Lee Holmes @leeholmes.com Partner Security Architect, Azure Security. PowerShell developer, fanatical hobbyist, and author of the PowerShell Cookbook.
StarKitty 🏳️⚧️ @starkitty.gay It's a UNIX system! I know this!
I like cats and vintage computers.
I might also collect Sun Microsystems gear.
Australian Transbian
She/they
Born sometime in the 80s
Minors DNI 🔞
Chronic Pain suffer.
Greater Sydney area.
@capetros.bsky.social @capetros.bsky.social 
TruBluFan @trublufan.bsky.social @defcon.bsky.social Speaker Ops #Goon, DEFCON.social moderator, @BSidesCharm.bsky.social and @bsidesphilly.bsky.social organizer, CISSP
Johnnie: Shield of 'Murica - Malört Division @dadbaud.cocktailcon.org Broken action figure
InfoSec in the streets, regex in the sheets
CocktailCon co-founder
He/him
kat cosgrove @kat.lol village sorcerer @villagesql.com
local bigfoot enthusiast
kubernetes steering committee, release team subproject lead, sig docs tech lead, uwubernetes, colorado springs via memphis
she/they
Ned Pyle @nedpyle.com Dog butler to Indy, Darby, & Kell. Former USMC 0341. Chicago Tavern style. You may know me from years of MSFT. Or not. Was @nerdpyle before the bad times. Eat shït, nazis
Marcus Hutchins @malwaretech.com threads.com/@malwaretech
https://linkedin.com/in/malwaretech
https://marcushutchins.com
🇵🇹 snipe, lixo tóxico ⭑⭒⭒⭒⭒ @snipe.lol Hacker, dev, CEO of @grokability.com, author, speaker, open sourcerer, sudo incarnate, poo doula. I make @snipeitapp.com. Was @snipeyhead. Married to @uberbrady.com. Vivo em Lisboa 🇵🇹. #Laravel #FOSS
🔗 snipe.net
🔗 snipe.pt
🐘 @snipe@hachyderm.io
Jake Williams @malwarejake.bsky.social Breaker of software, responder of incidents, IANS Faculty, VP R&D Hunter Strategy.
@nyxgeek.bsky.social @nyxgeek.bsky.social 
TrustedSec @trustedsec.com End-to-end Cybersecurity consulting team leading the industry, supporting organizations, and giving back. #HackThePlanet
https://trustedsec.com/
krux @krux.org Also over at @krux@infosec.exchange
Hacker, geek, artist, creator of puzzles.
hk/at/rgtedt/urrh/p:xoals.i
If you're on the fence you should give it a shot. Cryptography and puzzles are fun. You might learn something neat.
Mark Manning @antitree.com Process isolationist, k8s hacker, ᴎo-prem pusher, syscall denier, container liberator
🔸Xxx
🔸Rochester 2600, IOIOIO Security
🔸Former: chainguard, Snowflake, NCC Group, Hackerspace starter, BSidesROC Founder
Snow @s-n-0-w.bsky.social 
@nilbinsec.bsky.social @nilbinsec.bsky.social 
mrb0t @mrb0t.bsky.social 
Phat Hobbit @phat-hobbit.bsky.social CISO Inversion6.com, CTO Octopi Managed Services, CyberEd Board Member, Gartner Peer, Defcon SOC Goon, Amateur Dentist & Infosec Fashionista - opinions expressed are my own.
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
Honey Badger @honeybadgerhax.bsky.social Hardware Hacking n00b | Overly Confident, Woefully Unqualified Electrician | #TrustedSec4Life
Oscaron ☕🧐 @oscaronactual.bsky.social @oscaron at Twitter. 
Tyler Booth @dru1d.bsky.social Компьютерный хулиган. Adversary Simulation @ CDW
Adelle lin @adellelin.bsky.social Artist, technologist, indie games, working on the resistance @newinc @onx @nycresistor
Faculty at Parsons and helping out at the Math Museum in NYC
adelleninja.com
No Useless Tech @bsky.nouseless.tech Tech is for the people, not the other way around.
