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Spy Words, Terms and Codes
Here is a reference resource for all those spy codes and covert talk.
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- FALN – an underground group in
Puerto Rico.
- FALSE FLAG RECRUITMENT –
impersonation by a spy while recruiting an informant, defector, agent, etc.
- FBI – a US security service.
- FDS – One of Mexico's security
services.
- FIBONACCI SYSTEM – a system of
non-carrying addition used for one-time pad codes. For example, (Fib) 999 +
222 = 111.
- FILLING – the act of inserting
material in a dead drop.
- FLAPS &
SEALS - the tradecraft involved when making surreptitious
openings and closings of envelopes, seals, and secure pouches.
- FLIP – a U Turn made by the target
during a vehicle surveillance operation.
- FLOATER -
a person used one-time, occasionally, or even
unknowingly for an intelligence operation.
- FLOATING BOX – a method of
surveillance where a team of operators establishes a containment box around
the target wherever he/she goes.
- FMLN – Frente Farabundo Marti para
Liberacion Nacional, an underground group in El Salvador.
FOLLOW – a surveillance team is executing a follow when they are
shadowing a moving target. See also FLOATING BOX. A follow begins when the
target exits the stakeout box and a surveillance operative attains command
of the target. See also COMMAND OF THE TARGET.
- FOOTFALL DETECTOR – vibration
sensor designed to detect walking humans.
- FORENSICS - The use of science and
technology to investigate and establish facts in criminal or civil courts of
law.
FOUR-BAGGER – disclipline of an agent by FBI headquarters,
consisting of censure, transfer, suspension, and probation.
- FRA – Sweden's military signals
intelligence agency.
- FREQUENCY FLOODING – a technique
that allows an ordinary telephone to become a covert listening device.
- FRIEND – slang for an agent,
informant, or mole providing information to a handler.
- FRIENDS – slang for Britain's
secret intelligence service, MI.6.
- FRONT – a legitimate-appearing
business created by an intelligence agency or security service to provide
cover for spies and their operations.
- FSB – Russia's federal security
service, responsible for counterespionage.
- FUNKSPIEL – impersonation during
electronic communications. Derived from the German phrase for "radio
game".
- FUNNY PAPER – slang for the
counterfeiting and forged documents section of an intelligence agency or
security service.
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