nohwnd @jakubjares.com Pester & Profiler owner and maintainer. Senior software engineer, developing Testing.Platform, VSTest and MSTest at Microsoft. All opinions are mine.
Barry Dorrans @blowdart.me Security Curmudgeon for Microsoft .NET
Do you really think work wants my social media opinions?
Not nice, but kind - @medus4.com
🇮🇪 🇬🇧 🇺🇸 
Marius Strom @marius.org I work on cybersecurity for the systems and infrastructure the world depends on. Formerly at Microsoft, now at ASML.
He/Him.
🇳🇴 > 🇺🇸 > 🇳🇱
Eric Migicovsky @ericmigi.com Inventor of things.
Currently working on rePebble.com
Previously: cofounder Beeper.com, partner @ycombinator, founder @pebble
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
Tillery @are.tillery.fyi Computer booper, knowledge sharer, trans queer leftist hacker. I sometimes do the cybers.
Friend of Blåhaj
💛🤍💜🖤They/Them/It/Its
I die on weird hills
Also I'm cute
AreTillery on most other socials
Other links on https://tillery.fyi
Michael @michaelwareman.com Cybersecurity leader. All my socials at https://linktr.ee/michaelwareman
Vasu Jakkal @vasujakkal.bsky.social CVP Microsoft Security | Board of Directors, Aptiv
Follow me on LinkedIn for regular updates: https://www.linkedin.com/in/vasu-jakkal/
Anton Chuvakin @anton1chuvakin.bsky.social www.chuvakin.org
Frank McGovern @frankmcg.com I’m not actually here, but I may be one day.
Joe Bialek @josephbialek.bsky.social Windows security person
Johnathan Norman @spoofy.bsky.social Just a guy trying to improve software quality. Currently securing WhatsApp, Before that Microsoft Windows and Edge.
Kym Possible @kympossible.bsky.social Job Status: HBIC at @zatik.io
I’ve kissed mermaids, rode the El Niño
Protect Trans People 🏳️⚧️
shenetworks @shenet.works Networking • Hacking • Hacking Networks (she/her)
shenet.works
Randall Munroe @xkcd.com 
Runa Sandvik @runasand.bsky.social Founder of Granitt, securing journalists and at-risk people around the world. 
Matt Burgess (WIRED) @mattburgess1.bsky.social Security writer @wired.com
Cybercrime, privacy, surveillance, and more.
Signal: mattburgess.20 | Email: matt_burgess@wired.com
Justin Campbell @metr0.bsky.social Security research and exploit mitigations @ Microsoft. Kenshoto founder and CTF burnout. Tweets are, regrettably, my own.
Blenster 🅅 @blenster.com I used break things and write detailed reports but now I'm management. Rapid Prototyper. Maker. Apprentice Knifemaker. Sometimes I try to help explain social situations to dudes.
Trans rights are human rights and Black lives matter.
I love you.
Lenny Zeltser @lennyzeltser.com Builder of security products and programs. Teacher of those who run them.
https://zeltser.com
Andy Robbins @andyrobbins.bsky.social aka wald0
Space Rogue @spacerog.bsky.social I fight for the user. | L0pht Heavy Industries - ATStake - Whacked Mac Archives - Hacker News Network - Cyber Squirrel 1 | Semgrep
Pwnallthethings @pwnallthethings.bsky.social Just thinking out loud.
@investigatorchic.bsky.social @investigatorchic.bsky.social 
Microsoft @microsoft.com AI, Cloud, Productivity, Computing, Gaming & Apps ☀️
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.
@msftbluehat.bsky.social @msftbluehat.bsky.social 
Mark Morowczynski @markmorow.com Principal Security Researcher @Microsoft. Author, Blogger, Speaker, and Baseball Nerd. Always has an overwhelming backlog of books and video games to get through.
Micah Lee @micahflee.com Doing what I can to keep activists, journalists, and researchers safe and productive — writing at https://micahflee.com — author of HACKS, LEAKS, AND REVELATIONS https://hacksandleaks.com — signal: micah.01
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
Grifter @grifter801.bsky.social Threat Hunting & DFIR, Hacker, Geek, DEF CON & Black Hat CFP Review Board Member, DEF CON Contest/Events/Demo Labs Dept. Head, Black Hat Staff, DC801 Founder- S Matt Weeks @scriptjunkie.bsky.social Hacker. scriptjunkie.us
Accidental CISO @accidentalciso.net 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
Chris Truncer @christruncer.bsky.social Deputy Chief Red Team @ CISA && BJJ && Open Source Dev
Chris Wysopal @weld.bsky.social Gray haired gray hat. Co-founder Veracode. Former L0pht security researcher. Builds tools to find and fix vulnerabilities in code at scale.
