Ray Dalio @raydalioofficial.bsky.social 📈Founder of Bridgewater Associates
📚Author of #1 NYT Bestseller ‘Principles’
🤦♂️Professional Mistake Maker
🎯Take My Personality Assessment
MITRE ATT&CK @attack.mitre.org MITRE ATT&CK® - A knowledge base for describing the behavior of adversaries. Replying/Following/Reposting ≠ endorsement.
Azeria @azeria-labs.com Founder of Azeria Labs, Trainer, Author of Blue Fox: Arm Assembly Internals & Reverse Engineering
Elizabeth Wharton @lawyerliz.bsky.social Adviser, lawyer, and sometimes cybersecurity circus ringmaster - my monkeys fly.
Alex Pinto @alexcp.bsky.social Cybersecurity data storytelling. DBIR at Verizon Business. Previously serial founder and parallel shitposter. He/him.
DFRLab @dfrlab.bsky.social The Atlantic Council's Digital Forensic Research Lab. Cultivating a global network of digital forensic analysts (#DigitalSherlocks) to combat disinformation.
Julia Evans @b0rk.jvns.ca programming and exclamation marks
blog: jvns.ca
zines: wizardzines.com
Richard Bejtlich @taosecurity.bsky.social Former USAF intel officer. Early info war practitioner. Created GE-CIRT. Mandiant's first CISO. #NetworkSecurityMonitoring for @corelight-inc. Author. Latest books #ad amzn.to/3B2AcMc
Aleksandar Milenkoski @milenkowski.bsky.social Threat Research | Threat Intelligence | PhD | European Commission Marie Curie Research Fellow 2011-2014 | https://milenkoski.com | Personal Profile
Sean McNee @seanmcnee.bsky.social VP of Research & Data at DomainTools
Lover of Mac & Cheese
Hater of Phishing, Malware and Spam
It's always DNS
Austin Larsen @handle.invalid Principal Threat Analyst - Google Threat Intelligence Group
Matt Devost @devost.net Technologist, entrepreneur, and hacker | CEO @ OODA | Founder @DevSec | Past Founder of FusionX & Terrorism Research Center. Black Hat board member. 
cje @cje.io founder @bugcrowd && co-founder @disclose_io || hacker, entrepreneur, executive, advisor || عصا موسى || #w00w00
Blove @b-levene.bsky.social Head of Threat Informed Defense @Google
Cybercrime Specialist
Adjunct Professor at Johns Hopkins School of Advanced International Studies Alperovitch Institute
Meme Fiend
Aka “BLove”
mle @whyli.me Trying to leave things better than I found them, including the Internet • runner • security research @ Censys 🧡 she/her • @mle@infosec.exchange
Gabriel @morecoffeeplz.bsky.social Distinguished AI Research Scientist at SentinelOne. Former OpenAI, Apple infosec. Lecturer at John’s Hopkins SAIS Alperovitch Institute. Deceiver of hike length and difficulty.
Jorge Orchilles @jorgeorchilles.bsky.social SANS Principal Instructor & Author #SEC565 | #RedTeam | #PurpleTeam | #PenTest | #C2Matrix Creator | ATT&CK & Atomic Red Team Contributor | Published Author
Anton Chuvakin @anton1chuvakin.bsky.social www.chuvakin.org
John Hammond @johnhammond.bsky.social Hacker. Friend. Cybersecurity Researcher at Huntress.
Marc Rogers @cjunky.bsky.social Ramblings of a Mad Englishman: Hacker @ BBC's Real Hustle & Mr Robot. Head of Sec @ DEF CON. Founder @ CTI-League, Ransomware Taskforce, w00w00, CDC NSF, (He/Him).
Also
Twitter @marcwrogers
Mastodon cj@chaos.social
Bill Marczak @billmarczak.org senior researcher at @citizenlab.ca
Craig Williams @craigwilliams.bsky.social I build threat intel stuff.
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"
Instacyber @instacyber.bsky.social Reveals APTs with one easy application! | Artificial amateurs, aren't at all amazing // Analytically, I assault, animate things
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
Lenny Zeltser @lennyzeltser.com Builder of security products and programs. Teacher of those who run them.
https://zeltser.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.
Ryan Naraine @ryanaraine.bsky.social Three Buddy Problem
https://securityconversations.com
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
Jake Williams @malwarejake.bsky.social Breaker of software, responder of incidents, IANS Faculty, VP R&D Hunter Strategy.
Katie Nickels @likethecoins.bsky.social 
Christopher Glyer @cglyer.bsky.social Microsoft Threat Intelligence Center - Former Incident Responder & Chief Security Architect @Mandiant
Electronic Frontier Foundation @eff.org We're the Electronic Frontier Foundation. We're a nonprofit that fights for your privacy and free speech online. Find all of EFF's social media accounts at eff.org/social.
Cyber Threat Alliance @cyberalliance.bsky.social CTA is a group of cybersecurity practitioners who work together to improve the overall security of the global digital ecosystem. We are stronger together. www.cyberthreatalliance.org
The Shadowserver Foundation @shadowserver.bsky.social Our mission is to make the Internet more secure by bringing to light vulnerabilities, malicious activity and emerging threats. Join our Alliance!
https://shadowserver.org/partner
Andrew Morris @andrewmorr.is 🔳 founder of @greynoise.io. computers, networks, technology enthusiast. big goober.
the grugq @thegrugq.bsky.social 
Patrick Gray @patrick.risky.biz https://risky.biz/
Thomas Rid @ridt.bsky.social @ridt on X
Will T @bushidotoken.net 🇬🇧 | Senior Threat Intelligence Advisor at Team Cymru | Co-author SANS FOR589 | Co-founder Curated Intel
@halvarflake.bsky.social @halvarflake.bsky.social 
Rob Joyce @rgblights.bsky.social Cyber guy. Former NSA cybersecurity director and chief of TAO. Lover of memes. Warning - occasional outrageous Christmas light content.
