European security & defence, global order, EU in US-China competition.
Senior Researcher, Center for Security Studies, ETH Zürich. PhD Defence Studies, King’s College London. Into running, matcha, 中文. Views my own.
geopoliticaleurope.substack.com
Do-gooder and China watcher.
Ornithologist at VulnCheck
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Senior reporter at @CybersecurityDive.bsky.social covering all things digital security. I also co-host @hothtakes.bsky.social. | Send me tips: https://ericjgeller.com/contact.html
senior editor at @lawfaremedia.org | ex-washington post opinions 🤐
We create technology for analytical teams to provide intelligence-driven insights to decision makers.
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鄺文詠 | contributor @404media.co —evy@404media.co | formerly @wired.com and vice news | moving between the hellscape and food | THOUGHTS/OPINIONS MY OWN
Rapid7 is a leader in AI-powered managed cybersecurity operations, trusted to advance organizations’ cyber resilience. Unified exposure and detection enable 11,500+ customers to reduce risk and disrupt attackers.
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Author: Karla’s Choice, Gnomon, Titanium Noir etc. Also husband, dad and occasional clothing-repairer, dog-walker, improviser of temporary solutions. Decreasingly rigorous on social media. Greta not Peter. Cuan cuan.
www.linktr.ee/harkaway
He/him
Full of passionate intensity.
Security. People matter most. Get off X, fool.
stonking.com/waitlist 👀
Breaking news in Russia, investigative reports, interviews, and opinions. In English. You’re welcome. https://meduza.io/en
Official account of the State of Statecraft conference.
Coming October 22, 2026 - Brussels, Belgium
http://stateofstatecraft.com
THE AGENDA IS LIVE: https://stateofstatecraft.com/agenda
#what_is_sos
#threatintel @Recorded Future | Formerly @PwC GTI | Malware & infrastructure analysis with a side of cyberpunk. 🌃🌌 She/her, support 🏳️🌈🏳️⚧️✨
Professor, GSPIA, University of Ottawa. Middle East (Iran, Yemen), intelligence and national security. Former Defence analyst.
Intel 471 specializes in delivering intelligence related to threat actors, threat hunting, financial cybercrime, ransomware, vulnerabilities, malware and underground marketplaces. Listen to our podcast, Cybercrime Exposed, on Spotify and Apple. #infosec
Science. Philosophy. The cosmic perspective.
Historian, academic, fisherman. “Better to be a poor fisherman than to meddle with the government of men.” —Georges Danton
Cyber journalist at Bloomberg News in DC. Signal: @howelloneill.01, email: patoneill1@bloomberg.net https://www.bloomberg.com/authors/AXb8dLPHBFc/patrick-howell-oneill
National Security Attorney, Comic Book Historian, University of Rochester Alum
A transatlantic spy podcast exploring the world of espionage, terrorism, geopolitics, and intrigue | Co-hosted by @chriscarrfilm.bsky.social and @mattfulton.net | linktr.ee/secretsandspies
National security journalist: https://thehighside.substack.com
Host on @theteamhouse.bsky.social
"We Defy: The Lost Chapters of Special Forces History" https://www.amazon.com/We-Defy-Chapters-Special-History-ebook/dp/B0DCGC1N1N
The world’s most advanced, autonomous AI-powered cybersecurity platform. We empower the world to run securely, with leading organizations trusting us to Secure Tomorrow™. Secure your enterprise: http://sentinelone.com/request-demo/
We are the National Cyber Security Centre – part of the UK’s intelligence & cyber agency GCHQ. We help to make the UK the safest place to live and work online.
24/7/365 threat detection and response across your cloud, identity, endpoints and everything in-between. We got you!
For more information visit: https://redcanary.com/
Securing data everywhere with Zero Trust + AI to protect your workforce, branches, and clouds.
A new DC hacker conference: Bringing together builders, breakers, and fixers to do cool shit.
Jan. 24-25, 2026
districtcon.org
Colorado Public Radio DC-based Reporter. Spent some time editing with NPR's Washington Desk. Former NPRWeekend, WNYC, WNPR, KQED, & WAMC. Always public radio.
