Kevin Beaumont @doublepulsar.com cybersecurity weather man. scanning the horizons for cloudy cyber. Expert at nothing except computer rubbish. Anti-ransomware since 2015.
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
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. 🏳️🌈
Marcus Hutchins @malwaretech.com threads.com/@malwaretech
https://linkedin.com/in/malwaretech
https://marcushutchins.com
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"
Beau Woods @beauwoods.com hack all the cybers
Silas Cutler @silascutler.bsky.social You may know me from your server logs.
#Malware, Hacks, Internet Scanning, #CTI
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
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.
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
Allison Nixon @nixonnixoff.bsky.social Chief Research Officer @ Unit 221B
most reliable way to reach me is my company's outreach form on the website
my other urls:
https://infosec.exchange/@nixonnixoff
https://www.linkedin.com/in/allison-nixon-81822124/
don't bother contacting me on twitter
Joe Roosen @jroosen.bsky.social SpyCloud - Director of Security Research, Cryptolaemus Coordinator, Emotet(Ivan)/QBot(Boris) Destroyer, gold prospector & former sysadmin.
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
tuckner @johntuckner.me Working on finding bad software extensions.
Nicole Hoffman @threathuntergirl.bsky.social Friendly Neighborhood CTI Analyst | Children’s Book Author | Lego builder | Gamer | She/Her
AaronCTI @aaroncti.bsky.social Co-Founder Webamon, Founder @perspectiveintel.bsky.social. Author of Cyber Threat Intelligence: The No-Nonsense Guide for CISOs & Security Managers. Training at Kase Scenarios! Exec/Webinars @osint-community.bsky.social and creator of osintportal.com
Phil Stokes ⫍🐠⫎ @philofishal.bsky.social macOS security researcher espousing no one's opinions but my own. Dogged follower of #lufc, at least until the world stops going round (IYKYK).
philastokes.com
PIVOTcon @pivotcon.bsky.social Threat Research Conference in Malaga, Spain, 6-8 May 2026
#StayTuned #ComingSoon #PIVOTcon #PIVOTcon26
https://pivotcon.org
Alex Delamotte @alex.leetnoob.com I’m just a girl who lives in Vegas & likes cloud malware, idk anymore.
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
Christophe Tafani-Dereeper @christophetd.fr Cloud and container security • Security research and open source at Datadog
🇨🇭🇫🇷
https://christophetd.fr
Matthew Conway @mattreduce.com 🔍 Threat Intelligence @ Remitly
✍️ CTI newsletter and blog @sourcesmethods.com
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
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.
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
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
Matt Johansen @mattjay.com Friendly neighborhood cybersecurity guy | expect infosec news, appsec, cloud, dfir. | Long Island elder emo in ATX.
vulnu.com <- sign up for my weekly cybersecurity newsletter
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.
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”
Austin Larsen @handle.invalid Principal Threat Analyst - Google Threat Intelligence Group
Ryan McGeehan @mag00.bsky.social Security person. Formerly @ Federal Reserve, FB, Coinbase.
See Starting Up Security @ http://scrty.io
Jorge Orchilles @jorgeorchilles.bsky.social SANS Principal Instructor & Author #SEC565 | #RedTeam | #PurpleTeam | #PenTest | #C2Matrix Creator | ATT&CK & Atomic Red Team Contributor | Published Author
Nathan Burns @n-burns.bsky.social Senior Detection Engineer and Threat Hunter @ Autodesk
https://medium.com/@nburns9922
Opinions are my own (of course)
HGB @hgb.crowstrike.zip DE&TH
I like playing with malware, writing Sigma rules, and hoarding combo lists.
