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In the
United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Northwestern Europe, off the coast of European mainland, the continental mainland. It comprises England, Scotlan ...
, D-Notices, officially known since 2015 as DSMA-Notices (Defence and Security Media Advisory Notices), are official requests to news editors not to publish or broadcast items on specified subjects for reasons of
national security National security, or national defence (national defense in American English), is the security and Defence (military), defence of a sovereign state, including its Citizenship, citizens, economy, and institutions, which is regarded as a duty of ...
. DSMA-Notices were originally called Defence Notices (abbreviated to D-Notice) from their inception in 1912 to 1993, and DA-Notices (Defence Advisory Notices) from 1993 until the mid-2010s. A similar D-Notice system was previously operational in
Australia Australia, officially the Commonwealth of Australia, is a country comprising mainland Australia, the mainland of the Australia (continent), Australian continent, the island of Tasmania and list of islands of Australia, numerous smaller isl ...
, but has fallen into disuse.
Sweden Sweden, formally the Kingdom of Sweden, is a Nordic countries, Nordic country located on the Scandinavian Peninsula in Northern Europe. It borders Norway to the west and north, and Finland to the east. At , Sweden is the largest Nordic count ...
maintained a similar "gray notice" system during World War II, as described below.


United Kingdom

In the UK, the original D-notice system was introduced in 1912 and run as a voluntary system by a joint committee headed by an Assistant Secretary of the
War Office The War Office has referred to several British government organisations throughout history, all relating to the army. It was a department of the British Government responsible for the administration of the British Army between 1857 and 1964, at ...
and a representative of the
Press Association PA Media (formerly the Press Association) is a multimedia news agency A news agency is an organization that gathers news reports and sells them to subscribing news organizations, such as newspapers, magazines and All-news radio, radio and ...
. Any D-notices are only advisory requests and are not legally enforceable; hence, news editors can choose not to abide by them. However, they are generally complied with by the media. In 1971, all existing D-notices were cancelled and replaced by standing D-notices, which gave general guidance on what might be published and what was discouraged; and what would require further advice from the secretary of the Defence, Press and Broadcasting Advisory Committee (DPBAC). In 1993, the notices were renamed DA-notices (Defence Advisory Notices). One of the recommendations resulting from the 2015 review of the D-notice system included the renaming of the system to the Defence and Security Media Advisory (DSMA) Committee. This name reflected better the longstanding inclusion of the work of the intelligence agencies. In 2017, the notices were reworded and then reorganized into the following categories: * DSMA-Notice 01: Military Operations, Plans & Capabilities * DSMA-Notice 02: Nuclear and Non-Nuclear Weapon Systems and Equipment * DSMA-Notice 03: Military Counter-Terrorist Forces, Special Forces and Intelligence Agency Operations, Activities and Communication Methods and Techniques * DSMA-Notice 04: Physical Property and Assets * DSMA-Notice 05: Personnel and their Families who work in Sensitive Positions According to an article in ''Defence Viewpoints'', between 1997 and 2008 there were "30 occasions where the committee secretary has written to specific editors when a breach in the D-Notice guidelines is judged to have occurred".


