Justin Sherman
@jshermcyber.bsky.social
Cyber, privacy, tech policy, geopolitics @ Global Cyber Strategies, Georgetown SFS, EPIC, Georgetown Law, Atlantic Council, Lawfare. Views my own. He/him
Book “Navigating Technology and National Security” out Dec. 2025
https://globalcyberstrategies.com
Book “Navigating Technology and National Security” out Dec. 2025
https://globalcyberstrategies.com
Reposted by Justin Sherman
@jshermcyber.bsky.social explores the risks posed to U.S. national security from data brokers in Europe and what can be done to protect American’s data from adversarial exploitation. www.lawfaremedia.org/article/euro...
Europe’s Data Broker Problem Threatens U.S. National Security
Data brokerage in Europe is putting U.S. service members and personnel at risk. The U.S. is waiting on Europe to step in.
www.lawfaremedia.org
October 6, 2025 at 4:27 PM
@jshermcyber.bsky.social explores the risks posed to U.S. national security from data brokers in Europe and what can be done to protect American’s data from adversarial exploitation. www.lawfaremedia.org/article/euro...
Reposted by Justin Sherman
On October 1, join Lawfare for a free, in-person event marking the culmination of our multi-year project on Security by Design!
Speakers include @rosenzweigp.bsky.social, Jen Easterly, @jackhcable.bsky.social, James A. Lewis, Lauren Zabierek, and @jshermcyber.bsky.social.
RSVP today!
Speakers include @rosenzweigp.bsky.social, Jen Easterly, @jackhcable.bsky.social, James A. Lewis, Lauren Zabierek, and @jshermcyber.bsky.social.
RSVP today!
From Research to Reality: The Security by Design Project
By Lawfare Institute
givebutter.com
September 24, 2025 at 6:38 PM
On October 1, join Lawfare for a free, in-person event marking the culmination of our multi-year project on Security by Design!
Speakers include @rosenzweigp.bsky.social, Jen Easterly, @jackhcable.bsky.social, James A. Lewis, Lauren Zabierek, and @jshermcyber.bsky.social.
RSVP today!
Speakers include @rosenzweigp.bsky.social, Jen Easterly, @jackhcable.bsky.social, James A. Lewis, Lauren Zabierek, and @jshermcyber.bsky.social.
RSVP today!
Reposted by Justin Sherman
Despite the significant sanctions put on Russia since the full scale invasion in Feb. 2022, the Russian cyber industry made more money in 2024 than ever before.
@jshermcyber.bsky.social looks at how Russian cyber firms have adapted and what American policymakers can do.
@jshermcyber.bsky.social looks at how Russian cyber firms have adapted and what American policymakers can do.
Russia’s Cyber Firms Are Getting Rich During War
Russian cyber firms are raking in record profits, challenging the efficacy of U.S. efforts to technologically isolate Russia.
www.lawfaremedia.org
September 17, 2025 at 6:36 PM
Despite the significant sanctions put on Russia since the full scale invasion in Feb. 2022, the Russian cyber industry made more money in 2024 than ever before.
@jshermcyber.bsky.social looks at how Russian cyber firms have adapted and what American policymakers can do.
@jshermcyber.bsky.social looks at how Russian cyber firms have adapted and what American policymakers can do.
Reposted by Justin Sherman
🚨NEW ISSUE BRIEF🚨 In “Securing data in the AI Supply Chain,” CSI fellow @jshermcyber.bsky.social writes about the seven data components powering AI and the risks they face. Read it here: www.atlanticcouncil.org/in-depth-res...
Securing data in the AI supply chain
To avoid lopsided AI policy, policymakers must see the data used and generated by AI as a chain, not a snapshot.
www.atlanticcouncil.org
September 5, 2025 at 6:15 PM
🚨NEW ISSUE BRIEF🚨 In “Securing data in the AI Supply Chain,” CSI fellow @jshermcyber.bsky.social writes about the seven data components powering AI and the risks they face. Read it here: www.atlanticcouncil.org/in-depth-res...
