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The United Kingdom – United States of America Agreement (UKUSA, ) is a multilateral agreement for cooperation in
signals intelligence Signals intelligence (SIGINT) is intelligence-gathering by interception of ''signals'', whether communications between people (communications intelligence—abbreviated to COMINT) or from electronic signals not directly used in communication ( ...
between
Australia Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...
, Canada, New Zealand, the United Kingdom, and the United States. The alliance of intelligence operations is also known as the Five Eyes. In classification markings this is abbreviated as FVEY, with the individual countries being abbreviated as AUS, CAN, NZL, GBR, and USA, respectively. Emerging from an informal agreement related to the 1941
Atlantic Charter The Atlantic Charter was a statement issued on 14 August 1941 that set out American and British goals for the world after the end of World War II. The joint statement, later dubbed the Atlantic Charter, outlined the aims of the United States and ...
, the secret treaty was renewed with the passage of the
1943 BRUSA Agreement The 1943 BRUSA Agreements (Britain–United States of America agreement) Ralph Erskine, ' Birch, Francis Lyall (1889–1956)', Oxford Dictionary of National Biography, Oxford University Press, 2004 was an agreement between the British and US go ...
, before being officially enacted on 5 March 1946 by the United Kingdom and the United States. In the following years, it was extended to encompass Canada, Australia, and New Zealand. Other countries, known as "third parties", such as West Germany, the Philippines, and several
Nordic countries The Nordic countries (also known as the Nordics or ''Norden''; literal translation, lit. 'the North') are a geographical and cultural region in Northern Europe and the Atlantic Ocean, North Atlantic. It includes the sovereign states of Denmar ...
, also joined the UKUSA community in associate capacities, although they are not part of the mechanism for automatic sharing of intelligence that exists between the Five Eyes. Much of the sharing of information is performed via the ultra-sensitive
STONEGHOST STONEGHOST or "Stone Ghost", is a codename for a network operated by the United States' Defense Intelligence Agency (DIA) for information sharing and exchange between the United States, the United Kingdom, Canada and Australia. Some sources say th ...
network, which has been claimed to contain "some of the Western world's most closely guarded secrets". Besides laying down rules for intelligence sharing, the agreement formalized and cemented the "
Special Relationship The Special Relationship is a term that is often used to describe the politics, political, social, diplomacy, diplomatic, culture, cultural, economics, economic, law, legal, Biophysical environment, environmental, religion, religious, military ...
" between the UK and the US. Due to its status as a secret treaty, its existence was not known to the
Prime Minister of Australia The prime minister of Australia is the head of government of the Commonwealth of Australia. The prime minister heads the executive branch of the Australian Government, federal government of Australia and is also accountable to Parliament of A ...
until 1973, and it was not disclosed to the public until 2005. On 25 June 2010, for the first time in history, the full text of the agreement was publicly released by the United Kingdom and the United States, and can now be viewed online. Shortly after its release, the seven-page UKUSA Agreement was recognized by '' Time'' magazine as one of the
Cold War The Cold War is a term commonly used to refer to a period of geopolitical tension between the United States and the Soviet Union and their respective allies, the Western Bloc and the Eastern Bloc. The term '' cold war'' is used because the ...
's most important documents, with immense historical significance. The
global surveillance disclosure Global means of or referring to a globe and may also refer to: Entertainment * ''Global'' (Paul van Dyk album), 2003 * ''Global'' (Bunji Garlin album), 2007 * ''Global'' (Humanoid album), 1989 * ''Global'' (Todd Rundgren album), 2015 * Bruno ...
by
Edward Snowden Edward Joseph Snowden (born June 21, 1983) is an American and naturalized Russian former computer intelligence consultant who leaked highly classified information from the National Security Agency (NSA) in 2013, when he was an employee and su ...
has shown that the intelligence-sharing activities between the
First World The concept of First World originated during the Cold War and comprised countries that were under the influence of the United States and the rest of NATO and opposed the Soviet Union and/or communism during the Cold War. Since the collapse of ...
allies of the Cold War are rapidly shifting into the digital realm of the Internet.


