Todd

🔳 founder of @greynoise.io. computers, networks, technology enthusiast. big goober.

I’m a panda, I am addicted to malware.

wannabe hacker... he/him 🌱 grow your hacking skills https://hextree.io

Just thinking out loud.

Employee of the Month @andnxor. Hacker and parody account, not representative of the actual Hyr0n from AND!XOR

We make stuff. We drink beer. In no particular order. #mattdamon

Pwnie Award Winning magical musical AI cat girls with a computer virus collection

Digital Alice chasing the 🐇 down the cyber space rabbit hole.

infosec! personal account. views are that of rustic australian countryside. nothing is an endorsement. everything is awkward.

Founder of DEF CON & Black Hat. Maintainer of infocon.org. Member of the UK Gov Cybersecurity Advisory Board & The Council on Foreign Relations. Working to […] 🌉 bridged from ⁂ https://defcon.social/@thedarktangent, follow @ap.brid.gy to interact

This is 🍊

Computer booper and food enthusiast. He/him.

Web security research from the team at PortSwigger.

Security researcher, pentester Maintainer of NetExec, DonPAPI, dploot, certsync, and all the stuff on https://github.com/zblurx

Pentester | Ex MD (Intensivist & Healthcare Simulation) | (Black) Arch Enthusiast | Infosec - AD - Windows Internals/Maldev enthusiast | Geopolitics, Defense, Disinformation, Hybrid warfare | DCS, Gaming, Metal (OU=FR,DC=WORLD,DC=UNIVERSE)

knuck if you buck https://n0.lol

VXer, Computer Goth, Malware Musician

Breaker of software, responder of incidents, IANS Faculty, VP R&D Hunter Strategy.

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

🦄

Incident Response, Forensics, Malware Analysis, Reverse Engineering, Cyber Security, RPG, Geek, Nerd, #DFIR Opinions are my own and not those of my employer.

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. 🏳️‍🌈

Offense Security Consultant @RedSiege | Ice-cream Lover | Kickboxer | Hater of Indiana | Cold Weather Avoider | Pokémon Master | Taller on the Internet

Co-founder, security researcher. Building an attack surface management platform, @assetnote.io

@stonking.com team

Pentester / Serial Entrepreneur / Child Safety Warrior — http://tryhackme.com/p/0day

Arizona's hacker con. CactusCon 14: Feb 6-7, 2026 in beautiful Mesa, AZ. https://cactuscon.com + LinkedIn, X, Mastodon

Adversary Simulation Operator, Researcher, Teacher, and Leader @SpecterOps

New Yorker, Cyber and more…

Pentester | Maintainer of NetExec

Passionate about learning and researching cybersecurity stuff. Opinions are my own. #RedTeam #InfoSec Blog at blog.fndsec.net

Adversary Simulation | Wannabe https://twitter.com/tw1sm https://blog.tw1sm.io

#Microsoft MVP | #CloudSecurity Architect ☁️ | #Entra #AzureAD 🔑 + #AzureSecurity 🛡️ | #CommunityRocks | #Schaengel

Security Consultant @TrustedSec | Military grade meme poster, researcher, cloud penetration tester, voider of warranties. My thoughts are my own.

Founder & CEO LutaSecurity @payequitynow MIT&Harvard visiting scholar, @MasonNatSec fellow, 1/2 Chamoru, 1/2 Greek all-American hacker

hacker, poster, weird machine mechanic https://chompie.rip

Running on vibes. Cyber vibes.

X-Force, Shenanigans, Hashcat, Church of WiFi, Black Badges, MUDs, Dad Jokes, some Infosec. Twitter: @evil_mog

意志 / Antiquarian @ IBM Adversary Services / Ex-TORE ⚔️🦅 / I rewrite pointers and read memory / AI Psychoanalyst / Teaching at labs.calypso.pub

I like juggling, Bash, chess puzzles, and good exploits. Worked on Metasploit for some years. 💙💜🩷 @egypt@mastodon.social

PowerShell inventor, Reader, Science & Geopolitics geek, Philosopher-Errant, Retired

Kerberoast Guy • RedSiege CEO • Hater of Pants • Former SANS 560 Author, Senior Instructor • Packers owner • Work Req: http://redsiege.com/contact

IT generalist with an infosec slant. Testing out the new hotness over here.

@Straiker. Ex-Microsoft. Ex-Meta RedTeam, Ex-Endgame, Ex Fireeye. malwareunicorn.org

Offensive security tools developer. Malware developer, hobby music producer, bedroom DJ & ex-MMO game hacker. Creator of Evilginx / Bartender @ BREAKDEV RED.

Noted idiot. Principal something or other. Runs the Windows Authentication team at Microsoft. It's my fault your password doesn't work. Mostly dog pictures. Might actually be two dogs in a trench coat. 🇺🇸 / 🇨🇦 https://syfuhs.net/

computer security person. former helpdesk

Past: Host of "Tribe of Hackers"; Assoc. Producer "Darknet Diaries." Current: Cybersecurity researcher and executive. Also, father of the fastest climber who has ever lived. Seriously. Warning: I talk about my son ALOT “Ut scandis, alios subleva.”