@drg.phd @drg.phd 
Marc Smeets @marcoverip.bsky.social Does a thing or two with red teaming @ Outflank | part time race and drift car instructor
Becky Gehrisch - kidlit picture books @gehrisch-arts.com - #kidlit picture book #Author-Illustrator 👩🏻🎨
-Former IC of Cen/South Ohio #SCBWI. 🖌️
www.gehrisch-arts.com
-Creative Director at Bookling Media 🎨
www.booklingmedia.com
PhreakingGeek @phreakinggeek.bsky.social Purveyor of all things absurd. Security d00d. Lifelong learner. Human. Thoughts posted here are my own. #WeAreAllCollateral
LeVar Burton @levarburton.bsky.social Kunta, Geordi, Reading Rainbow guy. Flies twice as high… #bydhttmwfi
Willa @willasaywhat.bsky.social Infosec princess with a penchant for secure code, mother of two, wifey ⚢. My words are my own. 🏳️🌈
https://infosec.exchange/@willasaywhat
pingucat @pingucat.bsky.social I do artwork for hackers and throw parties.
D̒͂̕ᵈăᵃn̕ᶰ Ť̾̾̓͐͒͠ᵗe͗̑́̋̂́͡ᵉn̅ᶰtᵗl̀̓͘ᶫe̓̒̂̚ᵉrʳ @viss.hax.lol Viss from twitter and mastodon.social.
startup founder, hotsauce guy, public speaker
eater of pineapple on pizza, listener of ska, flooper of quads
internet grandpa, former sysadmin turned infosec
https://phobos.io/rtg/
https://ravenholmspices.etsy.com
Bellingcat @bellingcat.com Bellingcat is a global collective uncovering facts to hold power to account. Our work is independent. Our methods are public. Our community is global.
Want to support our charity? bellingcat.com/donate
DEF CON Parrot🦜 @defconparrot.bsky.social Latest News, Fun Moments & Event updates from the DEF CON Community • Follow to stay updated!💛
#DEFCON33 Dates:🎉Aug 07 - Aug 10, 2025
Link of Links {
Resources🌍 •> https://linktr.ee/defconparrot
Updates🗞️ •> https://x.com/defconparrot
}
Liam Beeton @liambeeton.com I'm a tinkerer, a lifelong learner and a collector of hobbies.
Find all my stuff at https://liambeeton.com.
Kate Pearce @secvalve.bsky.social Aotearoa. Recovered pentester, security pragmatist. Head of security at a place Kiwi know, many other hats. 👩🏽💻🏳️🌈 Personal views. #infosec #cybersecurity Also @Secvalve@cloudisland.Nz
Andy Gill @zephrfish.yxz.red Defcon goon, Adversarial Architect. Photography, Driving, Blog and general purveyor of chaos. Metal/DnB Fan creator and owner of https://lms.zsec.red
e.v.m. home from DistrictCon 🏛️ @evm-sec.bsky.social PoC||GTFO booklegger. I publish zines and rage against (8,16,32)-bit machines. That guy you met @shmoocon that one time. RE @ JHUAPL (personal account). Matthew 7:7-8
Karl @dr.supersat.phd KY0LO. Recovering hackademic. He/Him.
Ken @stoner.dad 
Marcelle @marcelle.bsky.social security researcher - educator - author - packet nerd - CTF builder and player - #DEI advocate - Cyberjutsu BoD
https://linktr.ee/marcellelee
Frank M @5y5tem5.bsky.social A generic sixth participant. The moral is obvious. You can't trust code…
martin @cantcomputer.bsky.social CSO @ TrustedSec | Music | Tattoos | H@x | Rad Memes
🔮 Daniel Hückmann @sanitybit.com ∞ 42 ∞
📷 Photography: @danielhuckmann.com
🌐 Organizer: @rainsec.org || @netsec.bsky.social
🦋 InfoSec, Psychedelics, Psychology, & Neuroscience
@gdead.bsky.social @gdead.bsky.social Founder (yikes!), supports @heidishmoo each year as she wrangles @shmoocon, totally done with that other site
Shao Trommashere #Resist @shaotrommashere.bsky.social Eagerly awaiting my first job in Cybersecurity, Dumb End of The Leash for two GSDs, Paramedic, Firefighter, Inebriest, Steelers Fan. Looking for a CyberSec/InfoSec entry level job! They/She 🏳️🌈 #polyam #queer #kink #childfree #EMS #GSD #cybersecurity
Chris @techgirlmn.bsky.social Maker Village lead, The Diana Initiative. I.T. lady for rural libraries. 
omgmike @mikecherry.bsky.social “A riot is the language of the unheard.”
