Yvonne Lee @yvonnelee.bsky.social GenAI & product policy external engagement @ Meta. PhD student @ Oxford Internet Institute.
Washington DC.
Mark Kelly @mkyo.bsky.social 🇨🇳 Threat Research at Proofpoint
thesilence @thesilence.bsky.social Principal analyst @vtxproject / #Synapse
#APT1 report / former Mandiant
Doing #threatintel before it was a thing
Steve YARA Synapse Miller @stvemillertime.bsky.social writing & sharing on adversary tradecraft, malware, threat detection, ics/ot + cyber physical intel, and of course all things #yara
Eugenio Benincasa @euben.bsky.social Cyber Defense Researcher @ethz.ch. Former Italian govt, Pacific Forum and NYPD. LUISS & Columbia University Alum.
SentinelLABS @sentinellabs.bsky.social We are the Threat Intelligence and Malware Analysis team of
@sentinelone.com
https://sentinellabs.com
https://labscon.io- D David @dav4a.bsky.social Reverse Engineer, Bluetooth Firmware / ARM / Android low level internals.
Ryan Naraine @ryanaraine.bsky.social Three Buddy Problem
https://securityconversations.com
Wesley Shields @wxs.bsky.social Working at Google TAG. Retired FreeBSD committer. May or may not be a robot.
Aaron Gersztoff @agerszto.bsky.social Advanced Threats @ Yahoo. All things security related. And the Mets.
Allison Wikoff @saltywikoff.bsky.social #threatintel Americas Lead @pwc. Hype woman. Beach Rat. Former Adjunct @Columbia. Lover of all the APTs. | All views are my own. @SaltyWikoff@infosec.exchange (not really though)
@SaltyWikoff at the other place
Virus Bulletin @virusbtn.bsky.social Security information portal, testing and certification body.
Organisers of the annual Virus Bulletin conference.
Morgan Adamski @morganadamski.bsky.social EXDIR of U.S. CYBERCOM. Cyber Huntress, #1 Fan of CCC, Life goals include the ocean…
Vijay Bolina @vijaybolina.bsky.social Currently hacking AGI at Google DeepMind. Former Mandiant, Booz Allen, USG.
Chi En (Ashley) Shen @ashl3y-shen.bsky.social Security researcher @ Cisco Talos. / Ex-Google TAG / Black Hat & HITCON review board / Organiser of Rhacklette. 
Sherrod @sherrod.bsky.social It’s me. Sherrod DeGrippo 
Nick Attfield @nickattfield.bsky.social Threat Research @ Proofpoint | Views 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
Natalie Silvanovich @natashenka.bsky.social Google Project Zero
@matthieufaou.bsky.social @matthieufaou.bsky.social Malware Researcher @ @esetresearch.bsky.social
Lasq @lasq.pl Advanced Practices 🦅 @Google Threat Intelligence Group
Threat Attribution, Frontline Intelligence, Malware Analysis, Threat Hunting, Incident Response
#attributionmatters
Alex Stamos @stamos.org CPO/CSO of Corridor.dev, teaching at Stanford.
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.
Nicole Fishbein @nicolefishbein.bsky.social Senior security researcher and reverse engineer @Intezer
The Banshee Queen 👑 @cyberoverdrive.bsky.social #threatintel @Recorded Future | Formerly @PwC GTI | Malware & infrastructure analysis with a side of cyberpunk. 🌃🌌 She/her, support 🏳️🌈🏳️⚧️✨
Yong Xiong @yong.bsky.social Journalist, covering China and more.
DPRK CERT @dprkcert.bsky.social Official Computer Emergency Response Team (CERT) for the Democratic People's Republic of Korea
#NorthSide #NorthKoreaBestKorea
John Culver @johnculver689.bsky.social Fmr National Intelligence Officer for East Asia, retired CIA analyst. Views solely my own. Likes/reposts are not an endorsement.
