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
Jamie MacColl @jamiemaccoll.bsky.social Senior Research Fellow @rusi.bsky.social | Senior Research Associate @virtualroutes.bsky.social | Usually researching ransomware and cybercrime | Sometime indie landfill guitarist
JD Work @hostilespectrum.bsky.social Former intel, now academic @NDU_CIC, @TheKrulakCenter, @SIWPSColumbia @ColumbiaSIPA, @CyberStatecraft, @ElliottSchoolGW, @PAISWarwick. Apolitical, views=own
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
James Shires @jamesshires.bsky.social Co-Director, Virtual Routes (virtual-routes.org)
Managing Editor, Binding Hook (bindinghook.com)
Author of The Politics of Cybersecurity in the Middle East
1steve 1stone @stonepwn3000.bsky.social TV/VCR Repair, Bad Guys & Breaches, big Jim Harrison poetry fan 
Melissa K. Griffith @melissakgriffith.bsky.social Faculty at Johns Hopkins SAIS & the Alperovitch Institute | former Wilson Center; Stanford CISAC | PhD from UC Berkeley | cyber and national security; semis; 5G; AI | usual disclaimers apply
Coordinates: melissakgriffith.com
Harm Teunis @harmteunis.bsky.social
Cybersecurity evangelist | ESET Nederland
Ciaran Martin @ciaranm.bsky.social Cyber War. Huh. What is it good for?
derek guy @dieworkwear.bsky.social Menswear writer. Editor at Put This On. Words at The New York Times, The Washington Post, The Financial Times, Esquire, and Mr. Porter.
If you have a style question, search:
https://dieworkwear.com/ | https://putthison.com/start-here/
John @bigbadw0lf.bsky.social Frontline Intelligence with #AdvancedPractices 🦅 @Google Threat Intel | views are my own
Matt Smith @tangohead.bsky.social Computers, bikes, music, coffee, order varies day to day.
Jenna McLaughlin @jennamclaughlin.bsky.social NPR Correspondent covering technology and national security.
Send me a tip: Text JennaMcLaughlin.54 on Signal from personal (nonwork) devices.
Pasquale Stirparo 🇺🇦 🇪🇺 @pstirparo.bsky.social Founder @ RationalEdge
#ThreatIntel #ICS #DFIR; ''Learning iOS Forensics'' author;
#BSidesZH #PIVOTcon org.
@pivotcon.bsky.social
https://pstirparo.ch
https://rationaledge.io
Related interests/obsessions:
#ThreatHunting #CTI #YARA #CriticalThinking #Books
Rory Cormac @rorycormac.bsky.social Professor: Subversion & Secret Statecraft | Author: Fakers (coming 2026); Disrupt & Deny; How to Stage a Coup; Crown, Cloak, & Dagger
King's Centre for the Study of Intelligence (KCSI) @kcsi.uk KCSI is a diverse group of leading intelligence scholars & practitioners working together to better understand the evolving global security landscape. https://kcsi.uk/ 
David E. Hoffman @davidehoffman.bsky.social davidehoffman.com — The Oligarchs, The Dead Hand, The Billion Dollar Spy, and Give Me Liberty. Washington Post 2023 editorial series “Annals of Autocracy”: https://wapo.st/3K8LVNd
Mark Stout @markstout.bsky.social Former intelligence officer and university educator, current intelligence historian. Also live on the borderlands of military history. Former Historian at the International Spy Museum. I wish I were in Seattle. The cat is Boadicea. Not flying with Natalie.
Toomas Hendrik Ilves @ilvestoomas.bsky.social 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.
Thomas Rid @ridt.bsky.social @ridt on X
SwitHak (👁️) @swithak.bsky.social French Security Analyst (Fmr TelcoSec)
Cyber / Security / Geopolitics & and others.
Personal Account, My opinion!
Lang: ENglish & FRench
Nicole Hoffman @threathuntergirl.bsky.social Friendly Neighborhood CTI Analyst | Children’s Book Author | Lego builder | Gamer | She/Her
Costin G. Raiu @craiu.bsky.social Romanian antihacker from another planet. #threatintel #yara #chess #taekwondo black belt
Motto: "One reboot a day keeps the implant away"
Cedric Pernet @cedricpernet.bsky.social Senior Threat Researcher @ Proofpoint.
Cybercrime / Cyberespionage aficionado.
Has worked in several CSIRTs/CERTs.
Metal & Rock dude, never enough guitars.
Motorcycles fan.
Wrote a book in French language on cyberespionage.
Ex-Law Enforcement Officer
PIVOTcon @pivotcon.bsky.social Threat Research Conference in Malaga, Spain, 6-8 May 2026
#StayTuned #ComingSoon #PIVOTcon #PIVOTcon26
https://pivotcon.org
Nate Beach-Westmoreland @natebeachw.bsky.social Cyber threat analyst focused on state-aligned adversaries. Opinions are my own, not my employer's. #threatintel #infosec #osint
Craig Williams @craigwilliams.bsky.social I build threat intel stuff.