Reposted by Justin Sherman
UPCOMING BRIEFING—The Impact on Central Asia of Russia’s War on Ukraine: Opportunities for U.S. Engagement
📅September 4
🕑2pm
🏛️Rayburn 2200
Join our expert panel for a discussion about how Russia's war on Ukraine has shifted political & economic dynamics in Central Asia. (1/2)
📅September 4
🕑2pm
🏛️Rayburn 2200
Join our expert panel for a discussion about how Russia's war on Ukraine has shifted political & economic dynamics in Central Asia. (1/2)
September 3, 2025 at 3:03 PM
UPCOMING BRIEFING—The Impact on Central Asia of Russia’s War on Ukraine: Opportunities for U.S. Engagement
📅September 4
🕑2pm
🏛️Rayburn 2200
Join our expert panel for a discussion about how Russia's war on Ukraine has shifted political & economic dynamics in Central Asia. (1/2)
📅September 4
🕑2pm
🏛️Rayburn 2200
Join our expert panel for a discussion about how Russia's war on Ukraine has shifted political & economic dynamics in Central Asia. (1/2)
Reposted by Justin Sherman
The Kremlin’s unspoken agreement with hackers? Don’t cross certain lines. When an FSB officer failed to protect the cybercriminals who paid him, the consequences were swift. @jshermcyber.bsky.social explains what this means for Russia’s cyber underworld. 🔗
Take the bribe but watch your back: Why Russia imprisoned a security officer for taking cybercriminal payoffs
Russia imprisoned a security service officer for taking bribes from cybercriminals—showing not a willingness to crack down on cybercrime, but instead just how much the Kremlin wants to maintain its…
www.atlanticcouncil.org
September 3, 2025 at 1:43 PM
The Kremlin’s unspoken agreement with hackers? Don’t cross certain lines. When an FSB officer failed to protect the cybercriminals who paid him, the consequences were swift. @jshermcyber.bsky.social explains what this means for Russia’s cyber underworld. 🔗
Reposted by Justin Sherman
NEW: Credit reporting giant TransUnion has confirmed a data breach involving more than 4.4 million customers' personal information. TransUnion claims "no credit information was accessed" in the late-July breach, which it said involves its U.S. consumer support operations.
TransUnion says hackers stole 4.4 million customers' personal information | TechCrunch
The credit reporting giant confirmed unauthorized access to a third-party application storing the personal information of its customers.
techcrunch.com
August 28, 2025 at 12:09 PM
NEW: Credit reporting giant TransUnion has confirmed a data breach involving more than 4.4 million customers' personal information. TransUnion claims "no credit information was accessed" in the late-July breach, which it said involves its U.S. consumer support operations.
Reposted by Justin Sherman
We've received a lot of applications from non U.S. students to this. Please note you must apply with an .edu email to be considered.
If you're interested in training and are not a student in the USA we have a full list of upcoming public trainings here: www.bellingcat.com/workshops/
If you're interested in training and are not a student in the USA we have a full list of upcoming public trainings here: www.bellingcat.com/workshops/
August 28, 2025 at 1:25 PM
We've received a lot of applications from non U.S. students to this. Please note you must apply with an .edu email to be considered.
If you're interested in training and are not a student in the USA we have a full list of upcoming public trainings here: www.bellingcat.com/workshops/
If you're interested in training and are not a student in the USA we have a full list of upcoming public trainings here: www.bellingcat.com/workshops/
@warmatters.bsky.social joins today’s @lawfaremedia.org Daily to discuss his new book “War in the Smartphone Age.” We talked about everything from ‘context collapse’ on social media to the future of ‘participatory warfare.’
Listen wherever you get your podcasts!
podcasts.apple.com/us/podcast/t...
Listen wherever you get your podcasts!
podcasts.apple.com/us/podcast/t...
Lawfare Daily: ‘War in the Smartphone Age,’ with Matthew Ford
Podcast Episode · The Lawfare Podcast · 08/27/2025 · 59m
podcasts.apple.com
August 27, 2025 at 1:49 PM
@warmatters.bsky.social joins today’s @lawfaremedia.org Daily to discuss his new book “War in the Smartphone Age.” We talked about everything from ‘context collapse’ on social media to the future of ‘participatory warfare.’
Listen wherever you get your podcasts!
podcasts.apple.com/us/podcast/t...
Listen wherever you get your podcasts!
podcasts.apple.com/us/podcast/t...
Reposted by Justin Sherman
On Lawfare Daily, @jshermcyber.bsky.social spoke to @warmatters.bsky.social about his new book “War in the Smartphone Age,” the role of smartphones and related technologies in war, how smartphones and other devices are reshaping open-source intelligence, and more.
