Sign in

Dr Brianna Rosen

@briannarosen.bsky.social
805 followers 163 following 5 posts

Senior Fellow and Director, AI and Emerging Tech Initiative at Just Security | Senior Research Associate at the University of Oxford | Formerly White House NSC Website: www.drbriannarosen.com

PostsRepliesMedia
Reposted by Dr Brianna Rosen
Mary Dudziak @marydudziak.bsky.social · 11/09/2025
Congratulations to @briannarosen.bsky.social on the upcoming publication of Perpetual War and International Law: Enduring Legacies of the War on Terror. My contribution: How Law, History, and Culture Enabled Perpetual War. global.oup.com/academic/pro...
33210
Reposted by Dr Brianna Rosen
Just Security @justsecurity.org · 11/09/2025
New book alert! 📚 "Perpetual War and International Law: Enduring Legacies of the War on Terror" (OUP), ed @briannarosen.bsky.social. Marking 24th anniversary of #September11, it offers a timely reflection on how the post-9/11 era shapes contemporary conflicts. www.justsecurity.org/120313/perpe...
justsecurity.org
Book Release – Perpetual War and International Law: Enduring Legacies of the War on Terror
Introducing a new book series confronting the enduring legacies of the post-9/11 era and exploring viable alternatives to the use of force.
12115
Reposted by Dr Brianna Rosen
Just Security @justsecurity.org · 24/07/2025
The Trump administration has released its long-awaited #AI Action Plan. Leading experts Josh Geltzer, Jennifer Marron, @briannarosen.bsky.social, and @samwl.bsky.social unpack the plan, its implications, and what lies ahead. www.justsecurity.org/117752/just-...
justsecurity.org
The Just Security Podcast: Decoding Trump’s AI Playbook: The AI Action Plan and What Comes Next
Joshua Geltzer, Jenny Marron and Sam Winter-Levy join Brianna Rosen on the show to discuss the Trump administration's U.S. AI Action Plan.
22013
Dr Brianna Rosen @briannarosen.bsky.social · 26/06/2025
On the heels of the DoD presser and congressional briefings on Iran... My latest on how the growing politicization of the U.S. #IntelligenceCommunity undermines decision-making on Iran and national security more broadly. 👇 #MidnightHammer #ODNI www.justsecurity.org/115642/intel...
justsecurity.org
Intelligence Implications of the Shifting Iran Strike Narrative
How the growing politicization of U.S. Intelligence Community under Trump undermines the integrity of decision-making on Iran and national security more broadly.
172
Reposted by Dr Brianna Rosen
Ryan Goodman @rgoodlaw.bsky.social · 26/06/2025
Must read piece Directly engaging issues of the day on US strike on Iran @briannarosen.bsky.social focuses on the high stakes in concerns about the politicization of intelligence community's work. She also offers concrete proposals to address the identified risks.
justsecurity.org
Intelligence Implications of the Shifting Iran Strike Narrative
How the growing politicization of U.S. Intelligence Community under Trump undermines the integrity of decision-making on Iran and national security more broadly.
49345
Reposted by Dr Brianna Rosen
Ryan Goodman @rgoodlaw.bsky.social · 22/06/2025
A must read analysis. I can't recommend this highly enough. True expertise on the most pressing issues now. By @briannarosen.bsky.social @tessbridgeman.bsky.social and Nima Gerami
justsecurity.org
The Day After U.S. Strikes on Iran’s Nuclear Program: A Policy and Legal Assessment
An expert policy and legal assessment of the U.S. strikes on Iran's nuclear facilities and what comes next.
15351159
Reposted by Dr Brianna Rosen
Blavatnik School of Government @blavatnikschool.bsky.social · 20/06/2025
With rising conflict between Israel and Iran, Dr @briannarosen.bsky.social‬ highlights the critical strategic challenges facing the US. 👇
031
Reposted by Dr Brianna Rosen
Kim Zetter @kimzetter.bsky.social · 13/06/2025
Regarding recent news that Microsoft et al plan to *not* eliminate silly threat actor names, @ciaranm.bsky.social m.bsky.social and Jen Easterly weigh in on the silliness and call for a moratorium on ridiculous marketing names for state-sponsored Russian/Chinese/Iranian/NK hacker groups.
justsecurity.org
Call Them What They Are: Time to Fix Cyber Threat Actor Naming
The Microsoft-CrowdStrike partnership on cyber threat actor naming conventions is welcome, but more comprehensive reform is needed to serve defenders and the public.
