Thomas Rid @RidT
Author of ACTIVE MEASURES, RISE OF THE MACHINES, CYBER WAR WILL NOT TAKE PLACE, "Attributing Cyber Attacks," more. Johns Hopkins, Alperovitch Institute. Georgetown, German-born Joined January 2009-
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Excellent, no-nonsense analysis of Germany’s automotive sector in existential crisis, “ The End of Car Nation Germany” open.spotify.com/episode/1BVEP6…
Davis Center's abandoned domain for the Working Group on the Future of U.S.-Russia Relations is now a "Russian dating site." Sweet that the new owner still pays homage to the original project & keeps US-Russia Future in the head
Interesting and exciting
Our team at DeepMind is growing. We've assembled a world class physics+material science team and are building an experimental lab. If you want to solve real problems at the intersection of AI + material science to unlock a technological revolution - this is the place. Apply 👇
Big evolution of tradecraft here: a Russian active measures contractor is executing false flag operations by recruiting operatives *under false flag* — so they are unaware who paid them covertly, and indeed believe to be working for activists from third countries. Very Cold War.
SDA planning docs and after action reports also mention OPSEC quite a lot, especially to enable infiltration. Temporary OPSEC before and during an operation matters; not so much after an operation.
This is a very important story on a recent evolution in tradecraft in Russian active measures, by @Martinlaineolen and team. I have also seen the full original leak, a few additional observations later today occrp.org/en/investigati…
Periodic reminder: the Shadow Brokers, masterful curators of one of the most devastating technical intelligence leaks ever, will turn ten years in August — and we still don't know who they were.
@vkamluk The original intent of the research was to play out the thesis that obscure malware could be used as hard evals for frontier mode capabilities. @vkamluk and @Gabeincognito ran an RE harness with access to tools, first autonomously, then w expert guidance.
A newly decoded piece of sabotage malware called Fast16, created before Stuxnet, was made to silently tamper with calculations in research and engineering software. Likely created by the US or an ally, and possibly used against Iran's nuclear program. wired.com/story/fast16-m…
Dutch intelligence MIVD and AIVD attribute Signal support scams to Russian government — note legit *Signal support will never send you text messages,* and it would probably help for Signal to include an explicit default notice or pop-up to remind all users aivd.nl/actueel/nieuws…
Anthropic v Pentagon has the framing wrong: looks like Palantir, perhaps Karp, had a key role in getting Anthropic booted out of DoD/DoW. This is about libertarianism versus trust-and-safety, yet again—the defining rift runs right through Silicon Valley x.com/jawwwn_/status…
.@USWREMichael says the Maduro raid was the trigger point for the DoW’s conflict with Anthropic: “Palantir’s the prime contractor. [Anthropic] is the sub.” “One of [Anthropic’s] execs called Palantir and asked, ‘Was our software used in that raid?’” “So— they’re trying to get
Proud that my PhD student Martin @Dr_Machinavelli is putting out such eloquent and brilliant writing, here on Microsoft's LLM backdoor research, in one of Germany's largest papers, FAZ—easily beats most coverage in big-ticket US outlets faz.net/pro/digitalwir…
“Since the war began, Russia has passed Iran the locations of U.S. military assets, including warships and aircraft, said the three officials.” “It does seem like it’s a pretty comprehensive effort.” washingtonpost.com/national-secur…
GPT 5.4 is out. Two noteworthy things here: both OpenAI's and Google's flagship models now outperform Anthropic's Claude Opus 4.6 on ARC AGI 2, and at a significantly cheaper cost per task (cost is log scale). Also: GPT 5.4 failed to catch up with Gemini 3.1 in score or cost
M Street and Wisconsin in Georgetown taken over by a large crowd of celebrating Iranians, chanting USA USA … not what I was expecting during my run today.
Andrew Thompson @ImposeCost
41K Followers 2K Following Head of Global Signals Operations @Google Threat Intelligence Group via @Mandiant acquisition. Posts are attributable to me—not my employer. Former @USMC.