August 27, 2025 at 1:36 PM
On Lawfare Daily, @jshermcyber.bsky.social spoke to @warmatters.bsky.social about his new book “War in the Smartphone Age,” the role of smartphones and related technologies in war, how smartphones and other devices are reshaping open-source intelligence, and more.
Reposted by Justin Sherman
Last week, Reuters published two articles by journalist Jeff Horwitz reporting concerning details about Meta's AI chatbot policies and products and how they affect children and vulnerable adults. Tech Policy Press invited experts to submit reactions to the reports—here are their responses:
Experts React to Reuters Reports on Meta's AI Chatbot Policies | TechPolicy.Press
Tech Policy Press invited a range of experts to submit reactions to concerning reports on Meta's AI chatbot policies and products.
buff.ly
August 20, 2025 at 5:03 PM
Last week, Reuters published two articles by journalist Jeff Horwitz reporting concerning details about Meta's AI chatbot policies and products and how they affect children and vulnerable adults. Tech Policy Press invited experts to submit reactions to the reports—here are their responses:
Reposted by Justin Sherman
“Technological isolationism is now both a reality and a desired goal for many in the Russian government and technology sector,” writes @jshermcyber.bsky.social in this issue brief. Read more here:
Russia’s digital tech isolationism: Domestic innovation, digital fragmentation, and the Kremlin’s push to replace Western digital technology
Russia’s technological isolation is both a reality and a desired goal for Moscow. This piece explores the impacts of this phenomenon and offers recommendations for how to deal with that evolving…
www.atlanticcouncil.org
August 18, 2025 at 1:37 PM
“Technological isolationism is now both a reality and a desired goal for many in the Russian government and technology sector,” writes @jshermcyber.bsky.social in this issue brief. Read more here:
Excited to see my upcoming book on Amazon’s current ranking of “hot new releases” in national security!
Preorder “Navigating Technology and National Security” here: www.amazon.com/Navigating-T...
Preorder “Navigating Technology and National Security” here: www.amazon.com/Navigating-T...
August 13, 2025 at 3:05 PM
Excited to see my upcoming book on Amazon’s current ranking of “hot new releases” in national security!
Preorder “Navigating Technology and National Security” here: www.amazon.com/Navigating-T...
Preorder “Navigating Technology and National Security” here: www.amazon.com/Navigating-T...
Reposted by Justin Sherman
I'm headed back on tour for my book EMPIRE OF AI! Starting next week, I'll be on the road again with stops in the US, UK, Europe & Asia. Here are my upcoming events open to the public, with more to come. Event details & ticket reservations at empireofai.com/#tour.
August 13, 2025 at 1:51 PM
I'm headed back on tour for my book EMPIRE OF AI! Starting next week, I'll be on the road again with stops in the US, UK, Europe & Asia. Here are my upcoming events open to the public, with more to come. Event details & ticket reservations at empireofai.com/#tour.
Reposted by Justin Sherman
What does cybersecurity have to do with broadband, AI, and your Member’s next hearing? Come find out. Our 6-part Fall 2025 program for Hill staffers starts Sept 26. Weekly Friday sessions (w/ lunch!)
🔗 Apply now: bit.ly/ACCongressio...
🔗 Apply now: bit.ly/ACCongressio...
Congressional Cyber and Digital Policy Program
Open to full time Congressional staffers, this program covers key cybersecurity and digital policy issues.
bit.ly
August 11, 2025 at 7:19 PM
What does cybersecurity have to do with broadband, AI, and your Member’s next hearing? Come find out. Our 6-part Fall 2025 program for Hill staffers starts Sept 26. Weekly Friday sessions (w/ lunch!)
🔗 Apply now: bit.ly/ACCongressio...
🔗 Apply now: bit.ly/ACCongressio...
NEW: How’s Russia’s cyber industry adapting to sanctions, a new security environment, etc. post-Russia’s full-scale, illegal war on Ukraine in Feb. 2022?
Hint: three Russian cyber firms made more money in 2024 than ever. My new report for CNA out today: www.cna.org/analyses/202...
Hint: three Russian cyber firms made more money in 2024 than ever. My new report for CNA out today: www.cna.org/analyses/202...