4269
Reposted by Dr Brianna Rosen
Just Security @justsecurity.org · 14/05/2025
Listen to @ldfreedman.bsky.social, @janinadill.bsky.social, & @briannarosen.bsky.social's expert discussion, part of Oxford University's Calleva-Airey Neave Global Security Seminar Series: www.justsecurity.org/113355/podca...
justsecurity.org
The Just Security Podcast: Peace Diplomacy and the Russo-Ukraine War
How should we understand the prospects for sustainable peace in Ukraine amidst geopolitical and battlefield uncertainty?
053
Reposted by Dr Brianna Rosen
Just Security @justsecurity.org · 14/05/2025
Ahead of peace talks in Istanbul tomorrow, @ldfreedman.bsky.social sits down with @janinadill.bsky.social & @briannarosen.bsky.social to discuss the future of the Russian-Ukraine War. www.justsecurity.org/113355/podca...
justsecurity.org
The Just Security Podcast: Peace Diplomacy and the Russo-Ukraine War
How should we understand the prospects for sustainable peace in Ukraine amidst geopolitical and battlefield uncertainty?
1103
Reposted by Dr Brianna Rosen
Just Security @justsecurity.org · 17/04/2025
Is a distinct Trump strategy for AI beginning to emerge—and what will that mean for the United States and the rest of the world?  Joshua Geltzer in conversation with @briannarosen.bsky.social on #TheJustSecurityPodcast www.justsecurity.org/110517/the-j...
justsecurity.org
The Just Security Podcast: Trump’s AI Strategy Takes Shape
Is a distinct Trump strategy for AI beginning to emerge—and what will that mean for the United States and the rest of the world?
293
Reposted by Dr Brianna Rosen
Blavatnik School of Government @blavatnikschool.bsky.social · 10/04/2025
The need for safe and secure technology has never been more urgent. We’ve launched the Oxford Programme for Cyber and Technology Policy to help governments adopt AI and emerging tech responsibly 📊🤝 Co-directed by @ciaranm.bsky.social & @briannarosen.bsky.social 👇
youtube.com
Professor Ciaran Martin introduces the Oxford Programme for Cyber and Technology Policy
The need for safe and secure technology has never been more urgent. The Oxford Programme for Cyber and Technology Policy (OxCTP) helps governments navigate t...
0105
Reposted by Dr Brianna Rosen
Just Security @justsecurity.org · 08/04/2025
(2/2) Listen to our podcast, where @briannarosen.bsky.social, Lennart Heim, Keegan McBride, & @typewriters.bsky.social unpack the implications for national security and U.S.-China competition. ⬇️ www.justsecurity.org/107337/just-...
justsecurity.org
The Just Security Podcast: Diving Deeper into DeepSeek
Brianna Rosen, Lennart Heim, Keegan McBride, & Lauren Wagner discuss what DeepSeek means for national security and U.S. policy going forward.
072
Reposted by Dr Brianna Rosen
Ciaran Martin @ciaranm.bsky.social · 15/03/2025
A huge thanks to Richard Horne, head of 🇬🇧 National Cyber Security Centre, for being the inaugural guest at the Oxford Cyber & Tech Policy Programme on Wednesday. Thx to the large crowd in person & online too! Memorable evening; more to come @blavatnikschool.bsky.social @ox.ac.uk @ncsc.gov.uk
0152
Reposted by Dr Brianna Rosen
Ciaran Martin @ciaranm.bsky.social · 15/03/2025
Next up for the Oxford Cyber and Tech Policy Programme: so excited to announce that we’ll have, all the way from Australia, the world authority on data breaches, the one and only Troy Hunt! Weds 26th March at 5pm. Sign up online or in person 1/2 www.bsg.ox.ac.uk/events/lesso...
bsg.ox.ac.uk
Lessons from billions of data breaches
Hear from Troy Hunt, creator of “Have I Been Pwned”, about the lessons he has learned after processing 15 billion records of breached data.
