Jarno Niemelä @jarnon.bsky.social Grumpy infosec guy who has been on the blue team since late 90s. Dabbles on the red side on occasion. Been working with various detection AI and threat detection and management automation since late 2000s
gab 🇺🇦🇵🇸 @gabagool.ing fka @gabbyroncone on twitter. mission tech lead for RU & Eastern European APT ops @Google. views expressed here are mine, not my employer’s. she/her.
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. 🏳️🌈
SwitHak (👁️) @swithak.bsky.social French Security Analyst (Fmr TelcoSec)
Cyber / Security / Geopolitics & and others.
Personal Account, My opinion!
Lang: ENglish & FRench
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.
Jason Kikta @kikta.net // Making it up as I go
// JHU SAIS @alperovitch.institute adjunct
// @istorg.bsky.social adjunct sr tech advisor
// Former USCYBERCOM/CNMF
// Retired US Marine Corps
// Personal views and invective
Thomas Rid @ridt.bsky.social @ridt on X
John Hultquist @hultquist.bsky.social Mandiant Intelligence at Google. CYBERWARCON and SLEUTHCON founder. Johns Hopkins professor. Army vet.
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.
SwiftOnSecurity @swiftonsecurity.com computer security person. former helpdesk
Kevin Beaumont @doublepulsar.com cybersecurity weather man. scanning the horizons for cloudy cyber. Expert at nothing except computer rubbish. Anti-ransomware since 2015.
Marcus Hutchins @malwaretech.com threads.com/@malwaretech
https://linkedin.com/in/malwaretech
https://marcushutchins.com
Myrtus @malwareindepth.com Malware Researcher | Developer | @Cryptolaemus1
| @NVIDIA
Will happily talk about malware with anyone.
Silas Cutler @silascutler.bsky.social You may know me from your server logs.
#Malware, Hacks, Internet Scanning, #CTI
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
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
Jeremy Kirk @jkirk.bsky.social Okta Threat Intelligence. Personal account. Interests: Cyber threat intelligence, OSINT, data breaches, AI. Formerly intel analysis @ Intel 471. jeremykirk.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
Nick Carr @carr.bsky.social Relax.
Fan of an SEC team but I still root for mid-majors. 
Micah @webbreacher.com Maker of WhatsMyName OSINT tool | Co-owner @ myosint.training | Finder of things and knower of secrets (IYKYK) | Always #OSINTCurious
Ryan Gallagher @rjgallagher.co.uk Investigative reporter @Bloomberg.com covering technology & cybersecurity.
Anonymous tips: https://tips.hushline.app/to/ryan
Email: ryan@rjgallagher.co.uk
Signal/WhatsApp: +44 737-678-6842
Nicole Perlroth @nicoleperlroth.bsky.social cyber raconteur | author THIS IS HOW THEY TELL ME THE WORLD ENDS | former @nytimes | now betting on heroes @ Silver Buckshot Ventures + Venture Partner at Ballistic Ventures.
Huntress @huntress.com Managed endpoint protection, detection and response designed to help the 99% fight back against today’s cybercriminals.
@hasherezade.bsky.social @hasherezade.bsky.social Programmer, #malware analyst. Author of #PEbear, #PEsieve, #TinyTracer. Private account. All opinions expressed here are mine only (not of my employer etc) ; https://hasherezade.net
x0rz @x0rz.bsky.social Cybersecurity & Threat Intelligence. Knowledge is power, France is bacon 🥓
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
MalwareHunterTeam @malwrhunterteam.bsky.social https://x.com/malwrhunterteam | https://id-ransomware.malwarehunterteam.com/
GusSerino @icsecure.bsky.social ICS/OT Security, Control Systems PE, water guy, MWRA Alum, Dragos Alum. Founder I&C Secure, Inc
Jim Gilsinn @jimgilsinn.bsky.social ICS Cybersecurity Engineer @ MITRE, Critical Infrastructure, Electrical Engineer, Father, Muslim, Geek & Tech Junky, Adjunct Prof @ GMU, #ISA_IEC62443 #NIST
cje @cje.io founder @bugcrowd && co-founder @disclose_io || hacker, entrepreneur, executive, advisor || عصا موسى || #w00w00
Rob Fuller @mubix.com (he/him) Dad / Husband / Marine / Student / Teacher / @Hak5 / @NoVAHackers / @SiliconHBO / @NationalCCDC / @MARFORCYBER Auxiliary
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
David (DWIZZZLE) Weston @dwizzzle.bsky.social Corporate Vice President, OS Security and Enterprise @Microsoft
Bex @4n6bexaminer.bsky.social Livin' the DFIR Lyfe | Incident Response Manager @ Canva | CuratedIntel Member | Stubborn Western Australian working in infosec | Thoughts are my own
O.G. @0x4f47.bsky.social Recovering detection engineer.