Kim Zetter @KimZetter
94K Followers 3K Following Journalist - cyber/national security. Author - COUNTDOWN TO ZERO DAY: Stuxnet and the Launch of the World's First Digital Weapon. https://t.co/334DzfSL1f
John Hultquist @JohnHultquist
30K Followers 1K Following Chief Analyst, Google Threat Intelligence Group. @CYBERWARCON and @SLEUTHCON founder. Johns Hopkins professor. Army vet.
thaddeus e. grugq @thegrugq
128K Followers 420 Following Hacker :: PhD researcher @warstudies @KingsCollegeLon :: [email protected] :: PGP https://t.co/dYipV8y3bo
Katie Nickels @likethecoins
55K Followers 3K Following Director of Intel at @redcanary. SANS Certified Instructor for FOR578: CTI. Senior Fellow at @CyberStatecraft. She/her. Mastodon: @[email protected]
ARCHIVED: Jen Easterl... @CISAJen
61K Followers 48 Following Archived: Director, CISA—America’s Cyber Defense Agency. Combat Veteran. Proud Mom. Rubik’s Cuber. Aspiring Electric 🎸. ❤️/RT ≠ endorsement
Dr. Dan Lomas @Sandbagger_01
20K Followers 2K Following Assistant Professor @NottsPolitics. Opinionated Northerner & Mancunian. Writes on 🇬🇧 intelligence, vetting, and the 'friends' 📚 🇺🇦 Views my own.
Chris Sanders 🔎 �... @chrissanders88
35K Followers 487 Following Ed.D. | Founder @networkdefense @RuralTechFund | Former @Mandiant, DoD | Author: Intrusion Detection Honeypots, Practical Packet Analysis, Applied NSM
J. A. Guerrero-Saade @juanandres_gs
16K Followers 427 Following VP Intelligence & Sr Technical Fellow (AI Research) @ SentinelOne | Distinguished Fellow @SAISHopkins Alperovitch | https://t.co/9Mj3l5xmcW | Three Buddy Problem
Rory Cormac @RoryCormac
14K Followers 1K Following Professor: Secrecy; Subversion; Covert Actions | Author: Disrupt&Deny; How to Stage a Coup; Secret Royals | views own
JD Work @HostileSpectrum
9K Followers 1K Following Former intel, now academic @NDU_CIC, @TheKrulakCenter, @SIWPSColumbia @ColumbiaSIPA, @CyberStatecraft, @ElliottSchoolGW, @PAISWarwick. Apolitical, views=own
Allan “Ransomware S... @uuallan
17K Followers 6K Following Back The Press Guardian & The Clock:1942 https://t.co/liXLX2DeQ8
Joe Słowik 🌻 @jfslowik
28K Followers 1K Following CTI, OT/ICS, DE&TH, and related infosec content. Oh, and memes. And shitposting. Lots of shitposting.
Lorenzo Franceschi-Bi... @lorenzofb
52K Followers 3K Following Senior reporter @TechCrunch, writing a book on Hacking Team and government spyware. ☎️ Signal: +1 917 257 1382 https://t.co/6G1h8Iae3w
Andy Greenberg (@agre... @a_greenberg
72K Followers 1K Following WIRED writer, author of SANDWORM and now TRACERS IN THE DARK: The Global Hunt for the Crime Lords of Cryptocurrency. Andy.01 on Signal. [email protected]
Will @BushidoToken
38K Followers 3K Following Senior Threat Intel Advisor @TeamCymru | Co-founder @CuratedIntel | Co-author @SANSForensics FOR589 | Co-founder @BSidesBournemth | @darknetdiaries #126: REvil
Brian in Pittsburgh @arekfurt
7K Followers 789 Following Former attorney, current IT & infosec consultant in the 'Burgh. Happy to talk about password spraying one minute and constitutional law the next. Son of #wvu.
