DEF CON @defcon.defcon.social.ap.brid.gy DEF CON is the world's most influential hacker conference. Held every year since 1993 in Las Vegas, Nevada, DEF CON is the hub of a global community of hackers […]
🌉 bridged from ⁂ https://defcon.social/@defcon, follow @ap.brid.gy to interact
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
Jari Pirhonen @japi.bsky.social Security leader, risk professional, business enabler, lifelong learner.
SwiftOnSecurity @swiftonsecurity.com computer security person. former helpdesk
Sami Laiho @samilaiho.com Keynote-speaker, Chief Research Officer, Microsoft MVP since 2011
More info: https://samilaiho.com/
AI Village @aivillage.bsky.social Hackers, ML researchers, and data scientists focused on the use and abuse of AI; join us!
Discord: http://discord.gg/xMK7fuu
Twitch: https://twitch.tv/aivillage
BSides Las Vegas @bsideslv.org BSides Las Vegas will take place August 3-5, 2026
Las Vegas · bsideslv.org
netbiosX @netbiosx.bsky.social Purple Team
Simon Willison @simonwillison.net Independent AI researcher, creator of datasette.io and llm.datasette.io, building open source tools for data journalism, writing about a lot of stuff at https://simonwillison.net/
Colin Shea-Blymyer @dr-bly.bsky.social AI Safety and Security. Fellow @ CSET | Georgetown. CS/AI PhD. Nerd.
Lorenzo Franceschi-Bicchierai @lorenzofb.bsky.social Real-time historian of the late cyber capitalist era @TechCrunch, writing about the intersection of hackers, human rights, and spies.
Also writing a book about Hacking Team and the history of government spyware.
☎️ Signal: +1 917 257 1382
Ian Coldwater 🧊🚫 @lookitup.baby Kubernetes SIG Security Co-Chair. I hack things and build community.
Minneapolis. They/them. Stay punk 🏴
MSP feed info: https://bsky.app/profile/amityf.bsky.social/post/3mrv36uo4pc2a
David Buchanan @retr0.id reverse engineering, cryptography, exploits, hardware, file formats, and generally giving computers a hard time
Fedi: @retr0id@retr0.id
Macroblog: https://www.da.vidbuchanan.co.uk/blog/
Perri Adams @perrib.us Fmr DARPA Program Manager | Fmrly Organizing DEF CON CTF with Nautilus | RPISEC Alumna | Personal account, opinions my own, RT ≠ endorsement
Richard Johnson @richinseattle.bsky.social Fuzzing; Vulnerability Research;
Deep Learning; Reverse Engineering
Training & Publications @ http://fuzzing.io
Hacking the planet since 1995
Undercurrents.io BOFH
I'll stop the world and melt with you
Karl @dr.supersat.phd KY0LO. Recovering hackademic. He/Him.
Marcus Hutchins @malwaretech.com threads.com/@malwaretech
https://linkedin.com/in/malwaretech
https://marcushutchins.com
UK_Daniel_Card @mrr3b00t.bsky.social 
Atsika @atsika.bsky.social Red Team enthusiast | Malware development enjoyer | Adversary Simulation at @quarkslab.bsky.social
@bbhacks.bsky.social @bbhacks.bsky.social 
Mark Dowd @mdowd.bsky.social Internet hacker
@whitecyberduck.bsky.social @whitecyberduck.bsky.social Hacker at @specterops
@mgeeky.bsky.social @mgeeky.bsky.social 
werdhaihai @werdhaihai.bsky.social Principal Red Team Operator at Armadin
https://github.com/werdhaihai
Philip Tsukerman @philiptsukerman.bsky.social Infosec, sometimes.
Marc André Tanner @brain-dump.org Information security, operating systems, text editors
github.com/martanne
Fabian Bader @fabian.bader.cloud #Security #Azure #EntraID #XDR #MDE #Identity #M365 #AD #PKI #KQL
Microsoft MVP
Tweets and opinions are my own
Adam Hassan @adamkadaban.com Doing Windows Security @ Microsoft
https://hackback.zip
omgmike @mikecherry.bsky.social “A riot is the language of the unheard.”