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
John Hultquist @hultquist.bsky.social Mandiant Intelligence at Google. CYBERWARCON and SLEUTHCON founder. Johns Hopkins professor. Army vet.
Dan Black @danwblack.bsky.social Previously Google, NATO, 🇨🇦 Government. Views mine and mine only.
Dmitri Alperovitch @dmitri.silverado.org Geopolitics, Russia, China, Cyber
Chairman @silverado.org
Author of WorldOnTheBrink.com
Host GeopoliticsDecanted.com podcast
Founder Alperovitch Institute for Cybersecurity Studies at Johns Hopkins SAIS
Co-Founder CrowdStrike
@DAlperovitch elsewhere
J. A. Guerrero-Saade (JAGS) @jags.bsky.social VP of Intelligence and Security Research, Senior Technical Fellow (AI) @ SentinelOne.
Distinguished Fellow and Adj Professor @ Hopkins SAIS Alperovitch Institute. Three Buddy Problem Co-Host. LABScon Founder, Cyber Paleontologist, Fourth-Party Collector.
Nicole Beckwith @nicolebeckwith.bsky.social Sr. Manager, Threat Operations @kroger 🍓 CTI, Hunting, Detection Engineering, Insider Risk, Fraud & Forensics 💻 Fmr LE & DFIR for OH & Secret Service TF. #FSD #w00w00 #CFC
Martin Wendiggensen @machinavelli.com PhD candidate @ JHU Alperovitch Institute ; AI Research Scientist @ Dreadnode
The Vertex Project @vertexproject.bsky.social We create technology for analytical teams to provide intelligence-driven insights to decision makers.
For more info, visit https://vertex.link!
SLEUTHCON @sleuthcon.bsky.social Tickets for 2026 are now available!
https://www.sleuthcon.com
Summercon @summerc0n.bsky.social SummerCon 2026 is July 10-11. We are the official bsky account for SummerCon, America's Oldest Hacker Conference. Tip your bartender. https://summercon.org
PIVOTcon @pivotcon.bsky.social Threat Research Conference in Malaga, Spain, 6-8 May 2026
#StayTuned #ComingSoon #PIVOTcon #PIVOTcon26
https://pivotcon.org
Selena Larson @selenalarson.bsky.social loves dogs, sports, memes. she/her. podcaster. "bluesky's humblest resident nailfluencer 💅" - Jerry
my heart is in the west 🌵🌊 views mine.
Runa Sandvik @runasand.bsky.social Founder of Granitt, securing journalists and at-risk people around the world. 
Lee Foster @leefosterintel.bsky.social AI Security / Cyber Threat Intel / Disinformation / Influence Operations. Founder aspectlabs.ai, Adjunct at Johns Hopkins SAIS Alperovitch Institute for Cybersecurity Studies, formerly Director of Influence Ops Analysis at Mandiant. All views my own etc.
Zach Edwards @thezedwards.bsky.social data supply auditor | privacy & ad tech expert | internet threats
Personal @ victorymedium.com
Work @ Staff Threat Researcher @ Infoblox.com
Co-Founder @ DecryptAds.com
MalwareHunterTeam @malwrhunterteam.bsky.social https://x.com/malwrhunterteam | https://id-ransomware.malwarehunterteam.com/
CYBERWARCON @cyberwarcon.bsky.social CYBERWARCON is a one-day conference in Arlington, VA focused on the specter of destruction, disruption, and malicious influence on our society through cyber capabilities.
cyberwarcon.com
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
DistrictCon @districtcon.bsky.social A new DC hacker conference: Bringing together builders, breakers, and fixers to do cool shit.
Feb. 6-7, 2027
districtcon.org
Mark Parsons @mparsons.bsky.social Threat Analyst @ Microsoft - mostly post about astrophotography and occasional some work. Posts are my own
Bartek Jerzman @handle.invalid Hunting ghosts in wires and boxes, Head of CTI, former NCSC-PL, PL Navy #fightingthreats | @PIVOTcon.bsky.social co-founder & Chief Meme Officer
visi stark @invisig0th.bsky.social Founder of The Vertex Project (@vtxproject)
Father of the #APT1 Report @Mandiant.
Inventor of #synapse, #vivisect, UNCs, imphash, ...
DEFCON CTF Champion, Founder of Kenshoto
Rob Fuller @mubix.com (he/him) Dad / Husband / Marine / Student / Teacher / @Hak5 / @NoVAHackers / @SiliconHBO / @NationalCCDC / @MARFORCYBER Auxiliary
Alperovitch Institute @alperovitch.institute The Alperovitch Institute for Cybersecurity Studies at Johns Hopkins SAIS.
Zakir Durumeric @zakird.com Internet Security, Trust, and Safety Researcher. Stanford CS Faculty, Censys Founder and Chief Scientist, ZMap Creator. https://zakird.com/
Silas Cutler @silascutler.bsky.social You may know me from your server logs.
#Malware, Hacks, Internet Scanning, #CTI
Bluesky @bsky.app official Bluesky account (check username👆)
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