Lenny Zeltser @lennyzeltser.com Builder of security products and programs. Teacher of those who run them.
https://zeltser.com
Mike Cohen @greatcoffee.org Mike is a digital paleontologist working on velociraptor
@abuse-ch.bsky.social @abuse-ch.bsky.social Fighting malware and botnets
Hyde @hyde-labz.bsky.social Sometimes, I build stuff. Sometimes, I break stuff.
Blue Team Con @blueteamcon.com Blue Team Con is an annual cybersecurity conference built for defenders, inclusive of anyone interested in safeguarding organizations.
https://blueteamcon.com
Stay Tuned on Blue Team Con 2027!
Scoubi @scoubi.bsky.social Infosec, Detection Engineering, Threat Research, Threat Hunting, OffSec, Conference Organizer.
2600 - The Hacker Quarterly @2600.com Since 1984, 2600 Magazine has published the hacker perspective and documented the development of the hacking community. In addition to the magazine, we have a weekly radio show ("Off The Hook") and a biennial conference (Hackers On Planet Earth - HOPE).
Visual Studio Code @vscode.dev The open source AI code editor
Joe Roosen @jroosen.bsky.social SpyCloud - Director of Security Research, Cryptolaemus Coordinator, Emotet(Ivan)/QBot(Boris) Destroyer, gold prospector & former sysadmin.
Tommy Madjar @ffforward.bsky.social Threat Researcher @ Proofpoint. Opinions are my own etc
tactical_legacy_kirbo @da667cant.hax.lol Senior Security Researcher, Proofpoint Emerging Threats. I stare at pcaps all day, and use my pattern-seeking scattered hunter-gatherer brain, to write IDS signatures. I'm also a huge fuckin nerd. Obligatory My words are not fit for consumption warning.
ExecuteMalware @executemalware.bsky.social Malware analyst
Ole Villadsen @olevilladsen.bsky.social Threat researcher @ Proofpoint. Formerly IBM X-Force, CMU, US Government, US Navy. Views are my own.
Germán Fernández @1zrr4h.bsky.social 🏴☠️ OFFENSIVE-INTEL 🏴☠️ Cyber Threat Intelligence by Hackers | Security Researcher en CronUp.com | CuratedIntel Member | 🥷🧠🇨🇱
jack @malwareforme.bsky.social Security researcher
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
Jason Killam @suspiciouslink.bsky.social Detection Engineer @ Red Canary
https://github.com/killamjr
Ian Kenefick @iankenefick.bsky.social Cybercrime Fighter 🛡Threat Intelligence 🕵🏻♂️ & Malware Analysis 🦠 Fortunate to work @ Trend Micro. Happy to help whenever possible.
Andrew Northern @exraritas.bsky.social 🔮 Senior Threat Researcher at @proofpoint 🔮 | Kindness and Compassion | Not a reflection of the opinions or policies of my employer | Andrew Northern
Tony Lambert @forensicitguy.bsky.social Recovering sysadmin that now chases adversaries instead of uptime. Sr Malware Analyst @redcanary
Squiblydoo @squiblydoo.bsky.social Malware Analyst; creator of debloat, certReport, CertCentral.org
Debloat Discord: http://discord.gg/dvGXKaY5qr
squiblydoo.blog
Researcher for Gootloader malware @gootloader.zip https://gootloader.wordpress.com/
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. 🏳️🌈
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
Drew @bugfire.io malware detection and analysis, hunting and gathering, threat research
Views are my own.
CyberLarry @cyberlarry.bsky.social Larry and I are re-training in the field of cybersecurity. We'll be posting about things we've learned during our venture... Maybe others will learn something from our findings, maybe others will teach us some bits.
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
DiggeR @handle.invalid 3D Printing Fan, All things Info/Cyber Security, Self Hosting, Video Gamer, Geek in General.
SANS.edu Internet Storm Center @sansisc.bsky.social http://isc.sans.edu - Global Network Security Information Sharing Community - Daily blogs and cyber security news podcast.
DEF CON @defcon.bsky.social The world’s premier hacker conference. Serving the global hacker community since 1993.
