2012 Stratfor email leak: Public disclosure of a number of internal emails between global intelligence company Stratfor's employees and its clients.
Unaoil Leak: A leaked cache of emails dating from 2001 to 2012 sent within Unaoil revealed that Unaoil's operatives bribed officials in oil-producing nations in order to win government-funded projects.
Panama Papers: Public disclosure of 11.5 million leaked documents detailing attorney–client information for more than 214,000 offshore companies associated with the Panamanian law firm and corporate service provider, Mossack Fonseca.
Paradise Papers: Public disclosure of 13.4 million leaked documents relating to offshore investments.
Rosenholz files: A collection of 381 CD-ROMs containing 280,000 files were taken from former East Germany. The files ended up with the Central Intelligence Agency during the German reunification trying to figure out why and who and will not give any info to Germany
Japan
Siemens scandal: A political scandal of late Meiji and Taishō period Japanese politics, leading to the fall of the cabinet of Yamamoto Gonnohyoe. It involved collusion between several high-ranking members of the Imperial Japanese Navy, the British company Vickers and the German industrial conglomerate of Siemens AG.
Luxembourg
Luxembourg Leaks: A leak based on confidential information about Luxembourg’s tax rulings set up by PricewaterhouseCoopers from 2002 to 2010 to the benefits of its clients. This investigation resulted in making available to the public tax rulings for over three hundred multinational companies based in Luxembourg.
Bárcenas affair: Publication of documents that allegedly indicate that the ruling People’s Party kept, for many years, a parallel bookkeeping system to record undeclared and illegal cash donations, and used them to pay bonuses to senior members of the party as well as for daily party expenses.
Switzerland
Swiss Leaks: Publication of a giant tax evasion scheme allegedly operated with the knowledge and encouragement of the British multinational bank HSBC via its Swiss subsidiary, HSBC Private Bank.
Syria Files: A collection of more than two million emails from Syrian political figures and ministries.
United Kingdom
Downing Street memo: Memo of a secret meeting of senior British Labour government, defence and intelligence figures discussing the build-up to the Iraq War.
MI-6 agents list: In May 1999, a list of 116 alleged MI6 agents was sent to the LaRouche movement's publication Executive Intelligence Review, a weekly magazine which published it online.
United States diplomatic cables leak: A WikiLeaks disclosure of classified cables that had been sent to the U.S. State Department by 274 of its consulates, embassies, and diplomatic missions around the world.
Guantanamo Bay files leak: Classified assessments, interviews, and internal memos about detainees, which were written by the Pentagon's Joint Task Force Guantanamo.
CIA interrogation tapes: Videotapes made by CIA during interrogations of Al-Qaeda suspects.
Vault 7: A WikiLeaks disclosure of a CIA's hacking techniques and capabilities to perform electronic surveillance.
Other
Summers memo
Bush–Aznar memo
"" : Alleged NATO Cosmic Top Secret document of few thousand of pages, where just couple of pages of this document is leaked in an obscure British magazine during the 1990s.