Hacking and Firewalls Under Siege: Russia’s Cyber Industry During the War on Ukraine
This paper examines how Russian cybersecurity firms are supporting the Russian government and adapted to the new environment in the wake of the Russia-Ukraine War.
www.cna.org
August 11, 2025 at 1:38 PM
NEW: How’s Russia’s cyber industry adapting to sanctions, a new security environment, etc. post-Russia’s full-scale, illegal war on Ukraine in Feb. 2022?
Hint: three Russian cyber firms made more money in 2024 than ever. My new report for CNA out today: www.cna.org/analyses/202...
Hint: three Russian cyber firms made more money in 2024 than ever. My new report for CNA out today: www.cna.org/analyses/202...
Reposted by Justin Sherman
On Lawfare Daily, @jshermcyber.bsky.social spoke to @sambresnick.bsky.social about his recently published report, “Big Tech in Taiwan,” on 17 companies’ Taiwan entanglements, and how greenfield foreign direct investments, data centers, supply chains, and more expose those companies to Taiwan.
August 7, 2025 at 1:37 PM
On Lawfare Daily, @jshermcyber.bsky.social spoke to @sambresnick.bsky.social about his recently published report, “Big Tech in Taiwan,” on 17 companies’ Taiwan entanglements, and how greenfield foreign direct investments, data centers, supply chains, and more expose those companies to Taiwan.
Reposted by Justin Sherman
In Russia’s cyber ecosystem, even FSB officers aren’t untouchable. @jshermcyber.bsky.social dives into the sentencing of an officer who took bribes from hackers but failed to deliver protection. It’s about more than corruption—it’s a warning to others. 🔗
Take the bribe but watch your back: Why Russia imprisoned a security officer for taking cybercriminal payoffs
Russia imprisoned a security service officer for taking bribes from cybercriminals—showing not a willingness to crack down on cybercrime, but instead just how much the Kremlin wants to maintain its…
www.atlanticcouncil.org
August 7, 2025 at 1:17 PM
In Russia’s cyber ecosystem, even FSB officers aren’t untouchable. @jshermcyber.bsky.social dives into the sentencing of an officer who took bribes from hackers but failed to deliver protection. It’s about more than corruption—it’s a warning to others. 🔗
Will Big Tech support Taiwan in the event of a conflict? How exposed are they — financially, operationally, etc.? Georgetown’s Sam Bresnick joins me on today’s @lawfaremedia.org to discuss
Hear about Google, Cisco, Maxar, and more and their Taiwan exposures
podcasts.apple.com/us/podcast/t...
Hear about Google, Cisco, Maxar, and more and their Taiwan exposures
podcasts.apple.com/us/podcast/t...
Lawfare Daily: ‘Big Tech in Taiwan’ with Sam Bresnick
Podcast Episode · The Lawfare Podcast · 08/07/2025 · 38m
podcasts.apple.com
August 7, 2025 at 1:36 PM
Will Big Tech support Taiwan in the event of a conflict? How exposed are they — financially, operationally, etc.? Georgetown’s Sam Bresnick joins me on today’s @lawfaremedia.org to discuss
Hear about Google, Cisco, Maxar, and more and their Taiwan exposures
podcasts.apple.com/us/podcast/t...
Hear about Google, Cisco, Maxar, and more and their Taiwan exposures
podcasts.apple.com/us/podcast/t...
Reposted by Justin Sherman
Competition is a cybersecurity issue, but @Jshermcyber.bsky.social says policymakers must “acknowledge how questions of market concentration may not address other questions around the security and resilience of underlying foundational technologies”
Homogeneity and concentration in the browser
Web browsers are the gateway to the internet. As browser developers replicate design features and concentrate around shared underlying technologies, they create cybersecurity risks with the potential…
www.atlanticcouncil.org
August 6, 2025 at 7:04 PM
Competition is a cybersecurity issue, but @Jshermcyber.bsky.social says policymakers must “acknowledge how questions of market concentration may not address other questions around the security and resilience of underlying foundational technologies”
Reposted by Justin Sherman
As Putin wages war on Ukraine, he intensifies his repression of the Russian people. Banning private messaging apps & forcing Russians to use MAX will increase surveillance while further limiting their access to information about the outside world.
Russia is pushing a “super app” messenger for all citizens — including so it can ban WhatsApp and reduce reliance on Telegram. What could possibly go wrong?
My 5-minute breakdown on Australian Broadcasting Corporation:
www.abc.net.au/listen/progr...
