radareorg @radareorg.bsky.social The official radare2 account in the Blueskyverse
💥 leonjza @leonjza.bsky.social [ 'cto @sensepost.com', '@orangecyberdef', 'caffeine fueled', '(╯°□°)╯︵ ┻━┻', 'security guy', 'metalhead', 'i saw your password', 'KOOBo+KXleKAv+KXlSnjgaM=' ]
Scott Sutherland @nullbind.bsky.social 
Clément Notin @cnotin.bsky.social 
Jonas Vestberg @bugch3ck.bsky.social Privilege Escalation Engineer
Principal Consultant @ Reversec (formerly WithSecure Consulting)
Rich Warren @buffaloverflow.rw.md Red Team & Offensive Security Research @amberwolfsec.bsky.social
Rohan Vazarkar @cptjesus.bsky.social Former Pentester
Engineer at SpecterOps
Author of BloodHound
@domchell.bsky.social @domchell.bsky.social 
Brett Hawkins @h4wkst3r.bsky.social Adversary Services @xforce
https://h4wkst3r.github.io
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
bohops @bohops.bsky.social Mostly on X
@kudaes.bsky.social @kudaes.bsky.social nt authority\kurosh
Calzone @calz0n3.bsky.social sorry, computer
https://please.donothack.us/
https://github.com/ofasgard
Jason @jasonjfrank.bsky.social Father / Husband / COO at SpecterOps
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.
5pider @5pider.net researcher and developer
@pard0p.bsky.social @pard0p.bsky.social 
Raphael Mudge @raphaelmudge.bsky.social Riding around in the breeze. USAF Veteran.
OpenSearch Project @opensearch.org OpenSearch is the trusted open source platform for AI-powered search, observability, and analytics with built-in security, high performance and a flexible architecture for modern applications.
Learn more at https://opensearch.org/
malmoeb.bsky.social @malmoeb.bsky.social Head of Investigations at InfoGuard AG - dfir.ch
Will Dormann @wdormann.infosec.exchange.ap.brid.gy I play with vulnerabilities and exploits.
I used to be https://twitter.com/wdormann but Twitter has become unbearable, so here I am.
🌉 bridged from ⁂ https://infosec.exchange/@wdormann, follow @ap.brid.gy to interact
NPR @npr.org This is NPR 🎙️
@mgeeky.bsky.social @mgeeky.bsky.social 
Ron Bowes @iagox86.bsky.social Staff Product Detection Engineer @ Censys. https://skullsecurity.org
Mostly post about professional stuff, maybe some improv stuff and maybe even magic some day. Seattle-based (originally Canadian), queer, cybersecurity nerd.
(He/him)
Marisa Kabas @marisakabas.bsky.social independent journalist, thehandbasket.co
email: marisa@thehandbasket.co
signal: marisakabas.04
Jon 'jcase' Sawyer @jcase.bsky.social Hacker, Father, Taco Maker, BBQ Fan
Mortimus @mortimus.com he/him - 39
Pentester | Red Team | Cybersecurity | Go Programmer | Cat dad
GitHub: https://github.com/mortimus
Mastadon: Mortimus@infosec.exchange
LastFM: Mortimus54
Steam: Mortimus
Twitch: mortimus54
Web Security Academy @websecacademy.bsky.social Free web security training from PortSwigger.
Mitch @g0dmode.bsky.social Hacker, Red Teamer @ Cyndicate Labs
Binary Defense @binarydefense.com We bring the attacker’s mindset to every move, building defenses specifically designed to combat threats. Founded and led by practitioners who live and breathe security, we know what matters in the trenches - because we’re in them with you.
James Morris @jamesmorris.bsky.social Linux Kernel security developer, working for Microsoft. Also W7TXT. Views are my own.
See also: https://social.kernel.org/jmorris
Topics: #Linux #kernel #security, #amateurradio, #RF, #hamradio, #electronics, #science, #radioastronomy, #physics
Microsoft Security Response Center @msrc.microsoft.com We are the Microsoft Security Response Center. To report security vulnerabilities or abuse in Microsoft products, visit http://microsoft.com/en-us/msrc.
Amethyst Basilisk @amethyst.systems Furry hacker of the dragon and Windows variety. Blog: https://amethyst.systems/blog Puzzles: https://crackmes.one/user/frank2
Datadog Security Labs @securitylabs.datadoghq.com Read our Security Labs blog: https://securitylabs.datadoghq.com
Subscribe to our monthly newsletter: https://securitylabs.datadoghq.com/newsletters/
cleptho @cleptho.bsky.social Offensive Security | Вічна пам'ять / Вечная память
https://twitter.com/cleptho | https://infosec.exchange/@cleptho
Kyiv Insider @kyivinsider.bsky.social 𝙐𝙠𝙧𝙖𝙞𝙣𝙚 𝙉𝙚𝙬𝙨, 𝙒𝙖𝙧 & 𝙀𝙘𝙤𝙣𝙤𝙢𝙮 𝙍𝙚𝙥𝙤𝙧𝙩𝙨
Unfiltered daily updates from Ukraine, Russia, and beyond—covering politics, society, business, economics, and war.