Jonny Johnson @jonny-johnson.bsky.social Principal Windows Security Researcher @HuntressLabs | Windows Internals & Telemetry Research
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
DPRK CERT @dprkcert.bsky.social Official Computer Emergency Response Team (CERT) for the Democratic People's Republic of Korea
#NorthSide #NorthKoreaBestKorea
Lennart Koopmann @lennart.0x58ed.com Building @nzyme.org // Leichtes Wirkmittel 30+
Houston, TX, USA
KJ5KRF
pancak3 @handle.invalid https://trac-labs.com
cyber go brrr
Amitai Cohen🎗️🤟 @amitaico.bsky.social personal website @ cloudcurio.us ✦ researching @ Wiz Security (threats.wiz.io) 🐞 maintaining @ cloudvulndb.org 🎙️ podcasting @ cryingoutcloud.io 🗺️ pivoting @ Pivot Atlas (gopivot.ing)
Florian Roth @cyb3rops.bsky.social Placeholder profile : https://x.com/cyb3rops | glad to be in this respectful safe space | vi/vim
@domchell.bsky.social @domchell.bsky.social 
Knowledge @edgeknowledge.bsky.social Knowledge: the videogame industry newsletter from the creators of Edge. Sign up here for the new edition every Friday: bit.ly/knowledgenewsletter
Get in touch via edgeknowledge@futurenet.com
@mgeeky.bsky.social @mgeeky.bsky.social 
Jen Gentleman @jenmsft.bsky.social I work on the Windows engineering team at Microsoft and help with feedback for Start menu, Settings, taskbar, input + more
You can find me on most of the other social media apps including Twitter and reddit with the same account name @jenmsft
Brendan Chamberlain @infosecb.bsky.social Threat Detection Engineer @ Klaviyo | Detection & Response | Security Automation | macOS Security | Maintainer of awesome-detection-engineering, LOOBins
infosecb.com
https://github.com/infosecB
malmoeb.bsky.social @malmoeb.bsky.social Head of Investigations at InfoGuard AG - dfir.ch
Nicolas Caproni @caproni.fr Head of Sekoia Threat Detection & Research (TDR) team • Cyber Threat Intelligence • Detection Engineering • SOC Platform 🇫🇷 🇪🇺 • Hip-Hop • Basketball 
Greg Foss @gregfoss.com Security Research Leader @ Datadog
Views are strictly my own
techy @techy.detectionengineering.net Creator of Detection Engineering Weekly (https://detectionengineering.net), Sec Research/Intel/Detection @ Datadog
ExecuteMalware @executemalware.bsky.social Malware analyst
Katie Nickels @likethecoins.bsky.social 
Drew @bugfire.io malware detection and analysis, hunting and gathering, threat research
Views are my own.
sydney @letswastetime.bsky.social | search "thrunter"
| eval specialty="Purple Team, Treat Hunter, Lifting Heavy Things"
Andrew Morris @andrewmorr.is 🔳 founder of @greynoise.io. computers, networks, technology enthusiast. big goober.
Matthew @embeeresearch.bsky.social 
Toby Lewis @tobaslouis.co.uk Global Head of Threat Analysis at @Darktrace.com
All things Cyber Security Ops, Threat Hunting, Threat Intel and Incident Mgmt.
Max Rogers @maxrogers5.com Sr. Director of SOC at Huntress. Ex-Mandiant/FireEye. Bringing security to the Fortune 5,000,000.
Wietze @wietzebeukema.nl Threat Detection & Response. Interested in cyber security, tech and politics. Views are my own, unless retweeted.
Matt Green @mgreen27.bsky.social Velociraptor@Rapid7. #DFIR, #CTI and research.
https://mgreen27.github.io
dogesec @dogesec.com We build software for cyber #threatintelligence analysts.
https://www.dogesec.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
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.
TrustedSec @trustedsec.com End-to-end Cybersecurity consulting team leading the industry, supporting organizations, and giving back. #HackThePlanet
https://trustedsec.com/
Graylog @graylog.bsky.social 🌍 Trusted Threat Detection & Incident Response solutions. Experience the difference with our unmatched capabilities. #SIEM #APISecurity #LogManagement #InfoSec
Security Onion @securityonion.bsky.social By defenders. For defenders.
Peel back the layers of your network and make your adversaries cry.
https://www.securityonion.com
ThinkstCanary @thinkstcanary.canary.tools Know. When it matters.
https://canary.tools
Red Siege @redsiege.com Penetration Testing, Purple Team, Red Team & Adversary Emulation.