- MLK
Staff ProdSec Engineer @ place
Sean Gallagher @thepacketrat.net Birb stalker. Cat tree. Cyber Threat Researcher. Recovering cyber and natsec reporter. Meme war and US Navy veteran.
@thepacketrat everywhere since 1994. These posts are not my employers’. https://falling-anvil.com
fidget @eismc2.bsky.social CTFer, SOC Goon, EFF Trivia Judge, bsidesLV SafetyOp Lead, bsidesden MC, HUMINT, CTI, Masochist, Internationally Recognized SME on Human Behavior, Speaker
Animals, poetry, pain, beauty, anarchy, Burn (the man and the world)
I have become the Abyss
Nicolas Grégoire @agarri.fr Web hacker 😈
Burp Suite Pro trainer 👨🏫
Maintainer of @mastering-burp.agarri.fr 🛠️
chop @porkchop-infosec.bsky.social Just a guy interested in Infosec
Ryan O'Horo @ryanohoro.com Artist, Fabricator, Offsec Engineer
Minneapolis suburbs
He/Him
Simpsons Against DevOps @simpsonsops.dev 
dragosr @dragostech.bsky.social Autonomous Carbon Based LLM with 42 years of tuning on Information Attack and Defense.
Host of CanSecWest, and PacSec.
Security audits, code, IR, LLM, red team consulting.
Specialize in Firmware, and RF.
VA7MOV
Adam Baldwin @evilpacket.net Hacker / Farmer / Builder / Breaker
clickity, hackity, pwned.™
More info: https://evilpacket.net
DTM @dtmsecurity.bsky.social Hacker, Security Engineer and Researcher.
https://dtm.uk/
Jai Like the Letter is going to Defcon 34 @s0ciabl3ng.bsky.social Learner| Hacker | Reader | Winemaker | Crafter | Hack3r Runway owner | Defcon contest | Wife | Mom | Ally | CEH, CISSP, Pentest+ MLSE. Just me. No DMs. Find me everywhere @S0ciabl3ng she/her
http://hack3rrunway.square.site
I make the floppy disk earrings
DeadParr0t @deadparr0t.bsky.social Just pwning for the fjords | 🇫🇷 🏴☠️ 🇬🇧 | Chaotic Good | Hacking & pentest stuff | Shitposts | Opinions here are those of my cat, mostly
Golgothus (Zach) @golgothus.bsky.social Senior Incident Response Engineer | Threat Hunting, IR, Cloud | ENFJ | http://wlo.link/@golgothus Your friendly CSO! (Chief Soap Officer)
x.com/golgothus
RISK @riskart.bsky.social 
Stephen Hilt @sjhilt.hilt.zip Threat Researcher @ TrendAI (Trend Micro), waffle maker, and dad. My statements and opinions are my own and do not reflect my company.
lylli @lylli.bsky.social I really like cats 🙀
Come back for a new cat thread every Wednesday.
Andraste Sideyr @andraste.fuckbgp.com (They\them)
Network Geomancy
https://sideyr.photography
https://sideyr.darkroom.com/
Kunmaru @kunmaru.bsky.social Streamer, Cyber Sec, Threat Hunter, Gamer, Punny, Techie, Learning and more!
https://kunmaru.net/
Twt(X): @kunmaruu
Twitch: Kunmaru
ZCP 🐈⬛😈🎨 Exists Sleepily 🎨😈🐈⬛ @zombiecheshirepro.bsky.social Disabled | 🇺🇸 | NB (she/her/he/him) | Pan-Demi | Artist / Crafter | Twitch Affiliate | Comms open on Vgen and Kofi | Parent | Married to @tactifail.bsky.social | Artist for @dcgothcon.bsky.social | Mythical Menagerie | https://zombiecheshirepro.carrd.co/
Nox @n0x.cc A silly little deen doing silly thing with computers and electronics.