Joe Gray aka JOSINT @c3pjoe.bsky.social Threat Intel; Author: @nostarch; 5x Black Badge; Views: my own; https://nostarch.com/practical-social-engineering
Ian Anderson @iananderson.bsky.social Cyber and Physical Security Manager. Technology Monitoring. Instructor @ Arizona State. Baseball fan.
Oklahoma City
Allan “Ransomware Sommelier” Liska @ransomwaresommelier.com Recorded Future - Ransomware Researcher
Owner @greenarcher.io - Yours Truly, Johnny Dollar | The Press Guardian | The Clock | The Green Archer
Weird mix of security, comics, photography and wine!
www.greenarcher.io
Patrick Howell O’Neill @patrickhowelloneill.com Journalist at Bloomberg News in DC. Signal: @howelloneill.01, email: patoneill1@bloomberg.net https://www.bloomberg.com/authors/AXb8dLPHBFc/patrick-howell-oneill
Jack Rhysider @jackrhysider.bsky.social Creator of Darknet Diaries.
Verification: https://twitter.com/JackRhysider/status/1675298532406984707
Danny Palmer @dannypalmer.bsky.social Freelance cybersecurity journalist & writer. Welsh. SE London.
Also likely to post about games, rugby, F1, wrestling & the cat.
I have a Simpsons reference for every occasion.
p(👻) @0x0.boo Security. People matter most.
Craig Williams @craigwilliams.bsky.social I build threat intel stuff.
INTERPOL @interpol.int Connecting police & catching criminals in 196 countries for more than a century. 🕵️
Follow our success stories here. 👮♂️🚔👮♀️
✍️ Report crimes to your local police.
Sean Gallagher @thepacketrat.net Birb stalker. Cat tree. Cyber Threat Researcher. Recovering cyber and natsec reporter. Meme war and US Navy veteran.
@thepacketrat everywhere since 1994. These posts are not my employers’. https://falling-anvil.com
Phillip Wylie @phillipwylie.bsky.social Offensive Security Professional | Phillip Wylie Show Podcast Host | The Pentester Blueprint coauthor | TribeOfHackers Red Team | https://linktr.ee/phillipwylie
Drunk Binary @drunkbinary.bsky.social Senior Principal Adversary Hunter @dragosinc, Army Veteran,
Cocktail Scientist, APT Researcher | #FSD
https://infosec.exchange/web/@DrunkBinary
https://twitter.com/DrunkBinary
Sean Lyngaas @snlyngaas.bsky.social Cybersecurity reporter, CNN. Signal +1-202-355-8471 or SNLyng.11. sean[dot]lyngaas@cnn[dot]com|slyngaas@proton[dot]me
Nate Warfield @n0x08.bsky.social Network Security | Hacker | WIRED25 2020 | CTI-League Founder | Security Researcher
Patrick Gray @patrick.risky.biz https://risky.biz/
OSINT Techniques | Ritu Gill @osinttechniques.bsky.social https://www.forensicosint.com/
Joseph Menn @joemenn.bsky.social Washington Post alum covering hacking, disinformation and what’s left of privacy. Author of books on the Cult of the Dead Cow, organized criminal hacking, and Napster. Pulitzer co-finalist 2024. Signal joemenn.01
D̒͂̕ᵈăᵃn̕ᶰ Ť̾̾̓͐͒͠ᵗe͗̑́̋̂́͡ᵉn̅ᶰtᵗl̀̓͘ᶫe̓̒̂̚ᵉrʳ @viss.hax.lol Viss from twitter and mastodon.social.