Defcon.org
Forum.defcon.org
Defcon.social
Joe Gray aka JOSINT @c3pjoe.bsky.social Threat Intel; Author: @nostarch; 5x Black Badge; Views: my own; https://nostarch.com/practical-social-engineering
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
Eric Geller @ericjgeller.com Senior reporter at @CybersecurityDive.bsky.social covering all things digital security. I also co-host @hothtakes.bsky.social. | Send me tips: https://ericjgeller.com/contact.html
GrapheneOS @grapheneos.org Open source privacy and security focused mobile OS with Android app compatibility.
https://grapheneos.org/
Ransomware.live @ransomware.live Ransomware.live tracks & monitors ransomware groups' victims and their activity. It was created by @Julien.io, a security researcher. The website provides information on Ransomware groups, victims, negotiations, payment demands and much more.
𝙽𝙴𝚃𝚁𝙴𝚂𝙴𝙲 @netresec.com Experts in Network Forensics and Network Security Monitoring. Creators of #NetworkMiner, #PolarProxy, #FlowCarp, #CapLoader and RawCap.
Website: https://www.netresec.com/
Mastodon: @netresec@infosec.exchange
BleepingComputer @bleepingcomputer.com Breaking cybersecurity and technology news, guides, and tutorials that help you get the most from your computer. DMs are open, so send us those tips!
Malware Unicorn @malwareunicorn.bsky.social @Straiker. Ex-Microsoft. Ex-Meta RedTeam, Ex-Endgame, Ex Fireeye. malwareunicorn.org
crudd @crudd.re Reverse Engineering and Malware Analysis
9to5Linux.com @9to5linux.com Covering latest Linux and Open Source news and releases at https://9to5linux.com
Help keep 9to5Linux alive! Buy us a ☕️ https://ko-fi.com/9to5linux
Herbie Zimmerman @herbiezimmerman.bsky.social Previous SOC analyst and still wanna-be malware researcher. Manager @HuntressLabs. Striving to learn. Stay awesome folks!
www.herbiez.com | x.com/HerbieZimmerman
Brad @malware-traffic-analysis.net Sharing information on malicious network traffic and malware samples at https://www.malware-traffic-analysis.net/
Jake Hildreth @dotdot.horse - [REDACTED]’s husband
- Bear's dad
- Recovering sysadmin
- Microsoft MVP (PowerShell/Identity)
- Forever student
- Open-Source Toolmaker
- Whisk(e)y fan
- College football fan (Go Blue!)
- Stuff: https://dotdot.horse
Tom Lawrence @lawrencesystems.com ⚠Tech Enthusiast, Open Source Advocate, Content Creator, DM's are not for tech support but my forums are. ⚠
https://lawrencesystems.com/
DilDog 🅅 @dildog.l0pht.com Tech Dysangelist
cDc/hack.xxx/Veilid
Support Veilid! Badge: 🅅 www.veilid.com
Merch at: @hack.xxx
he/him/"hey buddy"
Jeffrey Woolsey @wsvguy.bsky.social Principal Program Manager, Microsoft. Azure Stack HCI/Windows Server/Hybrid Cloud. He/Him. Posts are mine and don't represent my company. 🇺🇸 🇵🇦
Ryan Platten @nonmalicious.com Professional Googler of all the things / Husband & Dad / Do stuff @binarydefense.com / TTRPG / Vidya Games / Collector of Hobbies / Skeets are mine.
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.
Graham Helton (too much for zblock) @grahamhelton.bsky.social Hi
Uncle Joe @sydseter.com Co-leader OWASP Cornucopia. If you like what we do for open source, visit our code repository https://github.com/OWASP/cornucopia and give us a star ⭐
🌈 «Difference is of the essence of humanity» 🦄 – John Hume
#appsec #owasp #cornucopia #threatmodeling
Antisyphon Training - Powered by BHIS @antisyphontraining.bsky.social Affordable and accessible cybersecurity training that doesn't suck.