Phil Venables @philvenables
14K Followers 590 Following All about cyber, resilience, risk, AI - at scale. Partner - Ballistic Ventures / 4 x CISO / Board Director / Chief Risk Officer
E.l.o.n @MuskElon17332
115 Followers 3K Following
Tom Wilson @thomas_m_wilson
24K Followers 2K Following I write about energy, commodities and geopolitics at the @FT. Also interested in Africa. Formerly in Nairobi and Kinshasa. DMs open.
James Kale @mysticmonkey1K
0 Followers 21 Following Just a curious mind interested in talking about AI, cybersecurity (esp. cognitive hijacking), and agents. Here to drive conversations and make friends :D
Stefanie Effner @los_berlinos
1K Followers 1K Following Berlin-BVB, engagiert bei Working Moms und DPRG, FidAR. Mag ProgRock und HIIT, privat hier.
RayZn @RayZn_589
0 Followers 32 Following
Blanche _Doo_Bwah @OreoCookie2025
173 Followers 467 Following The anointing always comes with a price. America first. WWIII is a spiritual battle and we are innit. Patriot. Whistleblower. God wins.
John Smith @john41275724
0 Followers 134 Following
EulersEu @eulerseu
0 Followers 2K Following Whatever can be said can be said clearly; whatever cannot be said, we must remain silent.
Han Vu @HanVuOmenIsReal
17K Followers 17K Following Author. I post about omens in politics including omens of Joe Biden, Ron DeSantis, Kamala Harris. Omens can bring great benefit if you know how to exploit them.
Anastacia 😷💜 @lovebugtx
1K Followers 3K Following She/her👱🏻♀️, Mom 👨👩👧Wife, Musician🎼, Weather nerd ⛈🌪🤓, Lover of nature 🌿, Long Covid warrior, fighter for equality, love, & kindness🌈
Morgan Paglia @Morgan_Paglia
463 Followers 2K Following PhD candidate @EPHE_PSL | #CELSA #A2AD - déni d'accès ex @IFRI_ ex Prospective @futuribles_int RT ≠ endorsement @morganpaglia.bsky.social
Julo @Julo32295413
35 Followers 1K Following
Jeffrey Limousine @jeffrylimousine
194 Followers 1K Following editor, writer, comedian, bit of a cornball
Ming the Merciless Fe... @MingtheMercil15
11K Followers 12K Following I Come In Peace - Not Really Call +74956063602 for consultations.
Johann Sebastian @oxinsocks
619 Followers 4K Following The ends don’t justify the means. Pro encouragement, truth, justice, and the American way. Messages of strength and hope. Please fact chk me, but bring receipts
zander ོ @zentropic_
1K Followers 3K Following
G @unofficialwood
2 Followers 140 Following
willy @willy88329100
19 Followers 973 Following
American Sephardi Fed... @AmericanSephard
5K Followers 944 Following The ASF preserves & promotes the rich mosaic culture of Greater Sephardic communities as essential to the Jewish experience.
tm @ft3184008682037
41 Followers 2K Following I am looking for a political refugee position as french intelligence clowns DGSE DGSI harass me. I can go on TV show an make you laugh about military and polic
MercuryMarin(er)Strad... @MarinStrade
6K Followers 7K Following #NAFO 🇺🇦 #Smokefleet Aspiring Sci-fi Author. Animal and Planet lover. Catholic. Former diplomat/USAID (5 years in Af/Pak). Awaiting Mass Effect 5 + Exodus
Dmitry Melikov @DmitriyMelikov
2K Followers 341 Following Threat Researcher @AWNetworks #cti #apt Former Threat Researcher @BlackBerry, @InQuest
Luttjohann @JeanneLutt87264
130 Followers 433 Following Wife of a special operator. Irish protestant ☘️
Ruth Deyermond @ruth_deyermond
31K Followers 4K Following Senior Lecturer, Dept of War Studies, King's College London. Russian and US foreign & security policy, US-Russia relations, European security. Views my own.
Sean McDonagh @Sean_Mc_Donagh
65 Followers 475 Following
CG Long @FrankChodorov
818 Followers 1K Following Only man is made in the image of God. As the remnant regains understanding, collective authority must fade away in the light of liberty.
