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Z
A covert human
intelligence source who has undergone a period of assessment and
whose reporting has been validated. To be distinguished from an
officer (a member of staff) of SIS.
Acronym occasionally used
for SIS - British Secret Intelligence Service to distinguish us
from others with similar acronyms - CSIS (Canadian Security
Intelligence Service), ASIS (Australian Secret Intelligence
Service) and NZSIS (New Zealand Security Intelligence
Service).
Chief of
SIS. Used in honour of the first Chief of SIS, Sir
Mansfield Cumming, who habitually signed himself
'C'.
SIS intelligence reports
as issued to customers.
Central government
department with responsibilities for co-ordinating the UK national
intelligence machinery.
Defence Intelligence
Staff. Intelligence analytical organisation of
the Ministry of Defence traditionally serving the UK armed forces
but also serving wider government customers.
. The UK ministry of
foreign affairs.
. The UK sigint (signals
intelligence) agency. One of SIS's two sister
intelligence and security agencies along with the Security
Service.
Government Code and Cipher
School. Forerunner of GCHQ. Part
of SIS from 1923 to 1947.
Human intelligence or
intelligence derived from human
sources.
The UK ministry of the
interior.
. A key piece of UK
legislation to which SIS is subject.
.
This act placed SIS on a statutory footing and defines what the
Service may do.
Joint Intelligence
Committee. Part of the Cabinet Office and the
central body of the national intelligence
machinery. It advises on the priorities for
intelligence collection and assesses Agency performance against
those priorities.
Joint Terrorism Analysis
Centre. Sits within the Security Service to
analyse all source intelligence on terrorist threats to the UK and
UK interests. Staffed by members of all three
intelligence and security agencies and the , , ,
the Police and other government departments.
Foreign intelligence
services with which SIS cooperates. It is SIS policy not to comment
on its relationships with liaison services.
Commonly used
but dating back to before
WWII.
Commonly used but
unofficial title for the
A member of SIS
staff. Often confused in popular vocabulary with
agent.
An intelligence gathering
operation.
Intelligence requirements
set by the .
. Regulatory Act which
established a Commissioner for Interception, a Commissioner for the
Intelligence Services and the .
The Secret Intelligence
Service, also known as MI6.
The Special Operations
Executive. WWII clandestine operations agency
absorbed into SIS towards the end of the
war. Security-edited records from the period
before absorption have been released by SIS to the UK National
Archive.
Any source of information
or intelligence. An agent may be a source but a
source is not automatically an agent.
Signals
intelligence. The primary task of
Information acquired
against the wishes and generally without
the knowledge of the originators or
possessors. Sources are kept secret from readers
as are the techniques used to acquire the
information. Intelligence provides privileged
insights not available openly.
. The budget through
which all three intelligence and security agencies are
funded.