Mark Parker Young @markparkeryoung.bsky.social Principal analyst at Google's Threat Intelligence Group. Former Deputy National Intelligence Officer for East Asia and senior nonresident fellow at the Atlantic Council. Views my own.
https://markparkeryoung.net
Austin Larsen @handle.invalid Principal Threat Analyst - Google Threat Intelligence Group
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
Kristina Balaam @kristinabalaam.bsky.social 💻 Senior Staff Researcher @Lookout. 中文学习. China-Focused Threat Intelligence. Malware, Geopolitics, Human Rights. Opinions my own.
Brian Hart @brianthart.bsky.social 贺博然 | Deputy Director and Fellow, @csis.org @chinapower.csis.org | Working at the intersection of China, security, foreign policy, and tech
https://www.csis.org/people/brian-hart
Alexa Olesen @ouleishan.bsky.social China-focused researcher & consultant. China Leaks & Panama Papers for ICIJ. Ex-AP China.
Devin Thorne @d-thorne.bsky.social China Analyst.
Aleksandar Milenkoski @milenkowski.bsky.social Threat Research | Threat Intelligence | PhD | European Commission Marie Curie Research Fellow 2011-2014 | https://milenkoski.com | Personal Profile
Kieran Green @kgreen42.bsky.social Mostly lurking. Specializing in China and infosec. Organizer @DistrictCon. I occasionally try to write smart things. Views my own, etc.
Katharin Tai 戴恺琳 @ktai.bsky.social Probably somewhere in an archive near berlin. phd-ing @ MIT Political Science on Chinese politics, technology policy, bureaucracy & GDR computing. Also at mstdn.social/@ktai
Will Douglas Heaven @willdouglasheaven.bsky.social Senior AI Editor at MIT Technology Review / Signal: strawbilly.69
David DiMolfetta @ddimolfetta.bsky.social Nextgov/FCW cybersecurity + intelligence reporter. Tips: ddimolfetta@govexec.com Signal: @ djd.99 X/Twitter: @ddimolfetta
Dave Wilburn @davemwilburn.bsky.social Recovering infosec engineer, machine learning for infosec, sailor, news junkie, threat intel consumer, deep statist. All opinions are mine. Also see my account on Mastodon/Fediverse, @davemwilburn@infosec.exchange
Volexity @volexity.com Volexity is a cybersecurity firm founded by the pioneers of memory forensics. Volexity delivers transformative solutions & services to governments & organizations worldwide, increasing enterprise visibility & facilitating rapid intrusion detection.
Ron Deibert @rondeibert.bsky.social Director of The Citizen Lab at the University of Toronto's Munk School of Global Affairs & Public Policy
Author of Chasing Shadows https://chasingshadowsbook.ca/ 
GreyNoise @greynoise.io GreyNoise analyzes Internet background noise. Use GreyNoise to remove pointless security alerts, find compromised devices, or identify emerging threats.
Ron Bowes @iagox86.bsky.social Staff Product Detection Engineer @ Censys. https://skullsecurity.org
Mostly post about professional stuff, maybe some improv stuff and maybe even magic some day. Seattle-based (originally Canadian), queer, cybersecurity nerd.
(He/him)
Kajhon S. @ksoyini.bsky.social Senior Security Researcher @ Microsoft | Threat Hunting/DFIR 🕵🏾♂️ | Army Vet
Stephen Hilt @sjhilt.hilt.zip Threat Researcher @ TrendAI (Trend Micro), waffle maker, and dad. My statements and opinions are my own and do not reflect my company.
Catalin Cimpanu @campuscodi.risky.biz ☆ Cybersecurity reporter
★ Newsletters at Risky Business
#infosec #cybersecurity
https://risky.biz
Dave Aitel @daveaitel.bsky.social 
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
Alexander Leslie @aejleslie.bsky.social Cybercrime & Hacktivism @ Recorded Future | Insikt Group | Curated Intelligence | @aejleslie everywhere else.
Kevin Collier @kevincollier.bsky.social I cover digital threats for NBC News. Tip me! @kevincollier.01 on signal, kevin.collier@nbcuni.com. NYC, from West Virginia.