Military-grade reverse engineer @ Google, working on Android malware
Got mistaken for a member of Project Zero once.
Everything here is my own opinion
he/him ✨🌈🦄
Writer & photographer. Japan based for 20+ years.
Author of Things Become Other Things (Random House: May 2025), Kissa by Kissa (2020). Contributor to NYTimes, Atlantic, WIRED, and more. Walks a lot. Bla bla bla!!
shop.specialprojects.jp
craigmod.com
We are Microsoft's global network of security experts. Follow for security research and threat intelligence. https://aka.ms/threatintelblog
Master of (Keeping/Stealing) your Secrets | Security Advisor & Intel Analyst | Civil Servant @ BE | Klopjacht-speurder | IT Eng. + Pol. Sci. | Posts my own
Words/photos on Latin America: World Politics Review, Vice, USA Today, the New Humanitarian
+ lots more. Editor: Pirate Wire Services
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Relentlessly pursuing the unseen and uncovering what’s hidden, I’m a cyber threat hunter with a flair for the navigating threats like a ranger hunting for the Precious in the dark corners of Middle-earth.
26+ years at @CNBC and @NBCNews / @WSJ alum / Peabody & Emmy winner
DEF CON is the world's most influential hacker conference. Held every year since 1993 in Las Vegas, Nevada, DEF CON is the hub of a global community of hackers […]
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Books. Writers. Ideas. Author of the warning, Collapse: Europe Without the European Union, published by @bitebackpublishing.bsky.social
Independent English-language journalism in Ukraine
Become a member: kyivindependent.com/membership
Join us in shaping the future of cyberlaw on Friday, February 28, 2025 in Arlington, VA.
Author and journalist. THE MISSION: The CIA in the 21st Century and LEGACY OF ASHES: The History of the CIA. https://www.harpercollins.com/products/the-mission-tim-weiner?variant=43465484206114
Hardware hacker, computer engineer, former L0pht member and juvenile delinquent, sometimes known as Kingpin. https://joegrand.com
The premier research center for #ComplexSystems #science.
santafe.edu
linktr.ee/sfiscience
Our mission is to make the Internet more secure by bringing to light vulnerabilities, malicious activity and emerging threats. Join our Alliance!
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https://forum.defcon.org/node/244260
http://defcon.org/policy
https://linkedin.com/company/policy-def-con
https://x.com/DEFCONPolicy
Founder of DEF CON & Black Hat. Maintainer of infocon.org.
Member of the UK Gov Cybersecurity Advisory Board & The Council on Foreign Relations.
Working to […]
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We are Anonymous, we are legion, we do not forgive, we do not forget. Expect us. #Antifa without apology! Come at us, bro! +1-760-706-7425
Web: https://youranon.news
twitter: @YourAnonNews
mastodon: nerdculture.de/@youranonnews
CNN's Chief White House Correspondent, 9 p.m. Anchor and diehard Alabama fan.
Husband, dad, veteran, writer, and proud Midwesterner. 19th US Secretary of Transportation and former Mayor of South Bend.
The official DEF CON Hotline account. Call, Text/SMS, or Signal us at 725-222-0934, or find us on the defcon discord at @defconhotline
400 former national security officials who remain committed to their oaths to “defend the Constitution."
Steady State Sentinel podcast https://apple.co/45rB0JB
On the web: https://www.thesteadystate.org
On Substack: https://steadystate1.substack.com/
Student of literature, law, and the classics. Marine intelligence manager turned attorney, now practicing cyber risk.
Cycles and loops, it’s all cycles and loops.
