Describes a bodyguard whose client has been assassinated. Also see WET AFFAIR.

SPOOK - a spy.

SPY - Any member of an intelligence agency, security service, police agency, resistance movement, guerrilla group, or other organization engaged in covert intelligence-gathering activities.

SPYMASTER - The leader of espionage activities, and an agent handler extraordinaire.

SRI - Romania's security service.

SSG - An acronym for Surveillance Specialist Group, which is what the FBI calls a surveillance team. See also INVESTIGATIVE SPECIALIST. See also SOG.

SSS - Georgia's security service.

STASI - The East German Ministry for State Security; East Germany's Cold War domestic and foreign intelligence service (1950 - 1990) à la fin.

STATION - Post from where espionage is conducted.

STATION CHIEF - The officer in charge at a CIA station, usually in a foreign capital.

StB – Soviet Czechoslovakia's security service, the Statni Tajna Bezpecnost (1945 - 1990).

STEGANOGRAPHY - Techniques for concealing the very existence of a message (secret inks or microdots).

STREET AGENT - An agent whose work takes him to various locations. Also see BRICK AGENT.

SVR - Sluzhba Vneshney Razvedki. Russia's Foreign Intelligence Service. Unlike the Russian Federal Security Service (FSB), SVR is tasked with intelligence and espionage activities outside Russian Federation. Formed on December 18, 1991.

SWALLOW - A female agent employed to seduce people for intelligence purposes. See HONEY POT.

SWARMING - Overfilling a location with surveillance operatives. Often used in psy ops as a means for controlling the target's environment.

SZABO, Violette - Spy