History


Origins (1940s–1950s)

The agreement originated from a ten-page 1943 British–US Communication Intelligence Agreement, BRUSA, that connected the signal intercept networks of the UK Government Communications Headquarters (GCHQ) and the US National Security Agency (NSA) at the beginning of the
Cold War The Cold War is a term commonly used to refer to a period of geopolitical tension between the United States and the Soviet Union and their respective allies, the Western Bloc and the Eastern Bloc. The term '' cold war'' is used because the ...
. The document was signed on 5 March 1946 by Colonel Patrick Marr-Johnson for the UK's London Signals Intelligence Board and Lieutenant General Hoyt Vandenberg for the US State–Army–Navy Communication Intelligence Board. Although the original agreement states that the exchange would not be "prejudicial to national interests", the United States often blocked information sharing from
Commonwealth A commonwealth is a traditional English term for a political community founded for the common good. Historically, it has been synonymous with "republic". The noun "commonwealth", meaning "public welfare, general good or advantage", dates from the ...
countries. The full text of the agreement was released to the public on 25 June 2010. The " Five Eyes" term has its origins as a shorthand for a "AUS/CAN/NZ/UK/US EYES ONLY" classification level.


Onset of the Cold War (1950s–1960s)

Under the agreement, the GCHQ and the NSA shared intelligence on the Soviet Union, the People's Republic of China, and several
Eastern Bloc The Eastern Bloc, also known as the Communist Bloc and the Soviet Bloc, was the group of socialist states of Central and Eastern Europe, East Asia, Southeast Asia, Africa, and Latin America under the influence of the Soviet Union that existed du ...
countries (known as Exotics). The network was expanded in the 1960s into the
Echelon ECHELON, originally a secret government code name, is a surveillance program (signals intelligence/SIGINT collection and analysis network) operated by the five signatory states to the UKUSA Security Agreement:Given the 5 dialects that use ...
collection and analysis network. The treaty was extended to include Canada (1948), Australia (1956) and New Zealand (1956). In 1955, the agreement was updated to designate Canada, Australia and New Zealand as "UKUSA-collaborating
Commonwealth A commonwealth is a traditional English term for a political community founded for the common good. Historically, it has been synonymous with "republic". The noun "commonwealth", meaning "public welfare, general good or advantage", dates from the ...
countries". Other countries that joined as "third parties" were Norway (1952), Denmark (1954) and West Germany (1955).


Investigations (1970–90s)