Pentester & DevSecOps • CTF Player at TFG 🐺🦊🦌🐺 • Learning Hardware 🖥️ and radio 📡
Sam TheCravenOne @seemsgood.lol Nerdy about stuff.
Food and drink at @yum.seemsgood.lol
More things at seemsgood.com
Joseph Nyleen @joeknowscyber.bsky.social IT Director. Non-Profits, InfoSec, Blue Team, My opinions. DC541. Handle Is Ironic. Willing to be wrong. He/Him.
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.
Michael Rodriguez @duckie042.bsky.social Manager @Mandiant @Google Public Sector, Mission Control @ Google Space, Defcon Goon, #ThruntCon Board Member
ocdsec @ocdsec.bsky.social 🏴☠️ 💚 🇺🇦 computer tester | 603,628 km²
Alyssa Miller 🦄👩✈️ @alyssam-infosec.com 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
Trans femme kirby mpls @kirby.social Just a trans 🏳️⚧️ pink puff ball in Minneapolis. 18+ NSFW
@egyp7 @egyp7.bsky.social I like juggling, Bash, chess puzzles, and good exploits. Worked on Metasploit for some years. 💙💜🩷
@egypt@mastodon.social
Doug Hiwiller @dash1b.bsky.social InfoSec Leader | Red Team | PSYOP Veteran | Musician | Detester of Disinformation
JawnCon @jawncon.bsky.social The official account for JawnCon.org, a conference in Philly.
cje @cje.io founder @bugcrowd && co-founder @disclose_io || hacker, entrepreneur, executive, advisor || عصا موسى || #w00w00
Dutch_OsintGuy @dutchosintguy.bsky.social Dutch guy with Open Source Intelligence & Analysis skills • OSINT • Certified Instructor @SANSInstitute • SVP of Engineering& Chief Innovator @ shadowdragon.io
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 🌻
3ncr1pt3d 🇨🇦 Elbows Up! @3ncr1pt3d.bsky.social 🇨🇦 Friendly Canadian. Cat mom. Helper. Looking deeper. Connecting dots. Infosec & geopolitics & coffee. These are my opinions only. Not the 51st state eh 🇨🇦
Craig Lindsey @kc5aug.bsky.social Founder of BSides Birmingham 
Sherrod @sherrod.bsky.social It’s me. Sherrod DeGrippo - G Chris H. @g0es.bsky.social Corp investigations, DFIR, intel.
he/him
foxinSOCKS5 @foxinsocks5.bsky.social Recovering software engineer. Offensive security focused TPM.
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.
Internet Archive @archive.org Internet Archive is a non-profit research library preserving web pages, books, movies & audio for public access. Explore web history via the Wayback Machine. 
m◉nkeydrag❍n🐒🐉 @m0nkeydrag0n.bsky.social Always learning | Soufflé ❤️ | ß | Coffee Fiend | Certified Beer Server | Hard Hat Brigade | WarPi | Love of two-wheeled conveyances | BSidesLV & BSidesSD
Whitney Champion 🍪 @whit.zip security architect / co-founder @digitaldefenseinstitute.com / co-founder Recon InfoSec
♥♥♥ == @eric.zip, nerdery, rainbows, sweatpants
she/her | mama of 3 | 🤍🙏🌿🌈🍄
unicorns.lol
https://short-stack.net
whitneychampion.com/portfolio
MG @mg.lol 
Cannibal 🦙 @elcannibal.bsky.social @cannibal on Twitter
Ex medical infosec. Red team. Threat hunter. Patient safety. Locksport. Metal work. I break things. #MakeShitMonday 3Dprinting. less cyber more security. Maker, but mostly breaker. 
Dustrial @dustrial.net Ctrl Alt Design, Dustrial
Daydreams like Mainframes
Artist (traditional, digital, code) Designer, Apparel T1D
Dustrial.net
Nick R @armytrixter.bsky.social Retired Army guy who is fumbling his way through InfoSec. 15 years in and still looking for the adult in the room, only to realize it’s supposed to be me. 
Jonny Schnittger @jonnyschnittger.bsky.social Personal account: appsec/prodsec, builder/developer, and secure coder human. Thoughts are my own! Coder by day, coder by night. He/Him
Adam Compton "tatanus" "hillbilly storytime" @tatanus.bsky.social @tatanus on Twitter