Blog and monthly digest of Cyber Threat Intelligence (CTI) information sources, tools, articles, events, and helpful tips sourcesmethods.com by @mattreduce.com
Threat Hunting & DFIR, Hacker, Geek, DEF CON & Black Hat CFP Review Board Member, DEF CON Contest/Events/Demo Labs Dept. Head, Black Hat Staff, DC801 Founder
- Cybersecurity since 1998
- Information Security jack of all trades
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https://www.darkoperator.com
Join us for Wild West Hackin' Fest - Deadwood 2026! Con: Oct. 7-9, 2026, Pre-Con Training: Oct. 6-7, 2026
CEO & Publisher, The Cipher Brief
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Senior Intelligence Analyst at Red Canary, former DFIR at Mandiant. Psychology and history nerd. When I am not computering, I go outside and play!
writes citationneeded.news • runs @web3isgoinggreat.com and @followthecrypto.org • tech researcher and cryptocurrency industry critic • software engineer • wikipedian
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Seva Gunitsky, associate professor of political science, University of Toronto. http://individual.utoronto.ca/seva/. book: http://amzn.to/2oRD2yG. substack: https://hegemon.substack.com/
The largest collection of malware source code, samples, and papers on the internet.
Password: infected
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We work to build a United States that is democratic, just, and free — for all. Visit BrennanCenter.org.
Staff writer for the Atlantic. Host of the David Frum Show webcast. Formerly ... quite a lot of things.
Washington DC and Wellington, Ontario.
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Straight-shooting information and analysis at the intersection of national security, law, and policy.
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Editor @insidereng, host @foreignoffpod, https://substack.com/@macspaunday, ISIS: Inside the Army of Terror: http://goo.gl/Jb6uEA. Next book on the GRU for @vikingbooks. macspaunday@protonmail.com
Founder & CEO LutaSecurity @payequitynow MIT&Harvard visiting scholar, @MasonNatSec fellow, 1/2 Chamoru, 1/2 Greek all-American hacker
Connecting police & catching criminals in 196 countries for more than a century. 🕵️
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Former CG USArmyEurope, loves the Army Team, FSU football, and Braves baseball.
Unsuccessfully retired ex-prez, ex-MEP, ex-foreign minister, ex-ambassador, ex-director of RFE-RL Estonian service, etc, ex cetera.
Except for @darthputinkgb.bsky.social, I take seriously only those who post here under his or her own name.
Malign influence and info ops | Foreign interference | Russia @ Atlantic Council, DFRLab. Views my own. 🇺🇦
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cyber raconteur | author THIS IS HOW THEY TELL ME THE WORLD ENDS | former @nytimes | now betting on heroes @ Silver Buckshot Ventures + Venture Partner at Ballistic Ventures.
Current: Microsoft
Former: US Army, FBI
Clintwatts.substack.com
Journalist, author, thinktanker, baker, swimmer, politician. Lifelong Kremlin-basher.
Personal account. Retired USAF, former Director of CIA & NSA, author, husband, father, granddad. Views are my own. Retweets are not endorsements.
The Munich Security Conference (MSC) is the world’s leading forum for debate on international security.
#MSC2027: February 12-14, 2027
President & CEO @cepa.org; Prof Johns Hopkins SAIS; former Brookings Institution; Berkeley PhD, Russia, Europe, democracy, tech policy.
Views my own. Media requests: press@cepa.org
Living Life Outside of Pandora’s ‘Deep State’ Box. Defending Inalienable Rights. Abhor Authoritarianism & Abuse of Power. Incongruent Divergent. NatSec Whistleblower on Gov’t Violations of Law & Public Trust. Nurturing New Seeds of Democracy & Freedom. 🌱
Cypherpunk and CSO at Evertas Insurance. Angel investor in crypto/security, Puerto Rico resident.
KCSI is a diverse group of leading intelligence scholars & practitioners working together to better understand the evolving global security landscape. https://kcsi.uk/
A blog and podcast about Russian and post-Soviet politics.
Senior Fellow at the Scowcroft Center for Strategy and Security at the Atlantic Council of the United States. All views my own. Reposting doesn’t imply endorsement.
A bipartisan research institution, CSIS is recognized as the top defense and national security think tank in the world.
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Author of “Russian Information Warfare” | Cyber chair, WSF | Randite | Oxonian | Bear huntress
Personal Account / Hayden Center Director / Led White House Situation Room / Fmr CIA Chief of Staff / Nat'l security & intelligence commentator / Speaker
The Insider is a Russia-focused, independent media outlet. We're fully committed to investigative journalism and to debunking fake news.
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