Known uses

In 1967, a political scandal known as the D-notice affair occurred, when Prime Minister
Harold Wilson James Harold Wilson, Baron Wilson of Rievaulx (11 March 1916 – 23 May 1995) was a British statesman and Labour Party (UK), Labour Party politician who twice served as Prime Minister of the United Kingdom, from 1964 to 1970 and again from 197 ...
made an attack on the ''
Daily Express The ''Daily Express'' is a national daily United Kingdom middle-market newspaper printed in Tabloid (newspaper format), tabloid format. Published in London, it is the flagship of Express Newspapers, owned by publisher Reach plc. It was first ...
'' newspaper, accusing it of breaching two D-notices which advised the press not to publish material which might damage national security. When the newspaper asserted it had not been advised of any breach, an inquiry was set up under a committee of
privy counsellor The Privy Council, formally His Majesty's Most Honourable Privy Council, is a formal body of advisers to the sovereign of the United Kingdom. Its members, known as privy counsellors, are mainly senior politicians who are current or former ...
s. The committee found against the government, whereupon the government refused to accept its findings on the disputed article, prompting press outrage and the resignation of the secretary of the D-notice committee. ''
The Guardian ''The Guardian'' is a British daily newspaper. It was founded in Manchester in 1821 as ''The Manchester Guardian'' and changed its name in 1959, followed by a move to London. Along with its sister paper, ''The Guardian Weekly'', ''The Guardi ...
'' has reported that in 1971, four days following the Baker Street robbery, a D-notice was issued, requesting that reporting be discontinued for reasons of national security. It is claimed that some security boxes contained embarrassing or nationally sensitive material. However, an investigation some years later showed that a request had never been made to the D-notice committee. ''
The Times ''The Times'' is a British Newspaper#Daily, daily Newspaper#National, national newspaper based in London. It began in 1785 under the title ''The Daily Universal Register'', adopting its modern name on 1 January 1788. ''The Times'' and its si ...
'' newspaper was still reporting about the case over two months later. In 2004 and 2005, three blanket letters were sent to newspapers advising against publication of countermeasures used against roadside ambushes of British forces in the
Iraq War The Iraq War (), also referred to as the Second Gulf War, was a prolonged conflict in Iraq lasting from 2003 to 2011. It began with 2003 invasion of Iraq, the invasion by a Multi-National Force – Iraq, United States-led coalition, which ...
. In 2008, a D-notice was issued to prevent further disclosure relating to sensitive anti-terror documents left on a train by a senior civil servant. On 8 April 2009, the committee issued a D-notice in relation to sensitive anti-terror documents photographed when Assistant Commissioner Bob Quick arrived at Downing Street for talks about current police intelligence. On 25 November 2010, just prior to the publication of the United States diplomatic cables by
WikiLeaks WikiLeaks () is a non-profit media organisation and publisher of leaked documents. It is funded by donations and media partnerships. It has published classified documents and other media provided by anonymous sources. It was founded in 2006 by ...
, the committee issued a D-notice, which
Index on Censorship Index on Censorship is an organisation campaigning for freedom of expression. It produces a quarterly magazine of the same name from London. It is directed by the non-profit-making Writers and Scholars International, Ltd (WSI) in association wit ...
said "effectively ... sks that itbe briefed by newspaper editors before any new revelations are published". WikiLeaks tweeted that the "UK Government has issued a 'D-notice' warning to all UK news editors, asking to be briefed on upcoming WikiLeaks stories". Simon Bucks, the Vice Chair of DPBAC, wrote that the tweet was "inaccurate and reflect a serious misunderstanding of the DA-Notice system". In October 2013, Prime Minister
David Cameron David William Donald Cameron, Baron Cameron of Chipping Norton (born 9 October 1966) is a British politician who served as Prime Minister of the United Kingdom from 2010 to 2016. Until 2015, he led the first coalition government in the UK s ...
made a veiled threat to newspapers over the reporting of
Edward Snowden Edward Joseph Snowden (born June 21, 1983) is a former National Security Agency (NSA) intelligence contractor and whistleblower who leaked classified documents revealing the existence of global surveillance programs. Born in 1983 in Elizabeth ...