1228
Reposted by Dr Brianna Rosen
Blavatnik School of Government @blavatnikschool.bsky.social · 12/03/2025
It's not too late to register for tonight's launch of the Oxford Programme for Cyber and Technology Policy, co-directed by Prof @ciaranm.bsky.social and Dr @briannarosen.bsky.social. Join online or in person at the School. 👇 www.bsg.ox.ac.uk/events/launc...
052
Reposted by Dr Brianna Rosen
Blavatnik School of Government @blavatnikschool.bsky.social · 07/03/2025
'Mistakes are going to be made, and some of those mistakes may have very serious consequences.' Dr Brianna Rosen (@briannarosen.bsky.social) comments in @theguardian.com on the Israeli military's creation of a ChatGPT-like tool. 👇
buff.ly
Revealed: Israeli military creating ChatGPT-like tool using vast collection of Palestinian surveillance data
The powerful new AI model is designed to analyze intercepted communications – but experts say such systems can exacerbate biases and are prone to making mistakes
022
Reposted by Dr Brianna Rosen
Ciaran Martin @ciaranm.bsky.social · 03/03/2025
It's a vital time to try to make sense of tech and cyber policy issues. So over the next few months, following there'll be a whole series of expert speakers from all over the world. There'll be research projects and other stuff too. More details of the programme are here 2/2 bit.ly/3F25RSJ
bit.ly
New programme to help governments navigate cyber and emerging technologies
With ransomware and AI-driven cyberattacks on the rise, the need for a safe and secure cyberspace has never been more important. To help governments navigate the cyber frontier and encourage the respo...
0118
Reposted by Dr Brianna Rosen
Ciaran Martin @ciaranm.bsky.social · 03/03/2025
So pleased to announce the launch event for the new @blavatnikschool.bsky.social at Oxford Tech and Cyber Policy Programme. The brilliant Richard Horne, head of the National Cyber Security Centre, will be speaking next Weds at 5pm. Sign up in person or online! 1/2 bit.ly/3D66x98
bit.ly
Launch of the Oxford Programme for Cyber and Technology Policy
Join us for the launch of the Oxford Programme for Cyber and Technology Policy (OxCTP). Professor Ciaran Martin and Richard Horne, CEO of the NCSC, will discuss the evolving cyber threat landscape and...
1177
Reposted by Dr Brianna Rosen
Blavatnik School of Government @blavatnikschool.bsky.social · 24/02/2025
📢 Just announced: Richard Horne, CEO of the UK's National Cyber Security Centre (@ncsc.gov.uk) to join Professor @ciaranm.bsky.social at the launch of the Oxford Programme of Cyber and Technology Policy. 📅 12 March, at the School or online Register ⬇️ buff.ly/432saS8
013
Reposted by Dr Brianna Rosen
Just Security @justsecurity.org · 12/02/2025
The Artificial Intelligence Action Summit recently concluded in Paris, France. @briannarosen.bsky.social, Director of Just Security’s AI and Emerging Technologies Initiative, joins the podcast to discuss key takeaways from the Summit. Listen 👇 www.justsecurity.org/107813/podca...
justsecurity.org
The Just Security Podcast: Key Takeaways from the Artificial Intelligence Action Summit
Brianna Rosen joins the podcast to recap key takeaways from the recently concluded Artificial Intelligence Action Summit.
0175
Reposted by Dr Brianna Rosen
Blavatnik School of Government @blavatnikschool.bsky.social · 10/02/2025
📣 NEW: The Oxford Programme for Cyber and Technology Policy, directed by Prof @ciaranm.bsky.social and Dr @briannarosen.bsky.social 📅 The launch event on 12th March will feature a senior member of the UK National Cyber Security Centre in partnership with @justsecurity.org. 🔗 lnkd.in/eNxR47WK
bsg.ox.ac.uk
New programme to help governments navigate cyber and emerging technologies
With ransomware and AI-driven cyberattacks on the rise, the need for a safe and secure cyberspace has never been more important. To help governments navigate the cyber frontier and encourage the responsible of adoption of emerging technologies, the Blavatnik School is establishing the Oxford Programme for Cyber and Technology Policy.
132
Reposted by Dr Brianna Rosen
Just Security @justsecurity.org · 06/02/2025
Is there a tech coup underway in the US? What does it mean for democracy and global #AI governance? Just Security's @briannarosen.bsky.social sat down with @marietjeschaake.bsky.social to discuss her latest book, tech policy under Trump, and what comes next. www.justsecurity.org/105395/qa-ma...
justsecurity.org
Q&A with Mariejte Schaake on the Tech Coup and Trump
A Q&A with Mariejte Schaake, author of The Tech Coup: How to Save Democracy from Silicon Valley, on Big Tech and threats to democracy.