Eric Woodruff @ericonidentity.com Entra nerd currently @ #Semperis. Parent. Partner. MS Security MVP. Views are those of my cat.
Zoë Rose @rosesec.bsky.social #mumSec
InfoSecSherpa 🏔️ @infosecsherpa.bsky.social #Librarian turned #InfoSec & #DataPrivacy practitioner. #Philly area hoagie mouth. InfoSecSherpa and Sherpa Intelligence: Your Guide Up a Mountain of Information! Portfolio: https://linktr.ee/infosecsherpa #GoBirds
Conrad @ericconrad.com SANS Fellow, CTO of Backshore Communications, GIAC GSE #13, SABR member, golden age arcade restorer. Peaks Island, Maine
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 🌻
Alex Stamos @stamos.org CPO/CSO of Corridor.dev, teaching at Stanford.
chompie @chompie.rip hacker, poster, weird machine mechanic
https://chompie.rip
evilmog @mog.evil.af X-Force, Shenanigans, Hashcat, Church of WiFi, Black Badges, MUDs, Dad Jokes, some Infosec.
Twitter: @evil_mog
XPN @xpnsec.com Hacker for hire at @specterops.bsky.social
Blog: https://blog.xpnsec.com
Alex Ionescu @ionescu.bsky.social Windows Internals Author, Developer, Reverse Engineer, Security Researcher, Speaker, Trainer, and most recently Nation State Hacker.
Core OS Platform Developer at Apple, Hyper-V Vendor at Microsoft, Chief Architect at CrowdStrike and now Director at CSE.
Maddie Stone @maddiestone.bsky.social Security Researcher at Google Project Zero. 0-days all day. Love all things reverse engineering. she/her
Nate Warfield @n0x08.bsky.social Network Security | Hacker | WIRED25 2020 | CTI-League Founder | Security Researcher
Nathan McNulty @nathanmcnulty.com Loves Jesus, loves others | Husband, father of 4, security solutions architect, love to learn and teach | Microsoft MVP | @TribeOfHackers | 🐘infosec.exchange@nathanmcnulty
Steve Syfuhs @syfuhs.net 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/
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
Laughing Mantis @laughingmantis.bsky.social VXer, Computer Goth, Malware Musician
Rachel Tobac @racheltobac.bsky.social Hacker & CEO @SocialProofSec security awareness/social engineering training, videos, talks | 3X @DEFCON🥈 | Ex Chair @WISPorg | Ex @CISAgov Technical Advisory Council under Director Jen Easterly
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
Sherrod @sherrod.bsky.social It’s me. Sherrod DeGrippo 
Caroline @cxstephens.bsky.social 
Katie Moussouris (she/her/she-hulk/she-ra)🌻 @k8em0.bsky.social Founder & CEO LutaSecurity @payequitynow MIT&Harvard visiting scholar, @MasonNatSec fellow, 1/2 Chamoru, 1/2 Greek all-American hacker
Jayson E. Street💜🤗💜 @jaysonstreet.bsky.social Hacker - Helper - Human
JaysonEStreet.com
jduck @jduck.me Continuously learning about computer security through research and development.
HD Moore @hdm.io runZero & Metasploit
Andrew Case @attrc.bsky.social Volatility Core developer, Dir. of Research Volexity, LSU Cyber
Rob Fuller @mubix.com (he/him) Dad / Husband / Marine / Student / Teacher / @Hak5 / @NoVAHackers / @SiliconHBO / @NationalCCDC / @MARFORCYBER Auxiliary
Azeria @azeria-labs.com Founder of Azeria Labs, Trainer, Author of Blue Fox: Arm Assembly Internals & Reverse Engineering
Alethe @alethe.bsky.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
@egyp7 @egyp7.bsky.social I like juggling, Bash, chess puzzles, and good exploits. Worked on Metasploit for some years. 💙💜🩷
@egypt@mastodon.social
David (DWIZZZLE) Weston @dwizzzle.bsky.social Corporate Vice President, OS Security and Enterprise @Microsoft
Tim McGuffin @tim.mcguff.in @NotMedic from that other place.
Adversarial Cartographer. DEFCON Staff & CFP Board. MS in DF. Fmr Fire/EMS. Red and Blue. Builder. Tinkerer. Chaotic Good.
Marcello @byt3bl33d3r.bsky.social Running on vibes. Cyber vibes.