startup founder, hotsauce guy, public speaker
eater of pineapple on pizza, listener of ska, flooper of quads
internet grandpa, former sysadmin turned infosec
https://phobos.io/rtg/
https://ravenholmspices.etsy.com
Ned Pyle @nedpyle.com Dog butler to Indy, Darby, & Kell. Former USMC 0341. Chicago Tavern style. You may know me from years of MSFT. Or not. Was @nerdpyle before the bad times. Eat shït, nazis
Jake Williams @malwarejake.bsky.social Breaker of software, responder of incidents, IANS Faculty, VP R&D Hunter Strategy.
ᴉpᴉǝH 🐐💕 @summerheidi.bsky.social infosec! personal account. views are that of rustic australian countryside. nothing is an endorsement. everything is awkward.
Kelly Shortridge @shortridge.bsky.social software resilience, cybersecurity, complex systems | chief product officer @fastly.com | nyc
“In the information society, nobody thinks. We expected to banish paper, but we actually banished thought.”
kellyshortridge.com
@swagitda_ on Twitter
Accidental CISO @accidentalciso.net I accidentally became the CISO. I didn't want this job, but the job chose me. I'm scared, and I want to go home.
https://www.accidentalciso.net
@mikko @mikko.bsky.social Fighting malicious use of technology.
Squiblydoo @squiblydoo.bsky.social Malware Analyst; creator of debloat, certReport, CertCentral.org
Debloat Discord: http://discord.gg/dvGXKaY5qr
squiblydoo.blog
Corsin @cocaman.ch it security & cyber guy, research @ https://ecrime.ch, friendly, swiss | Opinions are my own
Natto Thoughts @nattothoughts.bsky.social Cyber threat intelligence research and analysis from geopolitical, economic, social, cultural and linguistic perspectives.
https://www.nattothoughts.com/
CyberRaiju @jaiminton.com An Aussie who does cyber things | Sr. Manager @Huntress.com | Former Principal @CrowdStrike.com and HuntressLabs | https://jaiminton.com | https://www.youtube.com/@cyberraiju/featured
Thomas Roccia :verified: @fr0gger.infosec.exchange.ap.brid.gy AI x Threat Intelligence
🌉 bridged from ⁂ https://infosec.exchange/@fr0gger, follow @ap.brid.gy to interact
Paul Rascagneres @r00tbsd.bsky.social Lord of Loaders at Volexity
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
Cyber Detective @cybdetective.bsky.social Every day I write about #osint (Open Source Intelligence) tools and techniques. Also little bit about forensics and other cybersecurity related themes
Craig Silverman @craigsilverman.bsky.social Cofounder of https://indicator.media, your essential guide to understanding and investigating digital deception. Sign up for free! Investigative journalist and OSINT trainer.
https://craigsilverman.ca
mwosint @plosint.com 
OSINTgeek @osintgeek.de Erlerne Ermitteln. Herstellerunabhängige Schulungen zu Open Source Intelligence und digitalen Ermittlungen.
https://linktr.ee/osintgeek
OSINT-Research 🕵️ @osint-research.bsky.social Connecting.The.Dots.
Finds it!
Posts about #OSINT, #GeoInt, #HumInt; #OpSec, #InfoSec & #AI .
✅ https://osint-research.com
🧰 osintresourceshub.com
𐂷 https://linktr.ee/osint_research
🔗: start.me/p/rxekAP/osint-research
Eliot Higgins @eliothiggins.bsky.social Founder and creative director of Bellingcat and director of Bellingcat Productions BV. Author of We Are Bellingcat.