My 5-minute breakdown on Australian Broadcasting Corporation:
www.abc.net.au/listen/progr...
Putin's MAX app could snoop on Russians - ABC listen
With almost 100 million users, WhatsApp is Russia's most popular messaging service.
But that's about to change. The service - which is owned by Facebook's parent company Meta is widely expected to be...
www.abc.net.au
August 5, 2025 at 3:54 PM
As Putin wages war on Ukraine, he intensifies his repression of the Russian people. Banning private messaging apps & forcing Russians to use MAX will increase surveillance while further limiting their access to information about the outside world.
My (first) book comes out Dec. 11!! "Navigating Technology and National Security" dives into the story of how the US came to govern so much technology—startup investments and data flows; TikTok and Grindr; cloud systems and AI models—through national security powers.
www.amazon.com/Navigating-T...
www.amazon.com/Navigating-T...
Navigating Technology and National Security: The Intersection of CFIUS, Team Telecom, AI Controls, and Other Regulations
Navigating Technology and National Security: The Intersection of CFIUS, Team Telecom, AI Controls, and Other Regulations [Sherman, Justin] on Amazon.com. *FREE* shipping on qualifying offers. Navigating Technology and National Security: The Intersection of CFIUS, Team Telecom, AI Controls, and Other Regulations
www.amazon.com
August 5, 2025 at 2:46 PM
My (first) book comes out Dec. 11!! "Navigating Technology and National Security" dives into the story of how the US came to govern so much technology—startup investments and data flows; TikTok and Grindr; cloud systems and AI models—through national security powers.
www.amazon.com/Navigating-T...
www.amazon.com/Navigating-T...
Russia is pushing a “super app” messenger for all citizens — including so it can ban WhatsApp and reduce reliance on Telegram. What could possibly go wrong?
My 5-minute breakdown on Australian Broadcasting Corporation:
www.abc.net.au/listen/progr...
My 5-minute breakdown on Australian Broadcasting Corporation:
www.abc.net.au/listen/progr...
Putin's MAX app could snoop on Russians - ABC listen
With almost 100 million users, WhatsApp is Russia's most popular messaging service.
But that's about to change. The service - which is owned by Facebook's parent company Meta is widely expected to be...
www.abc.net.au
August 5, 2025 at 11:56 AM
Russia is pushing a “super app” messenger for all citizens — including so it can ban WhatsApp and reduce reliance on Telegram. What could possibly go wrong?
My 5-minute breakdown on Australian Broadcasting Corporation:
www.abc.net.au/listen/progr...
My 5-minute breakdown on Australian Broadcasting Corporation:
www.abc.net.au/listen/progr...
Flip-flopping on chip export controls to China to claim a “win” now — in exchange for deepening semiconductor business ties in China — is a long-term national security mistake. My latest Barron’s column (gift link):
www.barrons.com/articles/tru...
www.barrons.com/articles/tru...
Trump’s Flip-Flop on Nvidia Chips Is a Win for China
A reversal of export controls on H20 chips presents a national-security risk, Justin Sherman writes in a guest commentary.
www.barrons.com
August 5, 2025 at 11:48 AM
Flip-flopping on chip export controls to China to claim a “win” now — in exchange for deepening semiconductor business ties in China — is a long-term national security mistake. My latest Barron’s column (gift link):
www.barrons.com/articles/tru...
www.barrons.com/articles/tru...
Reposted by Justin Sherman
“Consumers deserve robust privacy protections and rights over their own data, regardless of the type of business collecting and processing that information...”
➡️ Read EPIC's latest white paper by Law Fellow Caroline Kraczon and Scholar in Residence @jshermcyber.bsky.social: epic.org/documents/un...
➡️ Read EPIC's latest white paper by Law Fellow Caroline Kraczon and Scholar in Residence @jshermcyber.bsky.social: epic.org/documents/un...
July 31, 2025 at 2:09 PM
“Consumers deserve robust privacy protections and rights over their own data, regardless of the type of business collecting and processing that information...”
➡️ Read EPIC's latest white paper by Law Fellow Caroline Kraczon and Scholar in Residence @jshermcyber.bsky.social: epic.org/documents/un...
➡️ Read EPIC's latest white paper by Law Fellow Caroline Kraczon and Scholar in Residence @jshermcyber.bsky.social: epic.org/documents/un...