's NSA and
GCHQ Government Communications Headquarters (GCHQ) is an intelligence and security organisation responsible for providing signals intelligence (SIGINT) and information assurance (IA) to the government and armed forces of the United Kingdom. Primar ...
leaks, stating in Parliament that the government might use "injunctions or D-notices or the other tougher measures" to restrain publication of leaked classified information if newspapers did not voluntarily stop publishing them. In 2017, a notice was issued to British journalists regarding revealing the author of the controversial
Steele dossier The Steele dossier, also known as the Trump–Russia dossier, is a controversial political opposition research report on the Donald Trump 2016 presidential campaign, 2016 presidential campaign of Donald Trump compiled by counterintelligen ...
alleging collusion between
Donald Trump Donald John Trump (born June 14, 1946) is an American politician, media personality, and businessman who is the 47th president of the United States. A member of the Republican Party (United States), Republican Party, he served as the 45 ...
and the
Russian government The Russian Government () or fully titled the Government of the Russian Federation () is the highest federal executive governmental body of the Russian Federation. It is accountable to the president of the Russian Federation and controlled by ...
during the 2016 presidential election. Multiple British outlets ignored this advisory and revealed his name anyway, including
BBC News BBC News is an operational business division of the British Broadcasting Corporation (BBC) responsible for the gathering and broadcasting of news and current affairs in the UK and around the world. The department is the world's largest broad ...
, ''
The Daily Telegraph ''The Daily Telegraph'', known online and elsewhere as ''The Telegraph'', is a British daily broadsheet conservative newspaper published in London by Telegraph Media Group and distributed in the United Kingdom and internationally. It was found ...
'' and ''
The Guardian ''The Guardian'' is a British daily newspaper. It was founded in Manchester in 1821 as ''The Manchester Guardian'' and changed its name in 1959, followed by a move to London. Along with its sister paper, ''The Guardian Weekly'', ''The Guardi ...
''. On 7 March 2018 and on 14 March 2018, two notices were issued to protect MI6 in relation to some aspects of the Skripal affair. In the early 1990s Sergei Skripal was recruited by Pablo Miller, the MI6 agent inside the UK embassy to
Estonia Estonia, officially the Republic of Estonia, is a country in Northern Europe. It is bordered to the north by the Gulf of Finland across from Finland, to the west by the Baltic Sea across from Sweden, to the south by Latvia, and to the east by Ru ...
in
Tallinn Tallinn is the capital city, capital and List of cities in Estonia, most populous city of Estonia. Situated on a Tallinn Bay, bay in north Estonia, on the shore of the Gulf of Finland of the Baltic Sea, it has a population of (as of 2025) and ...
. The MI6 officer under diplomatic cover in Moscow at this time was Christopher Steele. Miller was also the handler of Skripal after he went to jail and was released by Russia in a spy swap. Both lived in
Salisbury Salisbury ( , ) is a city status in the United Kingdom, cathedral city and civil parish in Wiltshire, England with a population of 41,820, at the confluence of the rivers River Avon, Hampshire, Avon, River Nadder, Nadder and River Bourne, Wi ...
. Steele and Miller worked for
Orbis Business Intelligence Christopher David Steele (born 24 June 1964) is a British former intelligence officer with the Secret Intelligence Service (MI6) from 1987 until his retirement in 2009. He ran the Russia desk at SIS Building, MI6 headquarters in London between ...
which compiled the controversial
Steele dossier The Steele dossier, also known as the Trump–Russia dossier, is a controversial political opposition research report on the Donald Trump 2016 presidential campaign, 2016 presidential campaign of Donald Trump compiled by counterintelligen ...
, comprising 17 memos written in 2016 alleging misconduct and conspiracy between Donald Trump's presidential campaign and the
Putin Vladimir Vladimirovich Putin (born 7 October 1952) is a Russian politician and former intelligence officer who has served as President of Russia since 2012, having previously served from 2000 to 2008. Putin also served as Prime Minister of Ru ...
administration. While the precise nature of the relations between Skripal, Miller, and Steele were hidden, enough was already known to raise questions about Skripal's ongoing involvement with British intelligence.


