Ullrich von Müffling 🌶️ @vonmuf.bsky.social Infosec nerd. Technophile & wielder of AI magic. Bike builder.
Heavy Metal, Cycle-touring, Beer, Renewable Energy
🇩🇪🇦🇺🇫🇮🇪🇺🇺🇦
#bikesky
Matasoft @matasoft.bsky.social Fuzzy data matching, entity resolution, data science, data analytics
Jeremy @sysfail.bsky.social Navigating the Cognitive Warfare Epoch | Former Los Alamos National Laboratory Cyber | Researcher in Cyber Operations, AI, Information Warfare/Information Operations (IW/IO), and Statecraft.
All opinions are my own
Montani Semper Liberi
Chris Mitchell @otherchris.bsky.social 
Paul @pauls-research.bsky.social I <3 thinking. Context is key! Data, AI, Graph and Cybersecurity. Used to hunt exploit kits, (was) demon117 on twitter
RationalEdge @rationaledge.bsky.social Traditional malware analysis platforms give you verdicts. RationalEdge gives you understanding. Transform your threat analysis workflow with intelligence you can understand and trust.
Learn more at https://rationaledge.io
Censys @censys.bsky.social Censys is the authority in Internet intelligence & insights. Delivering the most comprehensive, accurate, and up-to-date global map of Internet infrastructure, Censys provides the real-time external visibility.
Ferocioustuna @ferocioustuna.bsky.social Perpetual student. Infosec. Bay area.
@vtx-savage.bsky.social @vtx-savage.bsky.social 
Alex Rudolph @cyberincontext.ca I research Canadian cyber defence policy, focusing on CAFCYBERCOM.
Carleton University PhD(ABD): State behaviour in cyber conflict. (Cyber force structure & doctrine)
CGAI & NAADSN Fellow. Cyber Yeoman.
I run Canadian Cyber in Context: cyberincontext.ca
BSides Pyongyang @bsidespyongyang.bsky.social 🇰🇵 #BSidesPyongyang2025 : Nov 18 2025 (Missile Industry Day) @ Lazarus HQ Pyongyang
https://bsidespyongyang.com/
DPRK CERT @dprkcert.bsky.social Official Computer Emergency Response Team (CERT) for the Democratic People's Republic of Korea
#NorthSide #NorthKoreaBestKorea
@notthelinux.bsky.social @notthelinux.bsky.social 
Chris Sistrunk @chrissistrunk.bsky.social Husband, Dad, ⚡EE⚡, OT Security,
OT Practice Leader @Mandiant.com,
Ex-Entergy 💡, BEER-ISAC #002, LaTech Alum
#BBQ, Bourbon, Mississippi Sippers 🥃🦟, weirdo, klugemeister, #sockstatus, #dadjokes #DJaaS #NAPCON Keynote
📍 Mississippi, y'all
Elly Rostoum @ellyrostoum.bsky.social Linguist | Writer | Professor 📚 All things #China #AI #NatSec #SupplyChains | Taking down bullies since 2000,"now & in the future." #ردّي_الزمر_لمّو🔥 |⚽️🏀🎾
👩🏻🏫: www.EllyRostoum.com | www.BullDragon.org
☕: http://buymeacoffee.com/ellyrostoum
kurt baumgartner @kurtisj.bsky.social cybersecurity researcher, co-founder TLPBLACK.
thanks for all the xor
Genevieve @femmeshoto.bsky.social 
Nick Frichette @frichetten.com Staff Security Researcher @datadoghq | DEF CON/Black Hat USA main stage speaker | he/him | OSCP OSWE | I turned hacking AWS into a career | Tweets are my own | Created https://hackingthe.cloud
AlphaHunt Converge @alphahunt.io The signal moves first.
WIRED @wired.com For Future Reference.
Sign up for our newsletters: https://wrd.cm/newsletters
Find our WIRED journalists here: https://go.bsky.app/Boj9b5E
Zoë Schiffer @zoeschiffer.bsky.social Director of Business & Industry at WIRED. Author of Extremely Hardcore: Inside Elon Musk’s Twitter. Signal zoeschiffer.87
Phil Hagen @philhagen.com DFIR, security, networking, all things tech, OneWheel, Radinn, travel, LEGO, and probably a whole lot more in small and sporadic bits. (Squirrel!)