In the aftermath of the
1973 Murphy raids The Murphy raids on the offices of the Australian Security Intelligence Organisation (ASIO) occurred on 16 March 1973. The purpose of the raids, instigated by Attorney-General Lionel Murphy, was to obtain terrorism-related information that the ...
on the headquarters of the Australian Security Intelligence Organisation (ASIO), the existence of the UKUSA Agreement was revealed to Australia's Prime Minister Gough Whitlam. After learning about the agreement, Whitlam discovered that Pine Gap, a secret surveillance station close to
Alice Springs Alice Springs ( aer, Mparntwe) is the third-largest town in the Northern Territory of Australia. Known as Stuart until 31 August 1933, the name Alice Springs was given by surveyor William Whitfield Mills after Alice, Lady Todd (''née'' Al ...
, Northern Territory, had been operated by the US Central Intelligence Agency (CIA). At the height of the
1975 Australian constitutional crisis The 1975 Australian constitutional crisis, also known simply as the Dismissal, culminated on 11 November 1975 with the dismissal from office of the prime minister, Gough Whitlam of the Australian Labor Party (ALP), by Governor-General Sir Jo ...
, the use and control of Pine Gap by the CIA was strongly opposed by Whitlam, who fired the chief of the ASIO before being dismissed as prime minister. The existence of several intelligence agencies of the Five Eyes was not revealed until the following years: ; 1974: In Canada, an investigative television report on CBC News's newsmagazine program '' The Fifth Estate'' revealed the existence of the
Communications Security Establishment Canada The Communications Security Establishment (CSE; french: Centre de la sécurité des télécommunications, ''CST''), formerly (from 2008-2014) called the Communications Security Establishment Canada (CSEC), is the Government of Canada's national ...
(CSEC). ; 1975: In the United States, the
Church Committee The Church Committee (formally the United States Senate Select Committee to Study Governmental Operations with Respect to Intelligence Activities) was a US Senate select committee in 1975 that investigated abuses by the Central Intelligence ...
of the
Senate A senate is a deliberative assembly, often the upper house or chamber of a bicameral legislature. The name comes from the ancient Roman Senate (Latin: ''Senatus''), so-called as an assembly of the senior (Latin: ''senex'' meaning "the el ...
revealed the existence of the National Security Agency (NSA). ; 1976: In Britain, an investigative article in ''
Time Out Time-out, Time Out, or timeout may refer to: Time * Time-out (sport), in various sports, a break in play, called by a team * Television timeout, a break in sporting action so that a commercial break may be taken * Timeout (computing), an enginee ...
'' magazine revealed the existence of the Government Communications Headquarters (GCHQ). ; 1977: In Australia, the
Hope Commission Hope is an Optimism, optimistic state of mind that is based on an wikt:expectation, expectation of positive outcomes with respect to events and circumstances in one's life or the world at large. As a verb, its definitions include: "expect with ...
revealed the existence of Australian Secret Intelligence Service (ASIS) and the Defence Signals Directorate (DSD). ;1980: In New Zealand, the existence of the Government Communications Security Bureau (GCSB) was officially disclosed on a "limited basis". In 1999, the Australian government acknowledged that it "does co-operate with counterpart signals intelligence organisations overseas under the UKUSA relationship." The existence of the UKUSA Agreement, however, was not publicly revealed until 2005. The contents of the agreement were officially disclosed to the public on 25 June 2010. Four days later, the agreement was described by '' Time'' magazine as one of the "most important documents in the history of the
Cold War The Cold War is a term commonly used to refer to a period of geopolitical tension between the United States and the Soviet Union and their respective allies, the Western Bloc and the Eastern Bloc. The term '' cold war'' is used because the ...
."


Recent media leaks

In July 2013, as part of the 2013 Edward Snowden revelations, it emerged that the NSA is paying GCHQ for its services, with at least £100 million of payments made between 2010 and 2013. On 11 September 2013, '' The Guardian'' released a leaked document provided by Edward Snowden which reveals a similar agreement between the NSA and Israel's Unit 8200. According to '' The Sydney Morning Herald'', Australia operates clandestine surveillance facilities at its embassies "without the knowledge of most Australian diplomats". These facilities are part of an international espionage program known as
STATEROOM A state room in a large European mansion is usually one of a suite of very grand rooms which were designed for use when entertaining royalty. The term was most widely used in the 17th and 18th centuries. They were the most lavishly decorated in ...
.


Security and intelligence agencies

Although the UKUSA alliance is often associated with the
ECHELON ECHELON, originally a secret government code name, is a surveillance program (signals intelligence/SIGINT collection and analysis network) operated by the five signatory states to the UKUSA Security Agreement:Given the 5 dialects that use ...
system, processed intelligence is reliant on multiple sources of information and the intelligence shared is not restricted to
signals intelligence Signals intelligence (SIGINT) is intelligence-gathering by interception of ''signals'', whether communications between people (communications intelligence—abbreviated to COMINT) or from electronic signals not directly used in communication ( ...
. The following table provides an overview of the government agencies involved and their respective responsibilities within the "Five Eyes" community:


Global coverage

Although precise assignments are classified, it is generally known that each member of the UKUSA alliance takes lead responsibility for intelligence collection and analysis in different parts of the globe.