Australia

A voluntary system of D-Notices was also used in
Australia Australia, officially the Commonwealth of Australia, is a country comprising mainland Australia, the mainland of the Australia (continent), Australian continent, the island of Tasmania and list of islands of Australia, numerous smaller isl ...
starting in 1952 during the
Cold War The Cold War was a period of global Geopolitics, geopolitical rivalry between the United States (US) and the Soviet Union (USSR) and their respective allies, the capitalist Western Bloc and communist Eastern Bloc, which lasted from 1947 unt ...
period; these were issued by the Defence, Press and Broadcasting Committee. At the first meeting of the Committee, eight D-Notices were issued covering atomic tests in Australia, aspects of naval shipbuilding, official ciphering, the number and deployment of
Centurion tank The FV4007 Centurion was the primary main battle tank of the British Army during the post-World War II period. Introduced in 1945, it is one of the most successful post-war tank designs, remaining in production into the 1960s, and seeing comba ...
s, troop movements in the
Korean War The Korean War (25 June 1950 – 27 July 1953) was an armed conflict on the Korean Peninsula fought between North Korea (Democratic People's Republic of Korea; DPRK) and South Korea (Republic of Korea; ROK) and their allies. North Korea was s ...
, weapons and equipment information not officially released, aspects of air defence and certain aerial photographs. In 1974, the number of D-Notices was reduced to four, covering: # Technical information regarding navy, army and air force weapons, weapons systems, equipment and communications systems; # Air operational capability and air defences; # Whereabouts of Vladimir Petrov and Evdokia Petrova; and # Ciphering and monitoring activities. A fifth D-Notice relating to the
Australian Secret Intelligence Service The Australian Secret Intelligence Service (ASIS ) is the foreign intelligence agency of the Commonwealth of Australia, responsible for gathering, processing, and analysing national security information from around the world, primarily throug ...
(ASIS) was issued in 1977. In 1982, D-Notices were again revised to four. * D Notice 1: Capabilities of the Australian Defence Force, Including Aircraft, Ships, Weapons, and Other Equipment; * D Notice 2: Whereabouts of Vladimir Petrov and Evdokia Petrova; * D Notice 3: Signals Intelligence and Communications Security; and * D Notice 4:
Australian Secret Intelligence Service The Australian Secret Intelligence Service (ASIS ) is the foreign intelligence agency of the Commonwealth of Australia, responsible for gathering, processing, and analysing national security information from around the world, primarily throug ...
(ASIS). The Defence, Press and Broadcasting Committee has not met since 1982 although the D-Notice system remains the administrative responsibility of the Minister for Defence. The D-Notice system fell out of common use at the end of the Cold War but remained in force. The 1995 Commission of Inquiry into the Australian Secret Intelligence Service reported that newspapers confessed ignorance that the D-Notice system was still operating when it was drawn to their attention in 1993 and 1994. On 26 November 2010, Australian Attorney-General Robert McClelland sent a letter to heads of Australian media and other organisations proposing the creation of a new system similar to the D-Notice system. The proposed National Security Legislation Amendment Bill (2014) has been described as an extension of the D-Notice system that would subject journalists who reveal details of intelligence operations to criminal penalties.


Sweden

During
World War II World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...
, the
government agency A government agency or state agency, sometimes an appointed commission, is a permanent or semi-permanent organization in the machinery of government (bureaucracy) that is responsible for the oversight and administration of specific functions, s ...
distributed to the media. The notes requested the media not to report on certain events that were not to become public knowledge for political or military reasons. During the war, a total of 260 gray notices were distributed to the media.Ingrid Adielsson.
Det ofria ordet — Censur och tryckrihet 1766–1810 och 1920–1945
(p 54), Magisteruppsats vid Uppsala Universitet, hösten 2007. Åtkomst den 15 april 2018.