Thomas Rid @ridt.bsky.social @ridt on X
Craig Williams @craigwilliams.bsky.social I build threat intel stuff.
Ben Read @benread.bsky.social CTI @wizsecurity.bsky.social
Adjuct at @jhu.edu - SAIS
Nonresident Fellow at @atlanticcouncil.bsky.social - Cyber Statecraft
Previously NSC44, Mandiant, Google
Go Mammoths
Andy Greenberg @agreenberg.bsky.social Writer for WIRED. Author of SANDWORM. Latest book, TRACERS IN THE DARK: The Global Hunt for the Crime Lords of Cryptocurrency, out now. agreenberg@wired.com. Andy.01 on Signal.
Lorenzo Franceschi-Bicchierai @lorenzofb.bsky.social Real-time historian of the late cyber capitalist era @TechCrunch, writing about the intersection of hackers, human rights, and spies.
Also writing a book about Hacking Team and the history of government spyware.
☎️ Signal: +1 917 257 1382
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
Mark Parsons @mparsons.bsky.social Threat Analyst @ Microsoft - mostly post about astrophotography and occasional some work. Posts are my own
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"
John @bigbadw0lf.bsky.social Frontline Intelligence with #AdvancedPractices 🦅 @Google Threat Intel | views are my own
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
SwitHak (👁️) @swithak.bsky.social French Security Analyst (Fmr TelcoSec)
Cyber / Security / Geopolitics & and others.
Personal Account, My opinion!
Lang: ENglish & FRench
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
SLEUTHCON @sleuthcon.bsky.social Tickets for 2026 are now available!
https://www.sleuthcon.com
Eric Hutchins @ehutchins.bsky.social Started in infosec, co-authored the kill chain paper, dabbled in countering influence operations at Meta, and now back to infosec. Lover of command line, python, and rust.
Christopher Glyer @cglyer.bsky.social Microsoft Threat Intelligence Center - Former Incident Responder & Chief Security Architect @Mandiant
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.
Dakota @dakotaindc.bsky.social China-Focused Consultant @SentinelOne | Nonresident Fellow @ACGlobalChina | Adjunct @Georgetown | Unprofessional Cook | ❤️💜💙
https://linktr.ee/dakotaindc
Dan Black @danwblack.bsky.social Previously Google, NATO, 🇨🇦 Government. Views mine and mine only.
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
Tom Hegel @hegel.bsky.social Distinguished Threat Researcher, SentinelLABS Research Lead @SentinelOne. Nation-state operations, research systems & applied AI for threat intelligence. Find me at https://TomHegel.com
JD Work @hostilespectrum.bsky.social Former intel, now academic @NDU_CIC, @TheKrulakCenter, @SIWPSColumbia @ColumbiaSIPA, @CyberStatecraft, @ElliottSchoolGW, @PAISWarwick. Apolitical, views=own
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.
David Agranovich @dagrano.bsky.social Fmr. NSC Director, Intelligence. Director, Threat Disruption @ Meta. Rescue Dog Pilot, Flight Instructor, Former Big Hair Practitioner 🏳️🌈
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.
Bill Marczak @billmarczak.org senior researcher at @citizenlab.ca
Danny Moore @moore.bsky.social Cyber-warfare | PhD from KCL | Author of 'Offensive Cyber Operations' | Security @ Meta 
John Hultquist @hultquist.bsky.social Mandiant Intelligence at Google. CYBERWARCON and SLEUTHCON founder. Johns Hopkins professor. Army vet.
John Scott-Railton @jsrailton.bsky.social Chasing digital badness. Senior Researcher at Citizen Lab, but words here are mine.
Marcus Hutchins @malwaretech.com threads.com/@malwaretech
https://linkedin.com/in/malwaretech
https://marcushutchins.com
Runa Sandvik @runasand.bsky.social Founder of Granitt, securing journalists and at-risk people around the world. 
David Oxley @oxley.io Interim head of information security 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
Bluesky @bsky.app official Bluesky account (check username👆)
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