Featuring cybersecurity practitioners, former SANS instructors, and industry recognized leaders from all over the world.
https://www.antisyphontraining.com
Jessie @childofalliance.bsky.social I can hyper-focus for hours on the topic of InfoSec & Cybersecurity. Homeschooling parent. Foodie with allergies.
✡️
@yoda66.bsky.social @yoda66.bsky.social 
JM @mrjm.bsky.social Dad, husband & Security dinosaur: lots of SecEng ⚙️, Redteam ☠️ DFIR ⛑️. Passion for National Security 🇺🇸🇨🇦🇫🇷, Coding 💻 & Space 🚀
https://linkedin.com/in/jmamblat
syro @0xsyr0.bsky.social Cybersecurity Specialist. Offensive Operator. Adversary Hunter. Crafting creative solutions for not-yet-existing problems. Hobby flag collector.
Takaharu Ogasa @takaharuogasa.bsky.social MTBer / Security Initiative CEO / OWASP Sendai / Threat Modeling Connect Tokyo Chapter / GCC国際連携WG委員 / GXPN, GCFA, GWAPT, GPEN, GCIH / SBTGRVL 2025 / 現地現物
TheKilt @thekilt.bsky.social Infosec, cosmic horror, homebrew and TTRPGS. He/him
bat 🦇🌻 @mzbat.bsky.social Security Consultant & Founder, Sonar Security | Red Siege, VMware Tanzu, NASA GSFC, Apple, 18F | art, lego, board games, comics, cute animals |🧛🏻♀️⛵️
Jconn @jconncreative.bsky.social Creative Director - @redsiege.com - https://redsiege.com
Brand Creative • Filmmaker • DM/GM • Photographer
https://jconncreative.com
JMFD @shittalk.ing Offense Security Consultant @RedSiege | Ice-cream Lover | Kickboxer | Hater of Indiana | Cold Weather Avoider | Pokémon Master | Taller on the Internet
Soatok @soatok.bsky.social 30-something gay furry with an interest in cryptography and software security.
Mastodon: https://furry.engineer/@soatok
Blog: https://soatok.blog
🎨 https://mrjimmydafloof.bsky.social
Barry Murrell @barry.wlkthru.io Founder of wlkthru.io
@wlkthru.io we help Businesses manage their Cyber Security risks.
🌐Automated Pentests
👾Gamified Learning
🤖Sims - Phishing Vishing Smishing
🏆Company Leaderboards
🧑🤝🧑Teams
Plus more...
🔒Keeping your Team & Customers safe
Nearshore Cyber @nearshorecyber.bsky.social Interconnector across the Americas and around the world. Servant of the global cybersecurity community. https://www.nearshorecyber.community/c/say-hello/
corgi @c0rg1.bsky.social I hack things
EricaZelic @ericazelic.bsky.social Security Engineer / IAM Security. Defending against people like me. 
HackTheBox @hackthebox.bsky.social 
MITRE ATT&CK @attack.mitre.org MITRE ATT&CK® - A knowledge base for describing the behavior of adversaries. Replying/Following/Reposting ≠ endorsement.
MetropleX @metroplex.bot Privacy is a Human Responsibility
Oversharing is not Caring
Priv/Acc
Human
GrapheneOS Advocate
@grapheneos.org
Channels:
Discord: https://grapheneos.org/discord
Matrix: https://matrix.to/#/#community:grapheneos.org
Personal | Likes/Repost ≠ Endorsement
BleepingComputer [Unofficial] @bleepingcomputer.com.web.brid.gy BleepingComputer is a premier destination for cybersecurity news for over 20 years, delivering breaking stories on the latest hacks, malware threats, and […]
🌉 bridged from 🌐 https://bleepingcomputer.com/: https://fed.brid.gy/web/bleepingcomputer.com
the grugq @thegrugq.bsky.social 
EvilGinx 😈 @sapiosiren.bsky.social Gin, Goddex of OSINT, former restauranteur, tech-adjacent, resumé pro, keeper of secrets, poet.
she/they/he.
currently in southern minnesota.
kind of a big deal in iowa
r00k @r00k.net responsible tech, science nerd, comics spouse. He/Him
Posts are short form opinions and should be post scripted with "in some relevant situations"
Kostas @kostastsale.bsky.social Running ➡ http://defendpoint.ca | http://edr-telemetry.com | https://edr-comparison.com/ | http://detectionstream.com | 🇬🇷🇨🇦
Proxmox @proxmox.bsky.social Proxmox Server Solutions develops powerful open-source software to simplify your server management.
