Catalin Cimpanu @campuscodi.risky.biz ☆ Cybersecurity reporter
★ Newsletters at Risky Business
#infosec #cybersecurity
https://risky.biz
Oleg Shakirov @shakirov2036.bsky.social I study Russian foreign policy, cyber security, arms control
Eugenio Benincasa @euben.bsky.social Cyber Defense Researcher @ethz.ch. Former Italian govt, Pacific Forum and NYPD. LUISS & Columbia University Alum.
YJB @yjb.bsky.social 
vx-underground (automated mirror) @vxundergroundre.bsky.social The largest collection of malware source code, samples, and papers on the internet.
Password: infected
(unofficial, this is a bot! Maintained by a private individual, the bot can't handle retweets or replies, support soonish)
Cyber Threat Intelligence Daily @cyberintelligence.bsky.social Cyber Threat Intelligence (CTI) posts.
www.cyberthreatintelligence.net
#CTI #CyberSecurity
Dark Web Informer @darkwebinformer.com Providing Cyber Threat Intelligence from the Dark Web & Clearnet: Breaches, Ransomware, Darknet Markets, Threat Alerts, Crypto & more. https://darkwebinformer.com/socials // https://x.com/DarkWebInformer // THIS ACCOUNT IS IN PARK. PLEASE FOLLOW ELSEWHERE.
Rachel Tobac @racheltobac.bsky.social Hacker & CEO @SocialProofSec security awareness/social engineering training, videos, talks | 3X @DEFCON🥈 | Ex Chair @WISPorg | Ex @CISAgov Technical Advisory Council under Director Jen Easterly
EU Institute for Security Studies @euiss.bsky.social The EUISS is the EU’s foreign & security policy think tank. We provide critical analysis and insights to inform the EU’s strategic choices.
🌐 iss.europa.eu
RAND @rand.org We arm leaders with the information they need to tackle the toughest policy problems. Nonprofit, nonpartisan. 📥 Get our newsletter: https://bit.ly/4haSUVK
www.rand.org
Atlantic Council @atlanticcouncil.bsky.social Shaping the global future together.
Subscribe to our newsletters: https://engage.atlanticcouncil.org/Standard-Sign-up-Newsletters.html
Chatham House @chathamhouse.org The Royal Institute of International Affairs - Chatham House. Independent thinking since 1920.
Website🔗: chathamhouse.org
Podcast🎙️: https://apple.co/45Bbbny
Magazine: @theworldtoday.org
Journal: @iajournal.bsky.social
HCSS - The Hague Centre for Strategic Studies @hcss.bsky.social HCSS is an independent knowledge institute in the Netherlands conducting research on geopolitical, defence & security issues.
https://hcss.nl
Institute for the Study of War @thestudyofwar.bsky.social ISW is a policy research organization focused on U.S. national security. Email: press@understandingwar.org. For more: https://linktr.ee/understandingwar
RUSI @rusi.bsky.social Royal United Services Institute for Defence and Security Studies. Founded in 1831, RUSI is the oldest defence and security think tank in the world.
Website 💻: https://rusi.org/
WhatsApp 📱: https://bit.ly/4h0M5FQ
Egmont Institute @egmontinstitute.bsky.social EGMONT – Belgian Royal Institute for International Relations provides a platform for interdisciplinary research & debate on European & international affairs.
https://www.egmontinstitute.be/
John Hultquist @hultquist.bsky.social Mandiant Intelligence at Google. CYBERWARCON and SLEUTHCON founder. Johns Hopkins professor. Army vet.
Joe Slowik @pylos.co Threat Intel / CTI / OT / ICS / Critical Infra stuff along with other things. I genuinely care, and wish others did too.
Website: pylos.co
Training/Consulting: paralus.co
MITRE ATT&CK @attack.mitre.org MITRE ATT&CK® - A knowledge base for describing the behavior of adversaries. Replying/Following/Reposting ≠ endorsement.