Let our Offense, Prepare your Defense. https://redsiege.com
#weareoffensive
MITRE ATT&CK @attack.mitre.org MITRE ATT&CK® - A knowledge base for describing the behavior of adversaries. Replying/Following/Reposting ≠ endorsement.
GreyNoise @greynoise.io GreyNoise analyzes Internet background noise. Use GreyNoise to remove pointless security alerts, find compromised devices, or identify emerging threats.
Greg Lesnewich @greg-l.bsky.social oh great, now I’m on bluesky 
PortSwigger @portswigger.net We are a leading provider of software and learning on web security. We make Burp Suite and the Web Security Academy.
PortSwigger Research @portswiggerres.bsky.social Web security research from the team at PortSwigger.
James Kettle @jameskettle.com Director of Research at @portswigger.net
Also known as albinowax
Portfolio: https://jameskettle.com/
Tib3rius @tib3rius.bsky.social Web App (mostly) Hacker | Cybersecurity Educator | Content Creator | Ex-Brit | Links: http://linktr.ee/tib3rius (he/him) 🇺🇸 A mostly unserious person. @therealc3rul34n.bsky.social is bae 🥰
Gareth Heyes @garethheyes.co.uk Web security researcher at PortSwigger. Author of JavaScript for Hackers, Shazzer and Hackvertor.
https://garethheyes.co.uk/#latestBook
Soroush Dalili 🍏🍐 @irsdl.bsky.social Hacker (ethical), web appsec specialist, trainer, tools builder & apps breaker, X: @irsdl
https://secproject.com/
https://soroush.me/
https://burpsuite.ninja/
Orange Tsai @orange.tw This is 🍊
John U @jdu2600.bsky.social He/him. Security Research Engineer @ Prelude Research.
DFIR Diva @dfirdiva.bsky.social DFIR Analyst
Blog: https://dfirdiva.com/
Free & Affordable Training (DFIR, OSINT, Cybersecurity): https://training.dfirdiva.com/
Community Events: https://events.dfirdiva.com/
Curated List of Discounts: https://training.dfirdiva.com/current-discounts
Phillip Wylie @phillipwylie.bsky.social Offensive Security Professional | Phillip Wylie Show Podcast Host | The Pentester Blueprint coauthor | TribeOfHackers Red Team | https://linktr.ee/phillipwylie
LiveOverflow 🔴 @liveoverflow.bsky.social wannabe hacker... he/him
🌱 grow your hacking skills https://hextree.io
Bryson Bort 🦄🌴 @brysonbort.bsky.social 🦄
Chris Sanders 🔎 🧠 @chrissanders88.bsky.social Digital Forensic Analyst, Researcher, Author
Ed.D.
Founder Applied Network Defense and Rural Tech Fund
Former Mandiant, InGuardians, DoD
Author: Intrusion Detection Honeypots, Practical Packet Analysis, Applied NSM
Tyler @secshoggoth.bsky.social Incident Response, Forensics, Malware Analysis, Reverse Engineering, Cyber Security, RPG, Geek, Nerd, #DFIR
Opinions are my own and not those of my employer.
13Cubed @13cubed.bsky.social The official Bluesky account for 13Cubed. Follow @davisrichardg for my personal account.
Gerald Auger, PhD @geraldaugerphd.bsky.social Passionate About Cybersecurity | Sharing Passion to Help Individuals Discover, Engage, and Level Up A Cyber Career | Tweets Sharing Cyber Tips, Tools, Love💙 Go to SimplyCyber.io
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
Nicolas Grégoire @agarri.fr Web hacker 😈
Burp Suite Pro trainer 👨🏫
Maintainer of @mastering-burp.agarri.fr 🛠️
Taggart @taggart-tech.com @mttaggart@infosec.exchange. Displaced Philly boy. Executive Director of @ifin-intel.org. Threat hunter. Educator. Dad. General in the AI Resistance.
taggartinstitute.org
wtfbins.wtf
linktr.ee/mttaggart
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
Carlos Perez @thedarkoperator.bsky.social - Cybersecurity since 1998
- Information Security jack of all trades
- Hacker
https://www.darkoperator.com
Phill Moore @phillmoore.bsky.social