26242
Reposted by Dr Brianna Rosen
Blavatnik School of Government @blavatnikschool.bsky.social · 06/02/2025
We are delighted to announce the appointment of Amal Clooney as a Visiting Professor of Practice in international law at the Blavatnik School of Government. @ox.ac.uk 🔗 www.bsg.ox.ac.uk/news/amal-cl...
1245
Reposted by Dr Brianna Rosen
Just Security @justsecurity.org · 04/02/2025
Beyond the hype, we dispel myths and misconceptions surrounding China's #DeepSeekAI. Dive deeper into DeepSeek with @briannarosen.bsky.social, Lennart Heim, Keegan McBride, & @typewriters.bsky.social: justsecuritypodcast.buzzsprout.com/2074610/epis...
justsecuritypodcast.buzzsprout.com
Diving Deeper into DeepSeek - The Just Security Podcast
The tech industry is calling this AI’s “Sputnik Moment” – and President Donald Trump has said it’s a “wake-up call” for U.S. companies. We’re talking about DeepSeek, the Chinese AI startup that has ra...
12710
Reposted by Dr Brianna Rosen
Just Security @justsecurity.org · 21/01/2025
How widely should the US share its #AI technologies? Amid growing competition with #China, the Trump admin will have to grapple with this question as it reviews the Biden-era diffusion rule, writes @samwl.bsky.social. www.justsecurity.org/106545/the-f...
justsecurity.org
The Future of the AI Diffusion Framework
The Biden administration's AI diffusion rule is another salvo in the United States' escalating AI competition with China.
393
Reposted by Dr Brianna Rosen
Just Security @justsecurity.org · 21/01/2025
Yesterday, the Trump admin rescinded Biden's EO on AI. Biden's #CyberSecurity EO may be next. Still, the order reflects an important - largely bipartisan - view of the evolving #cyber threat landscape and how the US should respond, writes David Aaron. www.justsecurity.org/106567/biden...
justsecurity.org
Biden’s Cybersecurity Executive Order and What Comes Next Under Trump
Regardless of what steps the Trump administration decides to take, Biden's cybersecurity EO represents an important compilation of cybersecurity threats and best practices.
12614
Reposted by Dr Brianna Rosen
Just Security @justsecurity.org · 16/01/2025
On Tuesday, Biden issued an executive order to advance U.S. leadership on #AI infrastructure and reduce its impact on the #ClimateCrisis. Just Security’s Clara Apt & @briannarosen.bsky.social unpack the implications of the EO and its fate under the incoming Trump admin
justsecurity.org
Unpacking the Biden Administration’s Executive Order on AI Infrastructure
The Biden administration's latest executive order on AI aims to promote the development of frontier AI infrastructure.
1247
Reposted by Dr Brianna Rosen
Tess Bridgeman @tessbridgeman.bsky.social · 06/01/2025
Thrilled to announce today @briannarosen.bsky.social as inaugural director of @justsecurity.org's new Artificial Intelligence and Emerging Technologies Initiative! We look forward to partnering with @blavatnikschool.bsky.social (@ox.ac.uk). Stay tuned: www.justsecurity.org/106105/annou...
justsecurity.org
Announcing Just Security’s Artificial Intelligence and Emerging Technologies Initiative
Introducing Just Security's new initiative on the challenges and opportunities presented by transformative technologies.
082
Reposted by Dr Brianna Rosen
Asaf Lubin @asaflubin.bsky.social · 06/01/2025
Important space to follow, and a great thought leader leading it @briannarosen.bsky.social!
194
Reposted by Dr Brianna Rosen
Ryan Goodman @rgoodlaw.bsky.social · 17/12/2024
Tour de force on trajectory of US, EU, China policy on global governance of #AI, including in national security. How much US policy may not be as different as before, but what may significantly change - with possible consequences. By @briannarosen.bsky.social www.justsecurity.org/105752/ai-pr...
justsecurity.org
The AI Presidency: What “America First” Means for Global AI Governance
"America First" risks becoming "America Alone" if the United States does not engage with a growing constellation of AI stakeholders.
04115