Maggie Miller @maggiemiller.bsky.social Cybersecurity reporter for Politico based in DC. Also history, dog, and good TexMex taco nerd.
mmiller@politico.com, DM for Signal
PIVOTcon @pivotcon.bsky.social Threat Research Conference in Malaga, Spain, 6-8 May 2026
#StayTuned #ComingSoon #PIVOTcon #PIVOTcon26
https://pivotcon.org
SteveD3 (Steve Ragan) @steved3.io Father. Grandpa. Geek. Hacker. Former journalist. Security researcher. CMO @BSidesLV.org Member: Curated Intel 
Rikmer @rikmer.bsky.social 
SttyK @sttyk.bsky.social アーティスト、犬好き、熱烈な読書愛好家。
Jon Condra @jcondra.bsky.social Sr. Director of Current Intelligence & Hybrid Threats @ Recorded Future. China, Ukraine, general geopolitics & cyber. Opinions my own. Reposts not endorsements.
(╯°□°)╯︵ S︵T ︵U ︵🔥 @cybersecstu.bsky.social I'm a Teams reaction GIF, I like OSINT, Consulting Director ✍️ CTI & Analytics book ~202X, Tracelabs Black badge x3, Ex-Podcaster, ex The many hats club, #cyber Views my own or the AI's.
AaronCTI @aaroncti.bsky.social Co-Founder Webamon, Founder @perspectiveintel.bsky.social. Author of Cyber Threat Intelligence: The No-Nonsense Guide for CISOs & Security Managers. Training at Kase Scenarios! Exec/Webinars @osint-community.bsky.social and creator of osintportal.com
Myrtus @malwareindepth.com Malware Researcher | Developer | @Cryptolaemus1
| @NVIDIA
Will happily talk about malware with anyone.
Andy Gill @zephrfish.yxz.red Defcon goon, Adversarial Architect. Photography, Driving, Blog and general purveyor of chaos. Metal/DnB Fan creator and owner of https://lms.zsec.red
Bosint Blanc @bosintblanc.bsky.social Threat research, musings, coffee
pancak3 @handle.invalid https://trac-labs.com
cyber go brrr
Alexander Leslie @aejleslie.bsky.social Cybercrime & Hacktivism @ Recorded Future | Insikt Group | Curated Intelligence | @aejleslie everywhere else.
Chris @phage.nz High Tech, Low Life | curatedintel.org Team
Aaarghhh @udontknow.us
/Dev,\s(deep|dark)web\sLurker,\sCyber\sThreat\sIntel\sAnalyst\sby\sday\.\nOSINT-lover\sby\snight\./g
Member of @curatedintel.bsky.social.
Kostas @kostastsale.bsky.social Running ➡ http://defendpoint.ca | http://edr-telemetry.com | https://edr-comparison.com/ | http://detectionstream.com | 🇬🇷🇨🇦
Simon Kenin @k3yp0d.bsky.social Threat Hunter at SentinelOne | curatedintel.org Member | k3yp0d.blogspot.com | Opinions are of my own voices inside my own head | memes and music are welcome
seachelli @seadev.bsky.social 
Rag @ragsec.bsky.social Long before time had a name, the First Spookjitsu Master created Rag using four surveillance agencies. | Co-Founder, ConInt & NoPainOnlyPlane | CTI/OSINT
Mostly gonna post 40k stuff
S 🪩 @s0urcesmeth0ds.bsky.social 
Calwarez @calwarez.bsky.social Director for Malicious Infrastructure Discovery @ Recorded Future | Views my own
Ben @benmcga.bsky.social security researcher | views are my own- K KrabsOnSecurity @krabsonsecurity.bsky.social reverse engineer
Nat (Karan) @disrel.com GREM | CTI Analyst & Malware Researcher | Staff at VX-Underground | PTC
Drum Cult @drumcult.bsky.social Everyone starts from point one
Shahanshah of DFIR
ari @actuallyari.bsky.social I pretend to work in Infosec, which is really just a cover for "I want to get paid to read books about geopolitics and spy shit".
Apurv @sc0rpi0n.bsky.social Threat Researcher | Threat Intel | Cybercrime Intel | curatedintel.org Member
Seán G. @labraid.bsky.social Here to talk planes, CyberSecurity and absolute patter (it'll be mostly the latter)- 0 Ralph Horn @0xgan.bsky.social Data nerd lost in Cyber
Teamlead CSIRT @ DIVD
Incident Responder @ Northwave Security
Membership:
Curated Intelligence
DIVD
fastfire @fastfire.bsky.social Head of Cyber Threat Intelligence @ Würth Group, GCTI/CPENT/CEH/CND/CSA/ECSA/ECIH/CTIA, owner of SATAYO CTI platform & deepdarkCTI - member of @CuratedIntel
RYSannikov @rysannikov.bsky.social Interests include politics, cyber security, threat intelligence, wildlife conservation, history, and ice hockey. Here for information and stimulating conversation.