Sofia Santos @gralhix.bsky.social 🇵🇹 Senior OSINT Analyst & Lead Investigator ~ Addicted to finding stuff & explaining things ~ Occasionally funny ~ https://gralhix.com & http://youtube.com/@gralhix
Soxoj @soxoj.bsky.social OSINT enthusiast. Author of tools & guides. Founder of OSINT mindset community. CPO @ Social Links.
https://soxoj.com/bsky
Ervin Zubic @ervinzubic.bsky.social Founder at blockquiry. http://mirror.xyz/ervinzubic.eth; http://medium.com/@ervin.zubic;
I Need a SYNACK @ineedasnyack.bsky.social OSINT, InfoSec, learning new things, writing, good movies, movies so-bad-they're-good, love a good laugh. I try to do good. I have more questions than answers.
Lisa @osintlisa.bsky.social OSINT Investigator at Locate international and The Cyber Helpline. Passionate about OSINT, Threat Intelligence, geopolitics and disinformation - DFRLab Digital Sherlock Fall 2024. Ireland
https://medium.com/@thecyberhuntress
https://cyberhuntress.co.uk
Kirbstr @kirbstr.bsky.social plessas.net // former CIA and DIA intelligence professional, U.S. Army veteran, and leading OSINT expert who has trained over 25,000 law enforcement professionals through FBI and DEA programs //
knowledgebase.plessas.net
The Banshee Queen 👑 @cyberoverdrive.bsky.social #threatintel @Recorded Future | Formerly @PwC GTI | Malware & infrastructure analysis with a side of cyberpunk. 🌃🌌 She/her, support 🏳️🌈🏳️⚧️✨
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)
Kimmy 🅅 @kimmy.zip Highly Unprofessional | Hardcore Wholesome | Product Management | Hackery Type | Trans(former) 🏳️⚧️ | Failed Man | Polyamorous | XY(ZZY) | Taller than you
Other socials:
https://kimmy.zip
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.
@abuse-ch.bsky.social @abuse-ch.bsky.social Fighting malware and botnets
Sam Hanson @sam-hans0n.bsky.social Security researcher for Dragos
https://sam-hanson.space
John Strand @strandjs.bsky.social I do cool Infosec stuff with cool people.
I will light the way by the bridges I burn.
chris! @unauthorized.computer burritosec | he/him 🏳️🌈 | cyber dude | and it only seems so strange right now
Ollie Whitehouse @ollieatnowhere.bsky.social CTO at the UK's National Cyber Security Center 
Cryptolaemus @cryptolaemus.bsky.social Mealybugs have not been found lately :( I am hungry again for a new bug or perhaps, duck, lots of qakbots around.
dms1899 @dms1899.bsky.social work time: defender
fun time: malware hoarder/puzzle solver/capacity tester
member of:
@cryptolaemus.bsky.social
fan of:
@hatching_io
@sublime_sec
Gi7w0rm @gi7w0rm.bsky.social Just me, worming through the interwebs.
Threat Intelligence and #URINT Analyst
Other places: linktr.ee/gi7w0rm
Support me: https://ko-fi.com/gi7w0rm
Brad @malware-traffic-analysis.net Sharing information on malicious network traffic and malware samples at https://www.malware-traffic-analysis.net/
Heinbrian @heinbrian.bsky.social #w00w00 #00m00m
Morgan Adamski @morganadamski.bsky.social EXDIR of U.S. CYBERCOM. Cyber Huntress, #1 Fan of CCC, Life goals include the ocean…
Matt Kelly @breakersall.bsky.social Threat intelligence, threat hunting, reforming red teamer
Tommy Madjar @ffforward.bsky.social Threat Researcher @ Proofpoint. Opinions are my own etc
Haxolotl 🌻 @haxo1ot1.bsky.social Chaotic good security analyst | CTI & OSINT | Wanna be threat hunter | They/them
JP Castellanos @dragonkin37.bsky.social Fmr DoD CND Threat Hunter, Director of Cyber Threat Intel
@Binary_Defense, Gamer, Geek, Weeb, & Geopolitics opinions are my own. #WeAreNAFO #FUZZYSNUGGLYDUCK
Malware Unicorn @malwareunicorn.bsky.social @Straiker. Ex-Microsoft. Ex-Meta RedTeam, Ex-Endgame, Ex Fireeye. malwareunicorn.org