NSIST is kindly sponsored by BAE Systems....BAE Systems provides some of the world's most advanced, technology-led defence, aerospace and security solutions, helping its customers stay ahead of evolving threats across land, sea, air, cyber and space.
15.06.2025 14:03 β π 1 π 1 π¬ 0 π 0
YouTube video by Bletchley Park
Y Stations - Episode 2
youtu.be/oAgHMPfTcGY?...
14.06.2025 17:32 β π 0 π 0 π¬ 0 π 0
The (un)official logo for the WOYG (War Office Y Group) at Beaumanor Hall during the Second World War
14.06.2025 14:04 β π 2 π 2 π¬ 0 π 0
This is Beaumanor Hall in Leicestershire, home of the WOYG (War Office Y Group) and one of the main Army SIGINT hubs of the Second World War
12.06.2025 21:57 β π 2 π 1 π¬ 0 π 1
Graphic showing the War Office Y Group (WOYG) High Frequency (HF) Direction (DF) network
03.06.2025 18:51 β π 1 π 1 π¬ 0 π 0
Manual intercept operator, on duty with the War Office Y Group (WOYG) during the Second World War (from HW41/119)
29.05.2025 15:14 β π 6 π 4 π¬ 0 π 0
Julia Parsons, U.S. Navy Code Breaker During World War II, Dies at 104
Soon after her officer training in Washington, she was recruited to a classified code-breaking team. She kept her work secret for decades, even from her family.
Julia Parsons, a U.S. Navy code breaker during World War II who was among the last survivors of a top-secret team of women that unscrambled messages to and from German U-boats, has died at 104.
01.05.2025 03:21 β π 18917 π 4355 π¬ 586 π 322
YouTube video by Bletchley Park
Y Stations - Episode 1
youtu.be/OY4ZTA5F_T4?...
23.04.2025 20:18 β π 2 π 2 π¬ 0 π 0
Bill's got it right..it's the signature of Alastair Guthrie Denniston, who would become the first Head of GC&CS when it was formed in November 1919.
22.04.2025 18:24 β π 3 π 0 π¬ 0 π 0
Journal of Applied Operational Intelligence
New journal: The Journal of Applied Operational Intelligence is now out. Nine peer-reviewed articles are free to access via www.ubplj.org/index.php/jaoi
Thank you to i2 for its kind sponsorship that ensures free access to readersππ
13.03.2025 13:21 β π 1 π 2 π¬ 0 π 0
The all new 'The_Age_of_AI' exhibition is now open at Bletchley Park
07.02.2025 18:00 β π 2 π 0 π¬ 0 π 0
Some first thoughts on what newly released MI5 files on John Cairncross tell us about his time as a Soviet agent at Bletchley Park available at siginthistorian.blogspot.com. Some new detail, but there's nothing particularly spectacular.
20.01.2025 15:09 β π 10 π 4 π¬ 0 π 0
Coming soon to TNA Kew....
16.01.2025 09:23 β π 1 π 0 π¬ 0 π 0
For over a decade, George Busby has become a specialist in the work of the Radio Security Service at the Gilnahirk Wireless Station in Northern Ireland, during the Second World War. The talk is on 20 March. Tickets are at:
www.niwarmemorial.org/events/north...
14.01.2025 13:57 β π 1 π 0 π¬ 1 π 0
John Young has made public on Cryptome a number of declassified NSA TEMPEST and COMSEC guides and policy notes.
2024-041.7z NSA Releases 49 Declassified Documents on Cryptography, December 31, 2024 (50MB). Link to ZIP archive.
cryptome.org/2024/12/NSA-...
05.01.2025 11:24 β π 6 π 2 π¬ 0 π 0
The UK has some of the oldest and richest signals intelligence (SIGINT), cyber and communications security heritage in the world. NSIST has been established to preserve it - to protect the past for future generations to inform, research and enjoy. Please check out our website at www.nsist.org
11.01.2025 13:11 β π 8 π 6 π¬ 0 π 0
Various interests & likes - which my follows & posts reflect.
Pro-Democracy.
Author of The #SpyWhoLoved (freedom), #WomenWhoFlewForHitler (but ended their lives on opposite sides of history), #WomanWhoSavedTheChildren (but didnβt like them much). #AgentZo (what a hero).
Senior Lecturer in International Security at Brunel University
Consultant, after 40 years with FCO, Cabinet Office, HM Treasury. Specialties: national security, defence, geopolitical analysis.
Intelligence historian, music-lover
π΄ββ #SciComm #PublicEngagement #CitizenScience #Research #LGBTQ | Personal a/c | Prev museum curator + historian of tech + women in #STEM
Military Historian, best-selling author, Prof of History, Documentarian, Creator, Host, Writer, Producer etc. Creaky old Ballplayer.
Historian. Spies, signals intelligence, Second World War. Social and Cultural history. History of humour. Insults = π«
Assist. Prof. of History & Intl Affairs at George Washington U. | Book#1 : Weapons in Space: https://mitpress.mit.edu/9780262547369/weapons-in-s | Now writing a book on the politics/security of global information networks π‘
Historian. International History and Intelligence Studies. AJI Postdoctoral Fellow. Former Press Secretary to the Premier of Nova Scotia.
ISW is a policy research organization focused on U.S. national security. Email: press@understandingwar.org. For more: https://linktr.ee/understandingwar
Author of ACTIVE MEASURES, RISE OF THE MACHINES, CYBER WAR WILL NOT TAKE PLACE, "Attributing Cyber Attacks," more. Johns Hopkins, Alperovitch Institute.
More active on X @ridt
βCyber Security Aceβ - Daily Star
In reality:
* Prof at Blavatnik School, Uni of Oxford
* 1st head, UK National Cyber Security Centre
* ex-Treasury, constitution & security official
* adviser to cyber security companies
* APT Name: Warlike Manatee
Director Operations, NCSC, GCHQ. 30+ years in Government Cyber Operations. Views entirely my own and do not necessarily reflect those of my organisation. π΄σ §σ ’σ ·σ ¬σ ³σ Ώ πΊπ¦
Cyber guy. Former NSA cybersecurity director and chief of TAO. Lover of memes. Warning - occasional outrageous Christmas light content.
π I mainly share posts about contemporary intelligence π΅πΌββοΈπ΅οΈββοΈ, state secrecy π€«, politics π, and cats πββ¬ π.
Intelligence services and military historian
Professor of International Relations, writing on British defence since 1945. In south Wales, an archive or a military museum. Permanently grateful to archivists and librarians.
Professor of British Military History @kcl.ac.uk | Associate Dean Professional & Online Education SSPP | Award-Winning Book: Wandering Army | Next one: Forging Armageddon @YaleBooks.bsky.social | FRHistS
Game Designer/Developer of Fields of Fire by GMT Games.
Does this and that as well.