Fierce and unapologetic ally. He/him/his.
Josh @v1ll4n0us.bsky.social IR at @mandiant @google | interest in Threat Intel and ML/AI | Opinions are my own | He/Him
Brody @brody-n77.bsky.social Cybersecurity, Battletech, and Sci-Fi.
Humphr3y_H3lld0gg$ @lordofthenazgul.bsky.social Interests: red teaming, dev, threat research, sports, lifting, malware research/RE
Red Teamer, former Threat Intel, former MDR, former Network Engineer, former Geoint/Imint
CyberSquarePeg @cybersquarepeg.bsky.social “Cyber Never Sleeps” Protecting the Disney Magic! @CuratedIntel 
Catalin Cimpanu @campuscodi.risky.biz ☆ Cybersecurity reporter
★ Newsletters at Risky Business
#infosec #cybersecurity
https://risky.biz
Matt Bromiley @bromiley.io ⚙️ AI Security R&D @ Prophet Security
🎓 IR/TH/Incident Management Instructor
🎙️ Frequent Guest on Cybersecurity Defender's Podcast
🔍 Where to Find Me: https://github.com/bromiley
Carly Page @carlypage.bsky.social Journalist & copywriter with 10+ years covering the tech industry, formerly senior cybersecurity reporter at TechCrunch. Bylines include IT Pro, LeadDev, The Register, The Telegraph, TIME, WIRED, & more.
☎️ Signal: carly.44
✉️ carlypagewrites@gmail.com
Zack Whittaker @zackwhittaker.com Security editor, TechCrunch
Signal: zackwhittaker.1337
My stories: techcrunch.com/author/zack-whittaker
My newsletter/blog: this.weekinsecurity.com
Jason Koebler @jasonkoebler.bsky.social Journalist @404Media.co
Signal: jason.404 // email: jason@404media.co
cje @cje.io founder @bugcrowd && co-founder @disclose_io || hacker, entrepreneur, executive, advisor || عصا موسى || #w00w00
Matt Novak @paleofuture.bsky.social Reporter at @Gizmodo.com.
I’ve been writing about the history of futurism at @Paleofuture.com since 2007.
Email: mnovak@gizmodo.com
Signal: mattnovak.11
Tim Starks @timstarks.bsky.social Senior reporter, CyberScoop, covering spyware, cyber policy and more. Russia-sanctioned. Former Washington Post, POLITICO, CQ Roll Call. @timstarks.02 on Signal. tim.starks@cyberscoop.com. Mastodon timstarks@infosec.exchange, X timstarks, Threads tstarks2.
Stuart @stu4rt.bsky.social Detection Engineer
Chris Bing @chrisbing.bsky.social Cyber, natsec and foreign affairs. Formers with ProPublica, Reuters and CyberScoop
https://bing-chris.medium.com/how-to-contact-me-d2fd4bd3ed7b
Vanja Svajcer @vanjasvajcer.bsky.social Something, something - Cisco Talos Threat Intelligence 
Spencer Walden @spencerwalden.net Cyber Threat Intelligence, Python, Network Security. Seattleite, nerd, tea > coffee.
Cybersixgill @cybersixgill.bsky.social Continuously exposing the earliest indications of risk. #CTEM #threatintelligence #infosec
Julian Wolf @julupu.bsky.social Threat research, running, and other things
Nick Attfield @nickattfield.bsky.social Threat Research @ Proofpoint | Views are my own.
Jason Killam @suspiciouslink.bsky.social Detection Engineer @ Red Canary
https://github.com/killamjr
Tom Padden @tpad.bsky.social Threat intelligence analyst. He/him
Jason Craig @3141592f.bsky.social Extremely Hardcore full spectrum middle manager. ex red team, blue team @ Pinterest, Dropbox , Facebook, Yahoo!, etc⚡️⚔️🛡🗝🤫still knows Mike Schwartz.
melanie @threatcat.bsky.social Cyber Threat Intelligence Analyst
martin @cantcomputer.bsky.social CSO @ TrustedSec | Music | Tattoos | H@x | Rad Memes
Ronnie Salomonsen @r0ns3n.dk Adversary Methods - Research & Discovery (RAD) Team @Mandiant - Now Part of @GoogleCloud. Former DFIR, Malware & Network Analyst. All tweets are my own.