Five Eyes

The ''Five Eyes'' (often abbreviated as ''FVEY'') are an intelligence alliance comprising Australia, Canada, New Zealand, the United Kingdom and the United States. These countries are bound by the multilateral UKUSA Agreement, a treaty for joint cooperation in
signals intelligence Signals intelligence (SIGINT) is intelligence-gathering by interception of ''signals'', whether communications between people (communications intelligence—abbreviated to COMINT) or from electronic signals not directly used in communication ( ...
.


Australia

Australia monitors South Asia and East Asia.


Canada

Canada's geographical proximity to the Soviet Union provided considerable eavesdropping advantages during the
Cold War The Cold War is a term commonly used to refer to a period of geopolitical tension between the United States and the Soviet Union and their respective allies, the Western Bloc and the Eastern Bloc. The term '' cold war'' is used because the ...
. Canada continues to monitor the Russian and Chinese interior while managing intelligence assets in Latin America.


New Zealand

In addition to Southeast Asia, New Zealand is responsible for the western Pacific and maintains listening posts in the
South Island The South Island, also officially named , is the larger of the two major islands of New Zealand in surface area, the other being the smaller but more populous North Island. It is bordered to the north by Cook Strait, to the west by the Tasman ...
at
Waihopai Valley Waihopai Valley is an area near Blenheim in the Marlborough region of the South Island of New Zealand. The Waihopai River drains the area. The Government Communications Security Bureau operates what it describes as a satellite communications ...
just south-west of Blenheim, and on the
North Island The North Island, also officially named Te Ika-a-Māui, is one of the two main islands of New Zealand, separated from the larger but much less populous South Island by the Cook Strait. The island's area is , making it the world's 14th-largest ...
at Tangimoana.


United Kingdom

Europe,
European Russia European Russia (russian: Европейская Россия, russian: европейская часть России, label=none) is the western and most populated part of Russia. It is geographically situated in Europe, as opposed to the cou ...
, Middle East, and Hong Kong.


United States

The US is focused on the Middle East, Russia, and China, in addition to the
Caribbean The Caribbean (, ) ( es, El Caribe; french: la Caraïbe; ht, Karayib; nl, De Caraïben) is a region of the Americas that consists of the Caribbean Sea, its islands (some surrounded by the Caribbean Sea and some bordering both the Caribbean Se ...
and Africa.


9 Eyes, 14 Eyes, and other "third parties"

The "Five Eyes" community is part of an extensive alliance of Western countries sharing
signals intelligence Signals intelligence (SIGINT) is intelligence-gathering by interception of ''signals'', whether communications between people (communications intelligence—abbreviated to COMINT) or from electronic signals not directly used in communication ( ...
with each other. These allied countries include NATO members, other European countries such as Sweden, and allies in the Pacific, in particular Singapore and South Korea. In the 1950s several Nordic countries joined the community as "third party" participants. They were soon followed by Denmark (1954) and West Germany (1955). According to
Edward Snowden Edward Joseph Snowden (born June 21, 1983) is an American and naturalized Russian former computer intelligence consultant who leaked highly classified information from the National Security Agency (NSA) in 2013, when he was an employee and su ...
, the NSA has a "massive body" called the Foreign Affairs Directorate that is responsible for partnering with other Western allies such as Israel. Unlike the "second party" members (that is, the Five Eyes themselves), "third party" partners are not automatically exempt from intelligence targeting. According to an internal NSA document leaked by Snowden, "We (the NSA) can, and often do, target the signals of most 3rd party foreign partners." The Five Eyes are cooperating with various 3rd Party countries in at least two groups: * The "Nine Eyes", consisting of the Five Eyes plus Denmark, France, the Netherlands, and Norway. * The "Fourteen Eyes", consisting of the same countries as the Nine Eyes plus Germany, Belgium, Italy, Spain, and Sweden. The actual name of this group is SIGINT Seniors Europe (SSEUR) and its purpose is coordinating the exchange of military signals intelligence among its members. Germany is reportedly interested in moving closer to the inner circle: an internal GCHQ document from 2009 said that the "Germans were a little grumpy at not being invited to join the 9-Eyes group." Germany may even wish to join Five Eyes. Referring to Five Eyes, former French President
François Hollande François Gérard Georges Nicolas Hollande (; born 12 August 1954) is a French politician who served as President of France from 2012 to 2017. He previously was First Secretary of the Socialist Party (PS) from 1997 to 2008, Mayor of Tulle from ...
has said that his country is "not within that framework and we don't intend to join." According to a former top US official, "Germany joining would be a possibility, but not France – France itself spies on the US far too aggressively for that."


