RansomLook @ransomlook.bsky.social Yet an other Ransomware gang tracker - Opensource project: https://github.com/RansomLook/RansomLook - Website: https://www.ransomlook.io
Cobalt Strike @cobaltstrike.bsky.social Official account for Cobalt Strike. Benchmark red teaming tool known for its flexibility and powerful user community. Follow for new releases and other updates.
Raphael Mudge @raphaelmudge.bsky.social Riding around in the breeze. USAF Veteran.
Northeast Collegiate Cyber Defense League (NECCDL) @neccdl.bsky.social Official Account for Northeast Collegiate Cyber Defense League #NECCDL & Competition #NECCDC 2025 hosted at #RogerWilliamsUniversity in Rhode Island (RI)
Fancybutt 👋 @bluescreenofwin.bsky.social Founder of Glass Security Consulting. Official DEF CON trainer. Principal Security Engineer and Cybersecurity Researcher.
a hacker who goes by wasabi @spicywasabi.bsky.social InfoSec, Embedded Hardware Research, CTF Winner, WRCCDC Organizaer, CPTC Organizer, and DefCon Speaker
Kevin Beaumont @doublepulsar.com cybersecurity weather man. scanning the horizons for cloudy cyber. Expert at nothing except computer rubbish. Anti-ransomware since 2015.
harmj0y @harmj0y.bsky.social Researcher @SpecterOps. Coding towards chaotic good while living on the decision boundary. #dontbanequality
Dirk-jan @dirkjanm.io Hacker at outsidersecurity.nl. Researches Entra ID, AD and occasionally Windows security. I write open source security tools and do blogs/talks to educate others on these topics. Blog: dirkjanm.io
chompie @chompie.rip hacker, poster, weird machine mechanic
https://chompie.rip
b33f @fuzzysec.bsky.social 意志 / Antiquarian @ IBM Adversary Services / Ex-TORE ⚔️🦅 / I rewrite pointers and read memory / AI Psychoanalyst / Teaching
at labs.calypso.pub
netbiosX @netbiosx.bsky.social Purple Team
Marcello @byt3bl33d3r.bsky.social Running on vibes. Cyber vibes.
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
Bad Sector Labs @badsectorlabs.com Cybersecurity news, techniques, exploits, and tools every week at http://blog.badsectorlabs.com 🐘@badsectorlabs@infosec.exchange
Chris Truncer @christruncer.bsky.social Deputy Chief Red Team @ CISA && BJJ && Open Source Dev
Flangvik @flangvik.bsky.social Team Lead Kovert AS, previously Red Team TrustedSec, terrible creator of InfoSec content 📹Opinions are my own and not the views of my employer.
XPN @xpnsec.com Hacker for hire at @specterops.bsky.social
Blog: https://blog.xpnsec.com
Lee Chagolla-Christensen @tifkin.bsky.social I like making computers misbehave. Does stuff at http://specterops.io.
Github: https://github.com/leechristensen
Mastodon: @tifkin_@infosec.exchange
Justin Elze @handle.invalid CTO @TrustedSec.com | Former Optiv/SecureWorks/Accuvant Labs/Redspin | Race cars
SadProcessor @sadprocessor.bsky.social Purple PowerShell & Hazy Windows.
Ghost Dog Whisperer.
BloodHound Operator.
Olaf Hartong @olafhartong.nl Security researcher with a camera | @FalconForce.nl | Microsoft MVP | Snow man role model | https://youtube.com/@olafhartong
Rob Fuller @mubix.com (he/him) Dad / Husband / Marine / Student / Teacher / @Hak5 / @NoVAHackers / @SiliconHBO / @NationalCCDC / @MARFORCYBER Auxiliary
rootsecdev @rootsecdev.bsky.social Security Consultant @TrustedSec | Military grade meme poster, researcher, cloud penetration tester, voider of warranties. My thoughts are my own.
Kyle Avery @kyleavery.bsky.social https://x.com/kyleavery_
Cas van Cooten @casvancooten.com @chvancooten on the bird app 🐦
---
Benevolently malicious offensive security enthusiast || OffSec Developer & Malware Linguist || NimPlant & NimPackt author || @ABNAMRO Red Team
Kuba Gretzky @mrgretzky.breakdev.org Offensive security tools developer. Malware developer, hobby music producer, bedroom DJ & ex-MMO game hacker. Creator of Evilginx / Bartender @ BREAKDEV RED.
Pwnallthethings @pwnallthethings.bsky.social Just thinking out loud.
James Forshaw @tiraniddo.dev Security researcher in Google Project Zero. Author of Attacking Network Protocols. Posts are my own etc. 
Duane Michael @subat0mik.bsky.social Adversary Simulation Operator, Researcher, Teacher, and Leader @SpecterOps
moloch @littlejoetables.bsky.social Offsec at OpenAI
Former Bishop Fox Red Team
CCob🏴 @ethicalchaos.bsky.social Ceri Coburn: Hacker | R̷u̷n̷n̷e̷r̷ DIYer| Vizsla Fanboy and a Little Welsh Bull apparently 🏴
Author of poorly coded tools: https://github.com/CCob
RastaMouse @rastamouse.me make pic +relax
Russel Van Tuyl @russelvantuyl.bsky.social Tech enthusiasts, offensive cybersecurity professional, AI student
silentwarble @silentwarble.bsky.social https://github.com/MythicAgents/Hannibal
@domchell.bsky.social @domchell.bsky.social 
Chris Thompson @retbandit.bsky.social Head of Red team @ IBM X-Force. Black Hat Review Board. Founder and co-organizer of Offensive AI Con. Co-Founder of RemoteThreat. inveni et usurpa
MITRE ATT&CK @attack.mitre.org MITRE ATT&CK® - A knowledge base for describing the behavior of adversaries. Replying/Following/Reposting ≠ endorsement.
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
@its-a-feature.bsky.social @its-a-feature.bsky.social @its_a_feature_ on Twitter | Mythic developer | @SpecterOps
Andy Robbins @andyrobbins.bsky.social aka wald0
David McGuire @davidmcguire.bsky.social CEO @specterops.bsky.social
SpecterOps @specterops.io Creators of BloodHound | Experts in Adversary Tradecraft | Leaders in Identity Attack Path Management
WRCCDC @handle.invalid Official account of the Western Regional Collegiate Cyber Defense Competition. We are an academic competition dedicated to helping teams. Maintained by @spicywasabi.bsky.social
@alex-keller.bsky.social @alex-keller.bsky.social 
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
Red Siege @redsiege.com Penetration Testing, Purple Team, Red Team & Adversary Emulation.
Let our Offense, Prepare your Defense. https://redsiege.com
#weareoffensive
JMFD @shittalk.ing Offense Security Consultant @RedSiege | Ice-cream Lover | Kickboxer | Hater of Indiana | Cold Weather Avoider | Pokémon Master | Taller on the Internet
Bluesky @bsky.app official Bluesky account (check username👆)
Bugs, feature requests, feedback: support@bsky.app