Andrew Case @attrc.bsky.social Volatility Core developer, Dir. of Research Volexity, LSU Cyber
Steve YARA Synapse Miller @stvemillertime.bsky.social threat intelligence @google
writing & sharing on adversary tradecraft, malware, threat detection, ics/ot + cyber physical intel, and of course all things #yara
Lil Juan Rey @johnking.bsky.social 🏥🍯 TLP: Burnt Sienna, Omni Consumer Products Manager, High Altitude Treasure Recovery
PJ 🇨🇦 🧬🔬📡💻 🥃 @pj47596176.bsky.social National security, cyber, science & innovation, whisky, and other musings.
IntelCorgi @intelcorgi.bsky.social cyber threat intelligence, OSINT, and corgi hair. Thoughts are my own, RT/Like != Endorsement. (He/Him)
Blog: intelcorgi.com
Patrick Gray @patrick.risky.biz https://risky.biz/
David Agranovich @dagrano.bsky.social Fmr. NSC Director, Intelligence. Director, Threat Disruption @ Meta. Rescue Dog Pilot, Flight Instructor, Former Big Hair Practitioner 🏳️🌈
Shane Huntley @shanehuntley.bsky.social Aussie security / tech guy.
Google Threat Intelligence. Co-founder Threat Analysis Group (TAG). Tweets are my own not my employers.
UK_Daniel_Card @mrr3b00t.bsky.social 
John Sipher @johnsipher.bsky.social Former CIA clandestine service. Spycraft Entertainment, Atlantic Council, NAFO. Host of Mission implausible podcast. Friend of dogs everywhere.
Shashank Joshi @shashj.bsky.social Incoming Washington bureau chief at The Economist. Previously defence editor for eight years.
Visiting Fellow at Department of War Studies, KCL. For speaking engagements: https://chartwellspeakers.com/speaker/shashank-joshi- P Phil Venables @philvenables.bsky.social
Patrick C Miller @patrickcmiller.bsky.social Critical Infrastructure & Industrial Security Advisor. Ampyx Cyber CEO. Public speaker. Airport dweller. Recovering regulator. BEERISAC member. CCI US Coordinator. Former SANS Instructor.
#ICS #OT #NERCCIP #NIST #IEC62443 #NIS2 #CRA #SlavaUkraini
Christopher Porter @cdporter00.bsky.social CISO, student of infosec, manager of risk, Dad, exerciser, and @UVA alum. Former @vzdbir author, @verisframework creator. All opinions are my own.
Maddie Stone @maddiestone.bsky.social Security Researcher at Google Project Zero. 0-days all day. Love all things reverse engineering. she/her
David Oxley @oxley.io Senior leader for detection and response at Anduril Industries. @CitizenLab.ca Research Fellow. Former federal agent. Fan of space, books, cyberpunk, sci-fi, espionage history, and storms. Personal account. 🇺🇸 🇺🇦 🇹🇼 #ThreatIntel
Storm chasing 📸 🌪️: @wxdox.com
Adam Pennington @whatshisface.bsky.social I lead MITRE ATT&CK. Something something SCUBA diving, cyber. If it’s not about ATT&CK, I speak only for me. He/him.
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
jon greig @jgreig.bsky.social cybersecurity reporter for The Record.
formerly: zdnet, techrepublic, blavity, haitian times, cambodia daily
— send tips to jonathangreig11@protonmail.com or signal: jgreig.51
CyberScoop @cyberscoop.bsky.social We report on news and events impacting technology and security. https://linkin.bio/cyberscoop/
Andrew Couts @couts.bsky.social Security & Investigations Director at @WIRED.com. Send tips and/or dog pics.
Signal: couts.01
Eliot Higgins @eliothiggins.bsky.social Founder and creative director of Bellingcat and director of Bellingcat Productions BV. Author of We Are Bellingcat.
Łukasz @maldr0id.bsky.social 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 ✨🌈🦄
Whitney Merrill @wbm312.bsky.social I nudge people to care about privacy and security. CPO/DPO. Privacy/infosec lawyer. Hacker. Fighting for privacy, digital civil liberties & the users. Ex @EA @FTC |my views are my own. I used to post on Twitter at @wbm312.
Allan @allanfriedman.bsky.social SBOM Champion. Paranoid about supply chains of all kinds. Former full-service technocrat at CISA, NTIA. Lapsed{engineer, academic, author}. Now wandering the world doing acts of infosec-goodness, & occasionally getting paid for it. Poster of food pics.
Alyssa Miller 🦄👩✈️ @alyssam-infosec.com Hacker, CISO, and commercial pilot. Certified Bluesky Elder. Author and International Speaker, Chief advocate of #DoBetterBeBetter
Compassion and empathy are traits in short supply but necessary to make this world a better place.
alyssasec.com
Sergio Caltagirone @intel.bsky.social Georgia Tech Professor. Cyber threat intelligence and cybersecurity professional - former NSA, Microsoft, and Dragos. President of the Threat Intelligence Academy. #FSD 🦆 Formerly @cnoanalysis on Twitter
John Hultquist @hultquist.bsky.social Mandiant Intelligence at Google. CYBERWARCON and SLEUTHCON founder. Johns Hopkins professor. Army vet.
Bluesky @bsky.app official Bluesky account (check username👆)
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