Vamshi Bellamkonda @bvamshireddy
140 Followers 7K Following Technology Leader. History Buff, Economics, Finance, Geopolitics, AI Governance, Policy and Aviation Enthusiast. Opinions here are personal.
David Reaboi, Late Re... @davereaboi
202K Followers 4K Following National security, media & political warfare. Graphic design. Jazz, hifi, bodybuilding. “Right-wing Twitter pugilist”—Politico
Dietmar Pichler @DietmarPichler1
50K Followers 54K Following #Disinformation analyst #DemocracyResilience #Security Head Editor @inved_Europa VP @VIEgoEU
L+Ratio Hornblower @l_ratio97090
274 Followers 5K Following Someone who counters tankie lies about Russian military equipment, capabilities, and intentions. There is a documented history of failure that appeals to them.
Neil Bourbon Sherpa @clumsy_samurai
15 Followers 133 Following Chaos management, panic moderation, disaster recovery, counseller of the hopeless, professional shitstorm mitigator, army kid
Alexandra Saviana @alex_svn
3K Followers 3K Following Rédactrice en cheffe adjointe société @LEXPRESS • 📖 L'or de la montagne Noire (JC Lattès) et Les scénarios noirs de l'armée française (Robert Laffont)
Marcin Jankowski @MarcinJ67615847
12 Followers 652 Following
Sara Firth @SaraFirth_
4K Followers 5K Following Freelance Foreign Correspondent in the U.S.🇬🇧 in 🇺🇸 TikTok Series: Notes From America.
Michael A. Horowitz @michaelh992
133K Followers 5K Following Geopolitical & Information Analyst | Commentator on international affairs | Author of Hope & Despair: Israel's future in the new Middle East.
Sebastian Bojemski @eS__Be
251 Followers 273 Following
NAM @NAM_C0
9 Followers 256 Following
Joe @Joe834953718298
59 Followers 2K Following
TurtlePenguin1 @Penguin1Tu907
2 Followers 1K Following
Max von Hippel @maxvonhippel
659 Followers 3K Following Staff scientist @ ur favorite defense company; YC S24; CS PhD @KhouryCollege (GRFP); BS math @UArizona; IB @UWCCostaRica; blue belt @ 10p. Created https://t.co/WhGddB7FY7
Hacker Stickers @HackerStick3rs
3K Followers 7K Following we're just here to spread neat hacking and cybersecurity related stickers. need high quality vinyl stickers made? DM us.
gnida project @gnidaproject
909 Followers 183 Following Всероссийский научно-исследовательский институт гнид
AJ @gopats20257
0 Followers 169 Following
Kim Zetter @KimZetter
94K Followers 3K Following Journalist - cyber/national security. Author - COUNTDOWN TO ZERO DAY: Stuxnet and the Launch of the World's First Digital Weapon. https://t.co/334DzfSL1f
thaddeus e. grugq @thegrugq
128K Followers 420 Following Hacker :: PhD researcher @warstudies @KingsCollegeLon :: [email protected] :: PGP https://t.co/dYipV8y3bo
J. A. Guerrero-Saade @juanandres_gs
16K Followers 427 Following VP Intelligence & Sr Technical Fellow (AI Research) @ SentinelOne | Distinguished Fellow @SAISHopkins Alperovitch | https://t.co/9Mj3l5xmcW | Three Buddy Problem
JD Work @HostileSpectrum
9K Followers 1K Following Former intel, now academic @NDU_CIC, @TheKrulakCenter, @SIWPSColumbia @ColumbiaSIPA, @CyberStatecraft, @ElliottSchoolGW, @PAISWarwick. Apolitical, views=own
Tyler McLellan @tylabs
3K Followers 588 Following Intrusion aficionado. @Google/@Mandiant GTIG Advanced Practices
Silas Cutler (p1nk) @silascutler
14K Followers 2K Following You may know me from your logs Principal Security Researcher @Censysio #Threats / #CTI / #Malware / #Hacking
Ryan Fedasiuk @RyanFedasiuk
20K Followers 10K Following Fellow @AEI covering China, tech, and national power. Founder @DgtlEmb. Prof @GeorgetownCSS. Former @StateDept. 费瑞安.
