Washington D.C., November 20, 2025 - Fifty years ago today, a special Senate Committee led by Idaho Senator Frank Church lifted the veil of secrecy on the clandestine efforts of the Central Intelligen...

H-Diplo Authors in Conversation21 November 2025 | PDF: https://hdiplo.org/to/AiC-1 | X: @HDiplo | BlueSky: @h-diplo.bsky.social

A large segment of the Russian ruling elite is still composed of Soviet state security (KGB) officers, including President Vladimir Putin. Professor Filip Kovacevic will discuss the deep-seated KGB my...

Washington, D.C., October 30, 2025 – The CIA experienced “as many failures as successes” in exploring the intelligence applications of LSD and other drugs, according to the October 1975 U.S. Senate te...

Washington, D.C., November 14, 2025 - The State Department quietly deleted important archival records from an official history detailing how a 1983 NATO war game could have led to a catastrophic nucle...

About: The Polly Corrigan Book Prize is a biennial award sponsored by The King’s Centre for Intelligence Studies (KCSI) and Intelligence and National…

An Elevator Pitch for My Book

Anniversaries, documents, and documentaries

A new book describes the largely forgotten roles of scholars in the victories of World War II—and how the Nazis' racist fanaticism doomed Germany

The 2026 Securities Studies Conference will be held in Warsaw, Poland, 29 – 31 May 2026. Submissions to present papers close 8 May 2026. Conference topics include National Security – counterterrorism ...

Based on archival Lithuanian KGB documents

I spoke with intelligence historian Jeff Rogg about the CIA’s history of targeted killing.

How Two Polish Sisters Deceived Soviet Counterintelligence in post-WWII Vilnius

CAMBRIDGE INTELLIGENCE SEMINARMICHAELMAS TERM 2025The Seminar will convene this year through a mixture of online and hybrid events.

A special edition of Diplomacy & Statecraft edited by the UK Foreign, Commonwealth and Development Office Historians, entitled ‘Official History: writing the history of military operations and intelligence’. Articles cover a range of military, intelligence and foreign policy-related issues, and offer an important overview of the strengths and weaknesses of official history as a form of historical scholarship. Several are available open access.