Controversy

During the
2013 NSA leaks Ongoing news reports in the international media have revealed operational details about the Anglophone cryptographic agencies' global surveillance of both foreign and domestic nationals. The reports mostly emanate from a cache of top secret ...
Internet spying scandal, the surveillance agencies of the "Five Eyes" have been accused of intentionally spying on one another's citizens and willingly sharing the collected information with each other, allegedly circumventing laws preventing each agency from spying on its own citizens. The 2013 NSA leaks are not entirely new, but rather, they are a confirmation of earlier disclosures about the UK-US espionage alliance. For example, the British newspaper '' The Independent'' reported back in 1996 that the US National Security Agency "taps UK phones" at the request of the British intelligence agency MI5, thus allowing British agents to evade restrictive limitations on domestic telephone tapping. The mutual surveillance and sharing of information between allies of the UK and US resurfaced again during the
2013 mass surveillance disclosures Thirteen or 13 may refer to: * 13 (number), the natural number following 12 and preceding 14 * One of the years 13 BC, AD 13, 1913, 2013 Music * 13AD (band), an Indian classic and hard rock band Albums * ''13'' (Black Sabbath album), 2013 * ...
. As described by the news magazine ''
Der Spiegel ''Der Spiegel'' (, lit. ''"The Mirror"'') is a German weekly news magazine published in Hamburg. With a weekly circulation of 695,100 copies, it was the largest such publication in Europe in 2011. It was founded in 1947 by John Seymour Chaloner ...
'', this was done to circumvent domestic surveillance regulations:
Britain's GCHQ intelligence agency can spy on anyone but British nationals, the NSA can conduct surveillance on anyone but Americans, and Germany's BND ( Bundesnachrichtendienst) foreign intelligence agency can spy on anyone but Germans. That's how a matrix is created of boundless surveillance in which each partner aids in a division of roles. They exchanged information. And they worked together extensively. That applies to the British and the Americans, but also to the BND, which assists the NSA in its Internet surveillance.
In 2013, Canadian federal judge Richard Mosley strongly rebuked the Canadian Security Intelligence Service (CSIS) for outsourcing its surveillance of Canadians to overseas partner agencies. A 51-page ruling says that the CSIS and other Canadian federal agencies are illegally enlisting US and British allies in global surveillance dragnets, while keeping domestic federal courts in the dark.


Gallery


Officially released

The following documents were jointly released by the NSA and the GCHQ in 2010: Image:UKUSA1.jpg, Cover page of the 1946 UKUSA Agreement Image:UKUSA Agreement 1946.jpg, Signatures of the
Chiefs of staff The title chief of staff (or head of staff) identifies the leader of a complex organization such as the armed forces, institution, or body of persons and it also may identify a principal staff officer (PSO), who is the coordinator of the support ...
of Britain and America (March 1946) Image:UKUSA top secret.jpg, Text under the Top Secret heading: "''To be kept under lock and key: Never to be removed from office.''" (Appendix F) Image:UKUSA Washington.jpg, Photograph of British cryptoanalysts Harry Hinsley, Sir Edward Travis, and John Tiltman