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
Michael Bower @mbower.bsky.social “Threat Hunter” and I write detection rules
Cris Brafman Kittner @criskittner.bsky.social military strategy, geopolitical analysis, CTI, avid photographer
Chris @brompwnie.bsky.social Likes to hack things.
GitHub.com/brompwnie
Kristen @kdennesen.bsky.social 
jarocki @jarocki.bsky.social Maker, breaker, hunter, storyteller, collector of digital oddities
Tim @tvidas.bsky.social Husband, Dad, Hacker.
Principal Security Engineer at @AWSCloud
Serial founder (e.g. @defcon402, @_kernelcon_)
Personal account.
@tvidas@infosec.exchange
@tvidas@twitter
Dave @dave-ess.bsky.social Cyber Threat Intel 💻 🕵🏼 Ohio State football 🏈 Distance running 🏃🏻♂️
Haxolotl 🌻 @haxo1ot1.bsky.social Chaotic good security analyst | CTI & OSINT | Wanna be threat hunter | They/them
Audra Streetman @audrastreetman.bsky.social Threat Intel @ Target
@qutluch.bsky.social @qutluch.bsky.social When these frail shadows we inhabit now have quit the stage, we'll meet and raise a glass again together in Valhalla.
EXC3L @exc3l.bsky.social Threat Intelligence Lead @ undisclosed | macOS malware sleuth | Vertex Synapse afficionado
Christian @thir-sec.bsky.social 🏹 SentinelOne | SANS_EDU #MSISE Alum | Former TheDFIRReport Contributor.
Expressed opinions are my own.
Jeff Beley @beley.org Incident response and incident response accessories @Accenture. Opinions are my own. DNS aficionado. grep/sed/awk connoisseur.
@lindsaysfreeman.bsky.social @lindsaysfreeman.bsky.social 
Greg Lesnewich @greg-l.bsky.social oh great, now I’m on bluesky 
Simon simonsen @sim0ns3n.bsky.social Log enthusiast / espresso enthusiast / pizza maker / detection+observability engineering
Mark Lechtik @marklech.bsky.social Senior TI Analyst @ MSTIC.
Former Senior RE @ FLARE.
Chi En (Ashley) Shen @ashl3y-shen.bsky.social Security researcher @ Cisco Talos. / Ex-Google TAG / Black Hat & HITCON review board / Organiser of Rhacklette. 
cji @cji.bsky.social Cloud Threat Detection @google. Kubernetes SRC & Containerd Security Advisor.
@mjg5.bsky.social @mjg5.bsky.social 
Tyler Casey @1qazcasey.bsky.social Detection Engineer & Threat Hunter. Livin in the Lou.
Chase Sims @malwaremayhem.bsky.social Threat Hunter - critical infrastructure
Konstantin @konstantinklinger.bsky.social Threat Detection & Research at Proofpoint
Andrew [Retired from Sad] @athomashemlock.bsky.social You guys want a drink or something. I think I have diet coke and lemonade and maybe some coffee from this morning.
He/him.
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
Jared Stancombe @jstancombe.bsky.social Illegitimi non carborundum
Lesley Carhart @hacks4pancakes.com I am eminently qualified to speak from experience about a variety of dumpster fires.
ICS DFIR at Dragos, martial artist, marksman, humanist, level 14 Neutral Good rogue, USAF retired. I post *very serious* things about infosec. Thoughts my own. Enby. 🏳️🌈
Jake Williams @malwarejake.bsky.social Breaker of software, responder of incidents, IANS Faculty, VP R&D Hunter Strategy.
Beau Woods @beauwoods.com hack all the cybers
John Hammond @johnhammond.bsky.social Hacker. Friend. Cybersecurity Researcher at Huntress.
tuckner @johntuckner.me Working on finding bad software extensions.