Christopher Ahlberg @cahlberg
11K Followers 629 Following Man of the West. Import/Export. Purveyor of fine information goods. Co-founder @recordedfuture.
Dino A. Dai Zovi @dinodaizovi
39K Followers 1 Following Dino is human and can make mistakes. Please double-check responses.
Mark Dredze @mdredze
6K Followers 786 Following John C Malone Professor at @JohnsHopkins @JHUCompSci @jhuclsp @jhumceh; Part time @techatbloomberg (tweets my own) Director @hopkinsdsai @mdredze.bsky.social🦋
Johns Hopkins Data Sc... @HopkinsDSAI
945 Followers 83 Following The Johns Hopkins Data Science and AI Institute, dedicated to the transformative advancement of the human condition and society through data science and AI.
hal9ninesrel1k @HALNine9sRel1k
2K Followers 4K Following Yes, it's me. THAT guy. 'Bourne again'. Still bending Space and Time. Scheiß drauf, Ich bin der Martin, ne? 呉偉 Garg’n Uair Dhuisgear, Чёрный монах
Katerina Sedova @LUMKatrusya
2K Followers 4K Following Nonresident Senior Fellow @ACEurasia on tech, security & UA; Ex: @StateDept|CyberAI @CSETGeorgetown|TechCongress USSenate|NATO @Stratcomcoe|@georgetownmsfs|MSFT
Robert Pritchard @TheCyberSecExp
3K Followers 3K Following Cyber security nerd. Former UK gov cyber security. Security consultant & capacity builder. RUSI Associate Fellow. Creator of Soothsayer
Jonathan D. Abolins @jabolins
3K Followers 5K Following Info security, OSINT, languages geek. Sciences background. Studies networked world. Personal views, not official anything. Tweets/quotes/RTs NOT=endorsements.
Matthew Dunwoody @matthewdunwoody
10K Followers 462 Following Director, Incident Response @Databricks. Former @Mandiant / @Google Intel leader, IR Consultant, Security Researcher, Technical Intel Analyst, Endpoint TPM.
Foundation for Americ... @JoinFAI
17K Followers 66 Following A think tank focused on championing the technology, talent, and ideas essential to American prosperity, security, and flourishing.
Sean Wiswesser @Wiswesser
1K Followers 425 Following Russian Intelligence & @Espionage Expert | Author & Lecturer | Defense & Intelligence Consultant | @CIA Senior Ops Officer (Ret.)
Martin Laine @Martinlaineolen
10K Followers 553 Following 🇪🇪 uuriv ajakirjanik/investigative journalist • nii @eestiekspress kui @DelfiEE • bylines @OCCRP @ICIJorg • @vsquare_project
Xander Davies @alxndrdavies
4K Followers 878 Following red team lead @AISecurityInst PhD student @OATML_Oxford, prev @Harvard (https://t.co/695XYMJSua)
Alex Matrosov @matrosov
20K Followers 2K Following Security REsearch @Anthropicai · Breaking & Fixing AI Failure Modes | Founder @binarly_io · @SBOM_Tools · @REhints | Author “Rootkits & Bootkits" (https://t.co/1wd2dfYHY6)
David Barroso @lostinsecurity
6K Followers 4K Following I'm Winston Wolfe. I solve problems. Yersinia author. Founder, CounterCraft https://t.co/2RLFjoit1C @countercraftsec
Halvar Flake @halvarflake
45K Followers 3K Following Choose disfavour where obedience does not bring honour. I do math. And was once asked by R. Morris Sr. : "For whom?" @[email protected]
Joe Carlsmith @jkcarlsmith
12K Followers 688 Following Philosophy, futurism, AI. Working on Claude's values @AnthropicAI. Formerly @coeff_giving. Opinions my own.