Disclosed by Edward Snowden

The following documents were leaked by
Edward Snowden Edward Joseph Snowden (born June 21, 1983) is an American and naturalized Russian former computer intelligence consultant who leaked highly classified information from the National Security Agency (NSA) in 2013, when he was an employee and su ...
during the course of the 2013 Global surveillance disclosure: Image:NSA Norway.jpg, NSA's relationship with Norway's
NIS Nis, Niš, NiS or NIS may refer to: Places * Niš, a city in Serbia * Nis, Iran, a village * Ness, Lewis ( gd, Nis, links=no), a village in the Outer Hebrides islands Businesses and organizations * Naftna Industrija Srbije, Petroleum Industry of ...
(April 2013) Image:Nsa-internal-pm-on-fra-and-sweden-relations.pdf, NSA's relationship with Sweden's
FRA A friar is a member of one of the mendicant orders founded in the twelfth or thirteenth century; the term distinguishes the mendicants' itinerant apostolic character, exercised broadly under the jurisdiction of a superior general, from the ol ...
under the UKUSA Agreement (April 2013) Image:Israel Memorandum of Understanding SIGINT.pdf, Details of NSA's agreement to share personal data of US citizens with Israel's ISNU Image:BND XKeyscore.jpg, NSA document reveals the German BND's usage of the NSA's XKeyscore to provide "unique contributions" Image:NSA Canada G8 G20.pdf, NSA document on a joint espionage operation with Canada's CSEC agency during the G8 and G20 summits in Toronto in 2010 Image:NSA Canada relationship.pdf, NSA's relationship with Canada's CSEC Image:Notes for Dutch SIGINT-Cyber Analytic Exchange.jpg, Summary of a meeting held in February 2013 between the NSA and the Dutch intelligence services AIVD and
MIVD The Military Intelligence and Security Service (Dutch: ''Militaire Inlichtingen- en Veiligheidsdienst'', MIVD) is the military intelligence service of the Netherlands. It was formerly known as the ''Militaire Inlichtingendienst'' (MID) and receiv ...


See also

*
ABCA Armies ABCANZ Armies (formally, the American, British, Canadian, Australian and New Zealand Armies' Program) is a program aimed at optimizing interoperability and standardization of training and equipment between the armies of Australia, Canada, New Ze ...
*
Air and Space Interoperability Council The Air Force Interoperability Council or AFIC is an organisation tasked with enhancing coalition military aviation amongst the "Five Eyes" countries, which consist of Australia, Canada, New Zealand, the United Kingdom and United States. The orga ...
(air forces) *
Anglosphere The Anglosphere is a group of English-speaking world, English-speaking nations that share historical and cultural ties with England, and which today maintain close political, diplomatic and military co-operation. While the nations included in d ...
*
AUSCANNZUKUS AUSCANNZUKUS is an abbreviation for the naval Command, Control, Communications and Computers (C4) interoperability organization involving the Anglosphere nations of Australia, Canada, New Zealand, the United Kingdom, and the United States. It is als ...
(navies) * CANZUK *
Collective intelligence Collective intelligence (CI) is shared or group intelligence (GI) that emerges from the collaboration, collective efforts, and competition of many individuals and appears in consensus decision making. The term appears in sociobiology, politic ...
*
Combined Communications Electronics Board The Combined Communications-Electronics Board (CCEB) is a five-nation joint military communications-electronics (C-E) organisation whose mission is the coordination of any military C-E matter that is referred to it by a member nation. The member nat ...
(communication-electronics) * Five Eyes (intelligence) *
Five Nations Passport Group The Five Nations Passport Group is an international forum between the passport-issuing authorities of Australia, Canada, New Zealand, the United Kingdom and the United States to share best practices in the issuance, development, and management of p ...
*
Signals intelligence by alliances, nations and industries Signals intelligence by alliances, nations and industries comprises signals intelligence (SIGINT) gathering activities by national and non-national entities; these entities are commonly responsible for communications security (COMSEC) as well. M ...
*
Special Relationship The Special Relationship is a term that is often used to describe the politics, political, social, diplomacy, diplomatic, culture, cultural, economics, economic, law, legal, Biophysical environment, environmental, religion, religious, military ...
*
The Technical Cooperation Program The Technical Cooperation Program (TTCP) is a long-standing international organisation concerned with cooperation on defence science and technology matters, including national security and civil defence. Its membership comprises Australia, Canada, ...
(technology and science)