netbroom @netbroom.bsky.social Founder of @pulsedive.com. Creator of threatfeeds.io.
echo %USERNAME% @flying-mammoths.bsky.social 
Joe Coleman @joecoleman.bsky.social The most known unknown CTI professional in the game yo! Often imitated, never duplicated. 21st Century Renaissance Man who wears many hats: Army combat veteran, CTI Pro, Adult Fan of Lego (AFOL), video gamer, Otaku, and old-school hip-hop fanatic.
Ap @alpha-papa.bsky.social DFIR - Guy that never sleeps 🔍- N N14 @nonefour.bsky.social
Michael DeBolt @deebo471.bsky.social 
@threatable.bsky.social @threatable.bsky.social 
Gadget @cybershujin.bsky.social Living at the intersection of cybersecurity and AI/ML 🤖💖
OWASP, Health-ISAC, OWASP
https://cybershujin.com and https://github.com/cybershujin- T Toffee @toffee.bsky.social
@euphoricfall.bsky.social @euphoricfall.bsky.social Startup things at Pulsedive, watercolor, games on tables.
Cyber Oleg @cyber-oleg.bsky.social Blog - CybercrimeDiaries.com
CTI - OSINT
Bex @4n6bexaminer.bsky.social Livin' the DFIR Lyfe | Incident Response Manager @ Canva | CuratedIntel Member | Stubborn Western Australian working in infosec | Thoughts are my own
Mark Kelly @mkyo.bsky.social 🇨🇳 Threat Research at Proofpoint
Curated Intel @curatedintel.bsky.social Bringing together intelligence researchers and incident responders. #TrackThePlanet 🌍 curatedintel.org
Will T @bushidotoken.net 🇬🇧 | Senior Threat Intelligence Advisor at Team Cymru | Co-author SANS FOR589 | Co-founder Curated Intel
Chris Dale @chrisdale.bsky.social Principal instructor at SANS Institute. CHO (Chief Hacking Officer) and co-founder of River Security. Occasionally put content on YT: https://www.youtube.com/@chrisdale
Max @disclosing.observer PhD Candidate in Anti-Abuse Strategy & Ethics @ TU Delft
CSIRT Operations Lead @ https://divd.nl
Virtual Routes Fellowship Alumnus '24-'25
Writing about it all on https://disclosing.observer
Kamil Bojarski @lawsecnet.counterintelligence.pl #threatintel #dfir #osint #natsec and other secs. Downloading things from the Internet and looking at them. Views are my own Email: kamil@counterintelligence.pl
Dan Black @danwblack.bsky.social Previously Google, NATO, 🇨🇦 Government. Views mine and mine only.
Euractiv @euractiv.com Euractiv is an independent pan-European media network. We are an essential, trusted source for news, analysis and debate on EU politics and policy. www.euractiv.com
Bart Groothuis @bartgroothuis.bsky.social Member of European Parliament. All things cyber, defence, foreign interference, digital, trade, geopolitics.
Thomas Rid @ridt.bsky.social @ridt on X
Cristian Tracci @cristracci.bsky.social 🤓 Cyber, international security and public policy
☀️Positive thoughts and 🧠 interesting conversations
🏛️🦁 Columbia SIPA alumnus
Disney Global Intelligence & Threat Analysis Dept @kosh38.bsky.social 
Microsoft Threat Intelligence @threatintel.microsoft.com We are Microsoft's global network of security experts. Follow for security research and threat intelligence. https://aka.ms/threatintelblog
Virtual Routes @virtualroutes.bsky.social Virtual Routes tackles the impact of digital and emerging technologies on global affairs. Also check out @bindinghook.bsky.social, our media outlet.
Max Smeets @maxwsmeets.bsky.social Author of No Shortcuts & Ransom War
Co-director Virtual Routes (https://virtual-routes.org/), previously ECCRI
Managing Editor Binding Hook (https://bindinghook.com)
Senior Researcher, ETH Zurich
Bluesky @bsky.app official Bluesky account (check username👆)
Bugs, feature requests, feedback: support@bsky.app