Hacker, coder, climber, runner, triathlete. Always learning. Co-flounder of SteelCon

thedarktangent@defcon.social

‘Uh-Lee-th’ | Bishop Fox 🦊 Red Team | DEF CON Goon & Black Badge Hall of Fame | DEF CON Social Engineering CTF Winner 2019 | Physical Pentester | IVR Pentester | IR Tabletop King 👑 Safa 🇿🇦 in NorCal 🇺🇸 - Fish 🐠 Nerd - Jeep Girl

Defcon goon, Adversarial Architect. Photography, Driving, Blog and general purveyor of chaos. Metal/DnB Fan

Red Team | Co-Lead for @redteamvillage_ | OSCP

Burp Suite is the leading software for web security testing.

Currently: Hacker / Farmer / Builder / Breaker Prev: Code4rena, Okta, Auth0, GitHub, npm, ^lift, &yet, Symantec. Pioneered BlindXSS & DVCS Pillaging npm audit is my fault. More info: https://evilpacket.net

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

Security & AI stuff @ Microsoft | Co-host of @azsecpod.bsky.social | Dogs, food and cyber security posts | Opinions mine, not my employer's | 🇬🇧 living in 🇦🇺 | Sarahyoung.io

Christian. Husband. Father. Runner. Speaker. Author. Capitalist. Cyber and AI at Microsoft. Dude/Bro.

Microsoft MVP for Identity and Graph API Blog at https://ourcloudnetwork.com/

Researcher @SpecterOps. Coding towards chaotic good while living on the decision boundary. #dontbanequality

VP of Research - @netspi Co-author of “Penetration Testing Azure for Ethical Hackers” (http://amzn.to/3GOvW3A). @kfosaaen on most other platforms

Hacker for hire at @specterops.bsky.social Blog: https://blog.xpnsec.com

@its_a_feature_ on Twitter | Mythic developer | @SpecterOps

Principal Identity Security Researcher @Microsoft. Ex-Secureworks (PhD, MSc, MEng, CITP, CCSK). And yes, opinions are my own ;)

Former Pentester Engineer at SpecterOps Author of BloodHound

DEFCON Organizer (1993 - 2013), Layer_One Founder, #DC206 Founder, Black Lodge member, 3 Time Juror, Force Multiplier. I killed the dinosaurs.

CTO of Microsoft Azure, author of novels Rogue Code, Zero Day and Trojan Horse, Windows Internals, Sysinternals tools. Opinions are my own.

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

aka wald0

Creators of BloodHound | Experts in Adversary Tradecraft | Leaders in Identity Attack Path Management

Hacker by day, author also by day but sometimes night. Gotta keep you guessing.

Penetration Testing, Purple Team, Red Team & Adversary Emulation. Let our Offense, Prepare your Defense. https://redsiege.com #weareoffensive

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

Creator of Darknet Diaries. Verification: https://twitter.com/JackRhysider/status/1675298532406984707

Hacker | Former ER Nurse | Definitely not Tom | Rooting thru your trash ૮ ฅ• ﻌ -ฅ ა

Founder of Granitt, securing journalists and at-risk people around the world.

cybersecurity weather man. scanning the horizons for cloudy cyber. Expert at nothing except computer rubbish. Anti-ransomware since 2015.

I do not give Facebook permission to print anything off my computer

Mandi 🏳️‍🌈 Be kind when you can 🩷💛🩵 🖤🩶🤍💜 https://linktr.ee/spicychaosgoblin

Hacker & CEO @SocialProofSec security awareness/social engineering training, videos, talks | 3X @DEFCON🥈 | Ex Chair @WISPorg | Ex @CISAgov Technical Advisory Council under Director Jen Easterly

Join us for Wild West Hackin' Fest - Deadwood 2026! Con: Oct. 7-9, 2026, Pre-Con Training: Oct. 6-7, 2026

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

(he/him) Dad / Husband / Marine / Student / Teacher / @Hak5 / @NoVAHackers / @SiliconHBO / @NationalCCDC / @MARFORCYBER Auxiliary

Hacker / Creative Mischief & GOOD VIBES ONLY

Hacker, CISO, and commercial pilot. Certified Bluesky Elder. Author and International Speaker, Chief advocate of #DoBetterBeBetter Compassion and empathy are traits in short supply but necessary to make this world a better place. alyssasec.com

I do cool Infosec stuff with cool people. I will light the way by the bridges I burn.

I nudge people to care about privacy and security. CPO/DPO. Privacy/infosec lawyer. Hacker. Fighting for privacy, digital civil liberties & the users. Ex @EA @FTC |my views are my own. I used to post on Twitter at @wbm312.

Networking • Hacking • Hacking Networks (she/her) shenet.works

Flibustier du net ̿ ̿̿'̿'\̵͇̿̿\=(•̪●)=/̵͇̿̿/'̿̿ ̿ ̿ ̿ Podcast Hack'n Speak http://anchor.fm/hacknspeak Github https://github.com/mpgn

Nerd

Offensive Security Professional | Phillip Wylie Show Podcast Host | The Pentester Blueprint coauthor | TribeOfHackers Red Team | https://linktr.ee/phillipwylie

🛠️ Former Sysadmin, now Pentester | Microsoft MVP | Helping IT teams make their environment harder to attack Pentesting -> SecurIT360 Podcast -> CyberThreatPOV Active Directory Security Resources for IT Admins 👇 https://go.spenceralessi.com/adsecurity