Notes


References


Further reading

* Bryden, John. ''Best Kept Secret: Canadian Secret Intelligence in the Second World War.'' Toronto:
Lester Publishing Lester & Orpen Dennys was a Canadian book publishing company based in Toronto, originally as Lester & Orpen. It operated as a publisher from 1973 to 1991. Writers who published with the company included Graham Greene, P.D. James, June Callwood, ...
, 1993, . * * Frost, Mike and Michel Gratton. ''Spyworld: Inside the Canadian and American Intelligence Establishments.'' Toronto:
Doubleday Canada Doubleday Canada is an imprint of the publishing company Penguin Random House Canada. The company used to be known as Forboys. It was incorporated in 1936, and since 1945 it has been known as Doubleday Canada Limited. In 1986 parent company Doubl ...
, 1994. * Hamilton, Dwight. ''Inside Canadian Intelligence: Exposing the New Realities of Espionage and International Terrorism''. Toronto: Dundurn Press, 2006. * * Hager, Nicky (1996) ''Secret Power, New Zealand's Role in the International Spy Network''; Craig Potton Publishing, Nelson, NZ; ;
ONLINE EDITION
) * Richelson, Jeffrey T.; Ball, Desmond (1985). ''The Ties That Bind: Intelligence Cooperation Between the UKUSA Countries''. London:
Allen & Unwin George Allen & Unwin was a British publishing company formed in 1911 when Sir Stanley Unwin purchased a controlling interest in George Allen & Co. It went on to become one of the leading publishers of the twentieth century and to establish an ...
. . * Richelson, Jeffrey T. ''The United States Intelligence Community'', fifth ed. Westview Press, Boulder, Colo.; ; 2008. * Rosen, Philip. ''The Communications Security Establishment: Canada's Most Secret Intelligence Agency''. Ottawa: Library of Parliament Research Branch, 1993. * Rudner, Martin. "Canada's Communications Security Establishment: From the Cold War to Globalization", ''Intelligence and National Security''. Volume 16 Number 1 (Spring 2001). 97–128. * Whitaker, Reginald. "Cold War Alchemy: How America, Britain, and Canada Transformed Espionage into Subversion", ''Intelligence and National Security''.


External links


UKUSA Agreement
at The National Archives
UKUSA Agreement Release 1940-1956
at the National Security Agency
Top Level Telecommunications: Five Eyes, 9-Eyes and many more
* Kurt Opsahl,
Electronic Frontier Foundation The Electronic Frontier Foundation (EFF) is an international non-profit digital rights group based in San Francisco, California. The foundation was formed on 10 July 1990 by John Gilmore, John Perry Barlow and Mitch Kapor to promote Internet ci ...

It Always Feels Like the Five Eyes Are Watching You
35C3 The Chaos Communication Congress is an annual conference organized by the Chaos Computer Club. The congress features a variety of lectures and workshops on technical and political issues related to security, cryptography, privacy and online ...
, 2018-28-12. {{DEFAULTSORT:Ukusa Agreement Anglosphere Espionage National Security Agency GCHQ Government databases in the United States Signals intelligence agencies Privacy of telecommunications United States national security policy Australia–United Kingdom relations Australia–United States relations Australia–New Zealand relations Australia–Canada relations Canada–United Kingdom relations Canada–United States relations Canada–New Zealand relations New Zealand–United Kingdom relations New Zealand–United States relations United Kingdom–United States treaties Treaties of Australia Treaties of Canada Secret treaties Treaties of New Zealand Treaties of the United Kingdom Treaties of the United States 1946 establishments in the United Kingdom 1946 establishments in the United States Treaties entered into force in 1946 1946 establishments in Canada Cold War history of Australia