In popular culture

The use of the D-Notice is demonstrated and referenced several times in the first episode of the ''
Black Mirror ''Black Mirror'' is a British anthology series, anthology television series created by Charlie Brooker. Most episodes are set in near-future dystopias containing Science fiction, sci-fi technology—a type of speculative fiction. The series i ...
'' television series, first aired in 2011. The episode is titled " The National Anthem" and within it the UK government imposes a D-Notice to try to stifle a controversial ransom demand that the (fictional) prime minister have sex with a pig to secure the release of a member of the royal family. In his 1968 novel ''Web of Silence'', John Wainwright writes “A ‘D Notice’ gets slapped on the inquiry... The newspapers are gagged from the word ‘go’.” After that, “slapping” became the ''mot juste'' for D-Notices in popular culture. In the comic book series ''
Transmetropolitan ''Transmetropolitan'' is a cyberpunk transhumanist comic book series written by Warren Ellis and drawn by Darick Robertson; it was published by the American company DC Comics in 1997–2002. The series was originally part of the short-lived DC C ...
'' (1997), a legally binding type of D-Notice is issued by the US President in an attempt to prevent the main character, gonzo journalist Spider Jerusalem, from exposing police corruption and a government-sponsored massacre. The film ''
Defence of the Realm ''Defence of the Realm'' is a 1986 British political thriller film directed by David Drury, starring Gabriel Byrne, Greta Scacchi, and Denholm Elliott, with Robbie Coltrane in a minor role. The film takes its title from the Defence of the R ...
'' (1986) illustrates the implications of the D-Notice protocols. In the film '' The Bank Job'' (2008), MI5 discusses issuing a D-Notice about sensitive photos stolen from a safe deposit box during a bank heist. In the film '' Official Secrets'' (2019), a journalist from ''The Observer'' questions whether a D-Notice would be applied to a story which exposes intelligence leaked by a GCHQ employee. In Season 2 (2021) of the
Sky One Sky One was a British pay television channel operated and owned by Sky Group (a division of Comcast). Originally launched on 26 April 1982 as Satellite Television, it was Europe's first satellite and non- terrestrial channel. From 31 July 1989, ...
television drama series ''
COBRA COBRA or Cobra, often stylized as CoBrA, was a European avant-garde art group active from 1948 to 1951. The name was coined in 1948 by Christian Dotremont from the initials of the members' home countries' capital cities: Copenhagen (Co), Brussels ...
'', the Foreign Secretary points out that a D-Notice could be issued to prevent unwanted journalistic reporting, and has it pointed out to him by the Head of MI5 that they are now called DSMA-Notices. In Season 4 Episode 1 (2017) of ''Sherlock'', Mycroft Holmes mentions putting out a D-Notice to prevent any unauthorised disclosure of the contents of the meeting held behind closed doors. In Season 2 Episode 2 of the
BBC The British Broadcasting Corporation (BBC) is a British public service broadcaster headquartered at Broadcasting House in London, England. Originally established in 1922 as the British Broadcasting Company, it evolved into its current sta ...
television series '' The Capture'' (2019), at 32 minutes in, DSU Gemma Garland (played by Lia Williams) mentions 'you can't broadcast it; we'll slap a D-Notice on it.' In Season 2, Episode 3 of the ITV television drama
Trigger Point Myofascial trigger points (MTrPs), also known as trigger points, are described as hyperirritable spots in the skeletal muscle. They are associated with palpable nodules in taut bands of muscle fibers. They are a topic of ongoing controvers ...
, Commander John Francis (portrayed by Julian Ovenden) makes a veiled threat to issue a D-Notice, to silence a journalist and their editor following an explosive device being sent to the journalist's place of work. The editor acknowledges that they are not legally binding.


See also

* *
Classified information in the United Kingdom Classified information in the United Kingdom is a system used to protect information from intentional or inadvertent release to unauthorised readers. The system is organised by the Cabinet Office and is implemented throughout central and local gover ...
*
Media blackout A media blackout is the censorship of news related to a certain topic, particularly in mass media, for any reason. A media blackout may be self-imposed or voluntary or enforced by the government or State (polity), state. In countries with stro ...
*
Prior restraint Prior restraint (also referred to as prior censorship or pre-publication censorship) is censorship imposed, usually by a government or institution, on expression, that prohibits particular instances of expression. It is in contrast to censorship ...
*
Right to be forgotten The right to be forgotten (RTBF) is the right to have private information about a person be removed from Internet searches and other directories in some circumstances. The issue has arisen from desires of individuals to "determine the developmen ...
, sometimes called a "G-notice"Editorialists have dubbed this the "G-notice", as
Google Google LLC (, ) is an American multinational corporation and technology company focusing on online advertising, search engine technology, cloud computing, computer software, quantum computing, e-commerce, consumer electronics, and artificial ...
delivers notices to news publications that their articles cannot be indexed.
*
Super-injunctions in English law In English tort law, a super-injunction is a type of injunction that prevents publication of information that is in issue and also prevents the reporting of the fact that the injunction exists at all. The term was coined by a '' Guardian'' journ ...


References


Further reading

* Publication delayed pages covering 1997–2004, TNA DEFE 53/21.


External links

*{{official website, http://dsma.uk
National Archives of Australia
Censorship in the United Kingdom Censorship in Australia 1912 introductions 1912 establishments in the United Kingdom Broadcasting in the United Kingdom Mass media in the United Kingdom