- MLK
Staff ProdSec Engineer @ place
Clark B @sup3rm4n.bsky.social Offensive Security Engineer. Musician. He/Him.
ocdsec @ocdsec.bsky.social 🏴☠️ 💚 🇺🇦 computer tester | 603,628 km²
@redteam00.bsky.social @redteam00.bsky.social 
Anderson Nascimento @andersonc0d3.bsky.social Director & Security Researcher @alleleintel.com
Blog: https://blog.andersonc0d3.io
@sokafr.bsky.social @sokafr.bsky.social maldev and redteam. write some posts at https://sokarepo.github.io/
PaiN @pain055.bsky.social Red Teamer
samir @s3mme.com making and breaking things. interested in all things tech/cyber security
Fediverse: https://infosec.exchange/@s3mme
Web: https://s3mme.com
Bushidosan @bushidosan.bsky.social A red team operator interested in malware and windows internals with a sprinkle of reversing
@bushidosann at the dying bird
Ronin @redteamronin.bsky.social Cybersecurity Manager
Ultra runner
I used to run into burning aircraft for the government
Chris Shields @r00t0v3rr1d3.bsky.social Red Team
Include Security @includesecurity.bsky.social https://includesecurity.com/
Steve Christey Coley @realsushidude.bsky.social CWE, CVE, comedeh, susheh, etc. #vulnLife Not SushiDude on here as far as I recall.
Buffer @buffer.com The social media management platform for scheduling, publishing & analytics across every major network. Plan your content calendar in one place. This account is managed by real humans. 💙
⬇️ buffer.com/bluesky
@pard0p.bsky.social @pard0p.bsky.social 
Henri Nurmi @henkru.bsky.social Breaking computers one by one. Focus on offensive security development and research.
Mohamed Shaaban @tcpshaaban.bsky.social Writing code | Photographing galaxies | Shares 50% of his DNA with bananas 🍌
Almond Offsec @almondoffsec.bsky.social Offensive Security team at Almond.
Blog: https://offsec.almond.consulting/
Red Siege @redsiege.com Penetration Testing, Purple Team, Red Team & Adversary Emulation.
Let our Offense, Prepare your Defense. https://redsiege.com
#weareoffensive
Calzone @calz0n3.bsky.social sorry, computer
https://please.donothack.us/
https://github.com/ofasgard
Raphael Mudge @raphaelmudge.bsky.social Riding around in the breeze. USAF Veteran.
@mikko @mikko.bsky.social Fighting malicious use of technology.
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
John Strand @strandjs.bsky.social I do cool Infosec stuff with cool people.
I will light the way by the bridges I burn.
Kadi (Grigg) McKean @kadigrigg.bsky.social Living life like every day is a parade | Podcaster @10xinsights.bsky.social | Empowering the Possible through DevOps 🐶
Daniel Cuthbert @dcuthbert.bsky.social Ageing hacker, long time documentary photographer. Black Hat Review board. Now sitting on numerous government cyber security boards so I guess that means I’ve grown up right?
rand0h @akacki.net Goon / Degenerate / KD3CHT / Akacki.net / DEFCON610.org
Iain Thomson @iainthomson.bsky.social UK journalist in SF covering security, space, and science, and stuff that looks fun. Into sailing, F1, F5, the Oxford comma, and Marmite.
All views my own. Signal: iainthomson.60 if you want to talk. Reluctantly siliconlimey on Insta & iainthomson on X.
Scott Sutherland @nullbind.bsky.social 
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. 
Sahar Abdelnabi @sahar-abdelnabi.bsky.social Researcher @ Microsoft | ex. PhD @ CISPA | Neurodivergent 🧠🦋 | AI safety & security | life and peace for all ☮️, permanent ceasefire 🍉
Opinions my own.
@bsidesabq.bsky.social @bsidesabq.bsky.social 
Sofia Herrera @sofiaareinaa.bsky.social Award Winning Global CISO, CPO, Lawyer (not legal advice) | Author | International Speaker | Dogs, Data Privacy & Digital Security | personal account
YousefED @yed.bsky.social Founder of https://www.blocknotejs.org / and https://www.relive.com #localfirst
Caitlin Condon @catc0n.bsky.social Adventurer. Takes a lot of photos, calls many places home. VP of research @VulnCheck. Previously vulnerability research director @Rapid7 / @metasploit.
vx-underground (automated mirror) @vxundergroundre.bsky.social The largest collection of malware source code, samples, and papers on the internet.