Eric Capuano @eric.zip - Dad of two <3
- Co-founder Recon InfoSec
- SANS DFIR Instructor
- BlackHat Trainer
- IANS Faculty
- Trainer @digitaldefenseinstitute.com
- Blog: https://blog.ecapuano.com
- ⬡ ODESZA, Lane 8, Kasbo 🎧
- ❤ @whit.zip
Christopher Peacock @securepeacock.bsky.social I find weird things on networks.
#PurpleTeam | Ex Raytheon MSSP, SCYTHE, & GD | Taught at BlackHat & DEFCON | #100DaysofSigma | Keep exploring, keep learning, and stay curious.
Katie Knowles @siigil.bsky.social Security Researcher @ Datadog. 🐶 Head in the (Azure) clouds.
Sometimes blogging, always curious. Aim to be, rather than to seem.
Blogs at https://kknowl.es.
signalblur📡🛸 @signalblur.bsky.social Cloud Security Researcher
Founder of https://magonia.io
#Cloud #Container #NSM #Malware #CTI #ThreatIntel
UFO Enthusiast
Opinions are my own. He/Him
Mehmet Ergene @cyb3rmonk.bsky.social https://academy.bluraven.io
Threat Hunting & Research, Detection Engineering | Microsoft Security MVP
#KQL #DFIR #DataScience
All is one.
Opinions are my own
http://posts.bluraven.io
https://github.com/Cyb3r-Monk/Threat-Hunting-and-Detection
Christophe Tafani-Dereeper @christophetd.fr Cloud and container security • Security research and open source at Datadog
🇨🇭🇫🇷
https://christophetd.fr
Greg Foss @gregfoss.com Security Research Leader @ Datadog
Views are strictly my own
Matthew Conway @mattreduce.com 🔍 Threat Intelligence @ Remitly
✍️ CTI newsletter and blog @sourcesmethods.com
mthcht @mthcht.bsky.social Threat Hunting - DFIR - Detection Engineering
🐙 https://github.com/mthcht
🐦 https://x.com/mthcht
📰 https://mthcht.medium.com
Kostas @kostastsale.bsky.social Running ➡ http://defendpoint.ca | http://edr-telemetry.com | https://edr-comparison.com/ | http://detectionstream.com | 🇬🇷🇨🇦
Hexacorn @hexacorn.bsky.social Red Brain, Blue Fingers
Malware Analysis, Reverse Engineering, Threat Hunting, Detection Engineering, DFIR, Security Research, Programming, Curiosities, Software Archaeology, Puzzles, Bad dad jokes
https://www.hexacorn.com/blog/
hexacorn@infosec.exchange
AJ King @ajking.io Threat Research at SnapAttack now part of Splunk now part of Cisco / Detection Engineering / Dad | #DetectionEngineering #ThreatHunting #PurpleTeam | Header art from http://art.vx-underground.org.
Matt Hand @matterpreter.bsky.social Director of Security Research at Prelude💜 | Author of Evading EDR http://nostarch.com/evading-edr 📖 | Security research & windows internals 🦠
Jason Trost @jason-trost.bsky.social Senior Staff Engineer at Databricks focused on Threat Detection / Security / ML / Data. Formerly Dept of Defense, Booz Allen, Endgame, Anomali, CapitalOne , HSBC
Nate Warfield @n0x08.bsky.social Network Security | Hacker | WIRED25 2020 | CTI-League Founder | Security Researcher
Rory McCune @mccune.org.uk Security geek, Containers, Kubernetes, Golang/Ruby, hillwalking
Home Page :- https://www.mccune.org.uk
Blog:- https://raesene.github.io
Rich Mogull @rmogull.com Cloud security, hacker, run/bike/drown, TK11940 in the 501st, itinerant disaster paramedic, private pilot, and other stuff. @rmogull on Signal
Chief Analyst at CSA. CEO of Securosis. Both totally made up titles.
https://slaw.securosis.com
Myrtus @malwareindepth.com Malware Researcher | Developer | @Cryptolaemus1
| @NVIDIA
Will happily talk about malware with anyone.
Ryan McGeehan @mag00.bsky.social Security person. Formerly @ Federal Reserve, FB, Coinbase.
See Starting Up Security @ http://scrty.io
Anton Chuvakin @anton1chuvakin.bsky.social www.chuvakin.org