Web: https://www.proxmox.com | Forum: https://forum.proxmox.com | Code: https://git.proxmox.com
0xdf @0xdf.bsky.social Principal Training Architect @ HackTheBox
CTF Addict
"Potentially a legit researcher"
he/him
Website: https://0xdf.gitlab.io/
YouTube: https://www.youtube.com/c/0xdf0xdf
Twitter: 0xdf_
Discord: 0xdf
Mastadon: 0xdf@infosec.exchange
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
Markus @mascho.bsky.social 💻 Blue Team Training @ Blue Cape Security
Phill Moore @phillmoore.bsky.social 
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.
Jeff McJunkin @jeffmcjunkin.bsky.social IT generalist with an infosec slant. Testing out the new hotness over here.
Mike Saunders 🇺🇦 @hardwaterhacker.bsky.social Photographer. Lover of the outdoors. Musician.
Red Siege Principal Consultant so I can pay for my hobbies.
#PhotographersUnited <- Check out this great community!
IG: https://www.instagram.com/hardwaterhacker/
Tanya Janca | SheHacksPurple @shehackspurple.bsky.social Secure Code Trainer - Best-selling author of Alice and Bob Learn Secure Coding & Alice and Bob Learn Application Security. #AppSec she/her
https://shehackspurple.ca 🌻
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
Jake Williams @malwarejake.bsky.social Breaker of software, responder of incidents, IANS Faculty, VP R&D Hunter Strategy.
rootsecdev @rootsecdev.bsky.social Security Consultant @TrustedSec | Military grade meme poster, researcher, cloud penetration tester, voider of warranties. My thoughts are my own.
Jim Sykora @jimsycurity.adminsdholder.com I enjoy security, technology, learning, books, & the great outdoors.
Trying to be human & kind.
Opinions = mine. He/Him/Hän
https://github.com/JimSycurity
https://www.adminsdholder.com
Bill Demirkapi @billdemirkapi.bsky.social solving security at scale. reserved for future use.
HD Moore @hdm.io runZero & Metasploit
Tim Medin @timmedin.bsky.social Kerberoast Guy • RedSiege CEO • Hater of Pants • Former SANS 560 Author, Senior Instructor • Packers owner • Work Req: http://redsiege.com/contact
Ian Amit @iiamit.bsky.social CEO & Co-Founder. Entrepreneur, hacker, executive, and general trouble maker/seeker/solver.
Board member @BSidesLV. Keynote speaker. Views are my own.
Kevin Johnson @secureideas.bsky.social I am a nerd that started a company almost 15 years ago. Secure Ideas is a security consulting firm focused on helping clients have the best penetration testing experience. I am also an IANS faculty member and currently an OWASP global board member. 
Secure all the things @allthingssec.bsky.social Interests:
🐶 Doggos
👩🏾💻 Cybersecurity & sysadmin stuff
🍕 Delicious food
🌱 Health and sleep
🛩️ Traveling
🪴 Houseplants
🏋 Fitness
💰 Finance
LiveOverflow 🔴 @liveoverflow.bsky.social wannabe hacker... he/him
🌱 grow your hacking skills https://hextree.io
Mark Russinovich @markrussinovich.bsky.social CTO of Microsoft Azure, author of novels Rogue Code, Zero Day and Trojan Horse, Windows Internals, Sysinternals tools. Opinions are my own.
Justin Elze @handle.invalid CTO @TrustedSec.com | Former Optiv/SecureWorks/Accuvant Labs/Redspin | Race cars
Andreas Hartig @hartiga.de Microsoft MVP Windows Server | Azure Hybrid & Migration, RCDA Trainer, CGI Luminary, preferes to keep things simple.