Password: infected
(unofficial, this is a bot! Maintained by a private individual, the bot can't handle retweets or replies, support soonish)
The Nimble Nerd - BREAKING NEWS @nimblenerd.social The Nimble Nerd pulls together news and insights from trusted security news sources. We’re all busy, there’s a LOT of content out there! and that's why we're here, to Bridge the Information Gap
podcast: https://x.n3rd.ly/NerdNewswire
cje @cje.io founder @bugcrowd && co-founder @disclose_io || hacker, entrepreneur, executive, advisor || عصا موسى || #w00w00
Jessica Hyde @b1n2h3x.bsky.social DFIR, USMC Vet, she/her
TC 🅅 @tc.superteece.com Dad, husband, pentester, Traveling Man, oddball -- All views/opinions expressed are mine (This account is fun, not professional) -- http://keybase.io/tcjohnson
Scott Hanselman 🌮 @scott.hanselman.com I want you to win and be happy. Code, OSS, STEM, Beyoncé, T1D, open source artificial pancreases, Portland, 3D printing http://hanselminutes.com inclusive tech podcast! VP/Member of Technical Staff, Microsoft/GitHub 🌮
http://hanselman.com/about
Fran Donoso @francisck.com I'm an infosec person who currently works as the CTO of a security services firm. Have done DevSecOps, Red Teaming, and reverse engineering. I reversed some of the tooling leaked by the Shadow Brokers and spoke about it publicly 
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
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)
Jessica Crosby @jessicacrosby.bsky.social Staff Security Engineer at GoFundMe
@Jhyp3 on Twitter
audibleblink @ctrl.red Self Hating Red Teamer - Legitimate Business Practice
🐦: @4lex
Nate Warfield @n0x08.bsky.social Network Security | Hacker | WIRED25 2020 | CTI-League Founder | Security Researcher
martin @cantcomputer.bsky.social CSO @ TrustedSec | Music | Tattoos | H@x | Rad Memes
evilmog @mog.evil.af X-Force, Shenanigans, Hashcat, Church of WiFi, Black Badges, MUDs, Dad Jokes, some Infosec.
Twitter: @evil_mog
Laughing Mantis @laughingmantis.bsky.social VXer, Computer Goth, Malware Musician
Caroline @cxstephens.bsky.social 
Marcello @byt3bl33d3r.bsky.social Running on vibes. Cyber vibes.
TimOfLegend @timoflegend.bsky.social Hi! I'm Tim Schafer!
Founder, Double Fine Productions
Official DF account: @doublefine.com
Please report bugs to http://support.doublefine.com
Press: pr@doublefine.com
syndrowm @syndrowm.com Hacker, CTF, CCDC, BJJ Brown Belt, python, rust, malware
https://www.offensivecontext.com
https://puck.tools
https://www.malicious.fit
Alasdair Kesson @adskesson.bsky.social 
Csaba Fitzl @theevilbit.bsky.social macOS Security -- Trail running 🏃 -- Mountains ⛰ -- Tolkien fan
fhlipZero @fhlipzero.bsky.social fhlipzero.io
hacks | cats | Macs 
jstnkndy @jstnkndy.bsky.social Infosec professional, beverage snob, and fantasy book consumer. Vice President @ Atredis Partners. Forever terrified of Kithicor.
Kyle Avery @kyleavery.bsky.social https://x.com/kyleavery_
Chris Truncer @christruncer.bsky.social Deputy Chief Red Team @ CISA && BJJ && Open Source Dev
Tijme Gommers @tijme.bsky.social Offensive Security at ABN AMRO Bank 🏦. Red Teaming, Malware Development & Reverse Engineering 🐙. Cyber Cyber Cyber ⚡️.
Thijs Alkemade @xnyhps.nl Security Researcher.
Mitja Kolsek @mkolsek.bsky.social CEO of ACROS Security; Co-founder of 0patch (https://0patch.com)
Wishing billionaires would stop buying social platforms and making us rebuild synapses elsewhere
https://acrossecurity.com
AnubisSec @anubissec.bsky.social Logging into things I shouldn't.
Red Team Lead @ NVIDIA
Jan "Duchy" Neduchal @handle.invalid infra @ VXUG. Staff Offensive Security Researcher @ S1.
Clément Labro @itm4n.bsky.social Pentest & Windows security research
Alex Chapman @ajxchapman.bsky.social Full Time #BugBounty Vulnerability Researcher
https://blog.ajxchapman.com
@hasherezade.bsky.social @hasherezade.bsky.social 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
@its-a-feature.bsky.social @its-a-feature.bsky.social @its_a_feature_ on Twitter | Mythic developer | @SpecterOps
@l1nkd34d.bsky.social @l1nkd34d.bsky.social 
@bouj33boy.bsky.social @bouj33boy.bsky.social