𝘞𝘦𝘣𝘴𝘪𝘵𝘦: https://www.kyivinsider.com
𝘈𝘭𝘭 𝘓𝘪𝘯𝘬𝘴: https://lnk.bio/kyivinsider
Centre for Information Resilience @cen4infores.bsky.social Non-profit that exposes human rights & war crimes, counters disinformation, & combats online harms targeting women & minorities.
www.info-res.org
Alexander Leslie @aejleslie.bsky.social Cybercrime & Hacktivism @ Recorded Future | Insikt Group | Curated Intelligence | @aejleslie everywhere else.
Emeric Nasi @emericnasi.bsky.social CyberSecurity researcher and founder of BallisKit. I have a passion for all infosec subjects especially redteam and writing offensive tools!
moloch @littlejoetables.bsky.social Offsec at OpenAI
Former Bishop Fox Red Team
Paolo Stagno @voidsec.bsky.social Director of Research at Crowdfense
Windows Vulnerability Researcher and Exploit Developer, ex-Exodus Intelligence
voidsec.com
Joe Bialek @josephbialek.bsky.social Windows security person
d0nut @d0nut.dev 🦀 Rust + Security 🔑
BallisKit @balliskit.bsky.social BallisKit provides tooling and services to professional Pentesters & Red Teams.
We develop MacroPack Pro and ShellcodePack.
www.balliskit.com
Marc Smeets @marcoverip.bsky.social Does a thing or two with red teaming @ Outflank | part time race and drift car instructor
RastaMouse @rastamouse.me make pic +relax
John Adams @jfiger777.bsky.social RT Operator
Denver, CO
Matt Ehrnschwender @cybershenanigans.space Security person who likes writing code
Sean Hopkins @seahop.bsky.social Red teamer, black badge winner, and music nerd
Orange Tsai @orange.tw This is 🍊
Max Andreacchi @atomicchonk.bsky.social Head of AI Research @ zero-lab.ai
Corgi dad 🐶
Cat servant 🐱
Tattoo collector 🖼️
Runner 🏃🏻
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
@outflank.bsky.social @outflank.bsky.social 
Dima @dima.ninja https://x.com/DaWouw
Andrew Thompson @imposecost.bsky.social Head of Research and Discovery @Google Threat Intelligence. Leading multidisciplinary teams to defeat adversaries. Posts are attributable to me—not my employer.
Alex Plaskett @alexplaskett.bsky.social Security Researcher | Pwn2Own 2018, 2021, 2022, 2024 | Posts about 0day, OS, mobile and embedded security.
TrustedSec @trustedsec.com End-to-end Cybersecurity consulting team leading the industry, supporting organizations, and giving back. #HackThePlanet
https://trustedsec.com/
Red Siege @redsiege.com Penetration Testing, Purple Team, Red Team & Adversary Emulation.
Let our Offense, Prepare your Defense. https://redsiege.com
#weareoffensive
David Kennedy @cyb3rc3lt.bsky.social Father, husband, hacker, Irish
redteaming.org
Tyler Booth @dru1d.bsky.social Компьютерный хулиган. Adversary Simulation @ CDW
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
Udayveer Singh @handle.invalid Offensive Security | Red Teamer | Learning MalDev | OSEP | CRTL | OSWP | CRTO | CRTE | CRTP | CESP-ADCS | eJPT
http://m4lici0u5.com
Metasploit @metasploit-r7.bsky.social Official account of the Metasploit Project, part of the Rapid7 family.
Mastodon: @metasploit@infosec.exchange
Slack: http://metasploit.com/slack
HaxRob @haxrob.net Telco / mobile and IoT security.
Surfing the information super highway one keystroke at a time.
https://haxrob.net
Andy Robbins @andyrobbins.bsky.social aka wald0
Raphaela Mettig @rmettig.com Researcher and PhD student. Personal account.
rmettig.com/about
Volatility @volatilityfoundation.org Official account of the Volatility Memory Analysis Project and Windows Malware and Memory Forensics Training. http://volatilityfoundation.org
Golden George Richard III @nolaforensix.bsky.social #Professor, #hacker, systems programmer. Director of the @LSU #Cyber Center and ACL. @LSU_CCT @lsucyber #pythonsucks #rustsucks #C #dfir 🇺🇸 #cybersecurity #cooking
Corben Leo @hacking.bsky.social I hack stuff (legally). | co-founder boring.co
Twitter: https://twitter.com/hacker_
Ryan Newington @ryannewington.com Microsoft MVP (Security), Identity Architect, .NET Developer and Windows Platform Specialist. Founder of @lithnet_io.
Mastodon: @ryannewington@infosec.exchange
Twitter: @RyanLNewington
Lukas Beran @lukasberan.com Senior Security Researcher (DART) at Microsoft. Opinions are my own. #MSIncidentResponse #DART #Microsoft365 #EntraID #DefenderXDR #Sentinel
Rémi GASCOU (Podalirius) @podalirius.bsky.social Security Researcher & Speaker | Microsoft Security MVP | Developer of security tools | 🎬 http://youtube.com/c/Podalirius
@setcbprivilege.bsky.social @setcbprivilege.bsky.social 
Dr Nestori Syynimaa @drazuread.com Principal Identity Security Researcher @Microsoft. Ex-Secureworks (PhD, MSc, MEng, CITP, CCSK).