Nathan Lambert @natolambert
87K Followers 899 Following Open model research @ something new. Prev. co-led Olmo at Ai2. Contact via email. Writes @interconnectsai, @readsail Wrote The RLHF Book, 🏔️🏃♂️
SemiAnalysis @SemiAnalysis_
94K Followers 27 Following
Garry Tan @garrytan
859K Followers 6K Following President & CEO @ycombinator —Founder @garryslist—Creator of GStack & GBrain—designer/engineer who helps founders—SF Dem accelerating the boom loop
Internal Tech Emails @TechEmails
595K Followers 889 Following Internal tech industry emails that surface in public records. 🔍
Matthew Savill @MTSavill
4K Followers 947 Following Director of Military Sciences at the Royal United Services Institute @RUSI_org; recovering former civil servant; all views expressed here are my own.
Tuki @TukiFromKL
117K Followers 401 Following 20 | The QUANT | I love AI Building https://t.co/FaBWVoVdjb
Samuel Roland @Allinallnotbad
1K Followers 2K Following Infrastructure @joinFAI, Law @GMU, AI dabbler on the side. Per conatus et fidem ad astra simul.
Susie Coen @SusieCoen
2K Followers 2K Following US Correspondent - The Times and Sunday Times [email protected]
Sebastien Bubeck @SebastienBubeck
77K Followers 1K Following I work on AI at OpenAI. Former VP AI and Distinguished Scientist at Microsoft.
Dylan Patel @dylan522p
133K Followers 1K Following SemiAnalysis Boutique AI Infrastructure Research and Consulting DMs are open for consulting, quotes, or to talk shop, Opinions my own
Martin Wendiggensen @Dr_Machinavelli
345 Followers 415 Following PhD candidate @alperovitch | AI Research Scientist @Dreadnode formerly @MZESUniMannheim & @NATO
Under Secretary of Wa... @USWREMichael
18K Followers 87 Following Official account of the Under Secretary of War for Research and Engineering. Follow @DoWCTO 🇺🇸⚙️
Yoshua Bengio @Yoshua_Bengio
42K Followers 261 Following Working towards the safe development of AI for the benefit of all @UMontreal, @LawZero_ & @Mila_Quebec A.M. Turing Award Recipient and most-cited AI researcher.
Thomas H. Ptacek @tqbf
35K Followers 610 Following Don't look at me sideways. Don't even look me straight on. bsky:@sockpuppet.org
Apoorv Agrawal @apoorv03
17K Followers 861 Following Investing at Altimeter. Before: eng @palantirtech, alum @stanford. Views here personal
Mark Chen @markchen90
72K Followers 351 Following Chief Research Officer at @OpenAI. Coach for the USA IOI Team.
Eric @ericmitchellai
12K Followers 589 Following chatgpt posttraining @openai. building personal agi. I like ai and music and some other stuff
Max Schwarzer @max_a_schwarzer
23K Followers 315 Following Doing RL @AnthropicAI. Formerly VP of Research, Head of Post-Training @OpenAI. PhD with Aaron Courville and Marc Bellmare at Mila.
Is EU Concerned? @ISEUConcerned
91K Followers 85 Following Very, deeply, strongly, seriously, gravely, extremely, unprecedentedly
Hamidreza Azizi @HamidRezaAz
81K Followers 806 Following PhD | Visiting Fellow @SWPBerlin | Associate @Clingendaelorg | Iran, Middle East, Eurasia | Views my own | RTs not endorsement
Lisan al Gaib @scaling01
45K Followers 1K Following lead them to paradise LisanBench: https://t.co/vorVk7NMCy Impressum & Datenschutz: https://t.co/lFLgiu8EAU
Florian Flade @FlorianFlade
16K Followers 8K Following National Security Reporter for @wdrinvestigativ @SZ_Investigativ | Terrorism | Intelligence | Crime | 🔑 Threema: UYT54AAM






