And yes, opinions are my own ;)
Alex Neff @al3x-n3ff.bsky.social Pentester | Maintainer of NetExec
Th3S3cr3tAg3nt @th3s3cr3tag3nt.bsky.social Opinions are my own, electrical shock hazard, handle with care, may contain nuts, disconnect power supply before cleaning, do not handle when hot, etc. etc.
Asger.jpg @hackerkartellet.bsky.social Servus!
🇩🇰 In 🇩🇪
Senior Incident Responder trying to find the needle in the haystack at InfoGuard AG
https://twitter.com/hackerkartellet
https://infosec.exchange/@hackerkartellet
Aryeh Goretsky @goretsky.bsky.social Security researcher & antivirus pioneer | alum of ESET, McAfee | Microsoft MVP awardee | Mod @Lenovo, @Neowin.Net, Scots Newsletter forums | Intel Insider Council member | Repost ≠ endorse.
Raul | @theg3ntl3m4n @theg3ntl3man.bsky.social BeyondTrust Researcher @btphantomlabs
OrangeCon @orangecon.nl The Dutch Cybersecurity Conference! Experience the Hackers Community in Amsterdam, on June 4th 2026!
The Bureau of Investigative Journalism @tbij.bsky.social The UK’s largest not-for-profit newsroom. Exposing injustice and sparking change 💪
Golem @golemde.bsky.social Wir schreiben nicht nur über IT, Technik und Wissenschaft, wir begeistern uns auch für sie. Wir fassen Technik gern an, probieren sie aus, spielen mit ihr und erklären sie mit journalistischem Anspruch.
Jeff Geerling @jeffgeerling.com Father, author, developer, maker. Sometimes called "an inflammatory enigma". #stl #ansible #k8s #raspberrypi #mac #crohns www.jeffgeerling.com
mpgn @mpgn.bsky.social Flibustier du net ̿ ̿̿'̿'\̵͇̿̿\=(•̪●)=/̵͇̿̿/'̿̿ ̿ ̿ ̿
Podcast Hack'n Speak http://anchor.fm/hacknspeak
Github https://github.com/mpgn- I @ippsec.bsky.social @ippsec.bsky.social
maeru @m8r1us.bsky.social Offensive & Defensive Security Consultant | @scipag | #RedTeam | @m8r1us on most other platforms
Denny Fischer @df-sec.bsky.social IT-Security Consultant | Problem Solver | Father | Twitter: @df_sec (https://twitter.com/df_sec) | Mastodon: @df_sec@infosec.exchange (https://infosec.exchange/@df_sec)
Seraph @seraphimprotocol.bsky.social ~Consume Enhance Replicate~
— SIVA Directive
I do offensive security stuff
Ring3API 🇺🇦 @ntlmrelay.bsky.social https://x.com/ntlmrelay
#ThreatHunting / #BlueTeam engineer. I'm just looking for traces in the logs. Reading and retweeting cool stuff. MITRE ATT&CK Defender:CTI,SOCAsses,AE,PTM,THDE.
Parrot CTFs @parrotctfs.bsky.social Capture the flags and educational #hacking and #soc material - Join #parrotctfs today and advance your #cybersecurity skills on https://parrot-ctfs.com
Daniel @pentest.party We are currently clean on OpSec.
Ibrahim Ethem Bagci @iebagci.bsky.social I work at VMware. I chase bad people on cyber-network. I go by Ethem. I listen to JohnMayer. I would do anything for a yummy pcap.
https://linktr.ee/iebagci
syro @0xsyr0.bsky.social Cybersecurity Specialist. Offensive Operator. Adversary Hunter. Crafting creative solutions for not-yet-existing problems. Hobby flag collector.
purplestormctf @purplestormctf.bsky.social Official Bluesky account of the purplestorm community.
Katie Paxton-Fear @insider.phd Dr, apparently. Security Adovcate @semgrep & Hacker. #BugBounty hunter & #infosec YouTuber. APIs & Interlinked OffSec, PhD in AI+Sec @hacknotcrime. she/her
caveeroo @handle.invalid https://➀.st/ | CTF player
• MVO Black Badge @TraceLabs
• AppSec 💼
• All things cyber
Bojan Zdrnja @bojanz.bsky.social IT Security guy, penetration testing is my thing. One of the SANS Internet Storm Center handlers at https://isc.sans.org.
SANS SEC542 instructor and course co-author, SEC565 instructor.
I lead the penetration testing team at INFIGO, https://www.infigo.is
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
kingthorin_rm @kingthorin.bsky.social IT Sec guy, zaproxy co-lead, WSTG co-lead, VWAD co-lead, OWASP Ottawa volunteer, Hac≺3r, supporter of oxford commas, #INTJ. (Opinions == mine) 🍁