Yarden Shafir @yardenshafir.bsky.social A circus artist with a visual studio license
Carlos Perez @thedarkoperator.bsky.social - Cybersecurity since 1998
- Information Security jack of all trades
- Hacker
https://www.darkoperator.com
bat 🦇🌻 @mzbat.bsky.social Security Consultant & Founder, Sonar Security | Red Siege, VMware Tanzu, NASA GSFC, Apple, 18F | art, lego, board games, comics, cute animals |🧛🏻♀️⛵️
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
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
Justin Elze @handle.invalid CTO @TrustedSec.com | Former Optiv/SecureWorks/Accuvant Labs/Redspin | Race cars
Meredith Whittaker @meredithmeredith.bsky.social President of Signal, Chief Advisor to AI Now Institute 
harmj0y @harmj0y.bsky.social Researcher @SpecterOps. Coding towards chaotic good while living on the decision boundary. #dontbanequality
Mathias R. Jessen @iisresetme.bsky.social Frequent victim of nerdsniping. Show me your code 😏
Jeffrey Snover @jsnover.com PowerShell inventor, Reader, Science & Geopolitics geek, Philosopher-Errant, Retired
Chrissy LeMaire @funbucket.dev Dual Microsoft MVP, Inaugural GitHub Star, creator of dbatools, author http://dbatools.io/book and AI for Everyday IT from Manning Publications.
Creator of @mutesky.app 🏳️🌈
Totally into AI, SQL Server and PowerShell.
📍 Very North of France
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. 
Adam Driscoll @adamrdriscoll.com Developer at Devolutions. Creator of PowerShell Universal. Builder. Explorer.
adamrdriscoll.com
Jake Hildreth @dotdot.horse - [REDACTED]’s husband
- Bear's dad
- Recovering sysadmin
- Microsoft MVP (PowerShell/Identity)
- Forever student
- Open-Source Toolmaker
- Whisk(e)y fan
- College football fan (Go Blue!)
- Stuff: https://dotdot.horse
Kevin Collier @kevincollier.bsky.social I cover digital threats for NBC News. Tip me! @kevincollier.01 on signal, kevin.collier@nbcuni.com. NYC, from West Virginia.
Zack Whittaker @zackwhittaker.com Security editor, TechCrunch
Signal: zackwhittaker.1337
My stories: techcrunch.com/author/zack-whittaker
My newsletter/blog: this.weekinsecurity.com
404 Media @404media.co it's a website (and a podcast, and a newsletter) about humans and technology, made by four journalists you might already know. like and subscribe: 404media.co
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
Molly White @molly.wiki writes citationneeded.news • runs @web3isgoinggreat.com and @influence.citationneeded.news • tech researcher and cryptocurrency industry critic • software engineer • wikipedian
support my work: citationneeded.news/signup
links: mollywhite.net/linktree
💗💜💙
evacide @evacide.bsky.social Director of Cybersecurity @eff.org
Co-founder of @stopstalkerware.bsky.social
These opinions are my own, not my employers’
I did a TED talk once
Marcus Hutchins @malwaretech.com threads.com/@malwaretech
https://linkedin.com/in/malwaretech
https://marcushutchins.com
Malware Unicorn @malwareunicorn.bsky.social @Straiker. Ex-Microsoft. Ex-Meta RedTeam, Ex-Endgame, Ex Fireeye. malwareunicorn.org
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
Katie Nickels @likethecoins.bsky.social 
Catalin Cimpanu @campuscodi.risky.biz ☆ Cybersecurity reporter
★ Newsletters at Risky Business
#infosec #cybersecurity
https://risky.biz
Andy Greenberg @agreenberg.bsky.social Writer for WIRED. Author of SANDWORM. Latest book, TRACERS IN THE DARK: The Global Hunt for the Crime Lords of Cryptocurrency, out now. agreenberg@wired.com. Andy.01 on Signal.
Kim Zetter @kimzetter.bsky.social Journalist - cyber/natn'l security. Speaker. Georgetown adjunct prof. Author - COUNTDOWN TO ZERO DAY: Stuxnet and the Launch of the World's First Digital Weapon
Signal: KimZ.42
https://www.zetter-zeroday.com
Mark Russinovich @markrussinovich.bsky.social CTO of Microsoft Azure, author of novels Rogue Code, Zero Day and Trojan Horse, Windows Internals, Sysinternals tools. Opinions are my own.
Jason Koebler @jasonkoebler.bsky.social Journalist @404Media.co
Signal: jason.404 // email: jason@404media.co
Joseph Cox @josephcox.bsky.social Hacking/crime/privacy journalist. Author of DARK WIRE, buy here: https://www.hachettebookgroup.com/titles/joseph-cox/dark-wire/9781541702691/#preorder Co-founder of 404 Media. Signal: joseph.404 Email: joseph@404media.co
Lesley Carhart @hacks4pancakes.com 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. 🏳️🌈
Blue Team Con @blueteamcon.com Blue Team Con is an annual cybersecurity conference built for defenders, inclusive of anyone interested in safeguarding organizations.
https://blueteamcon.com
Next Conference:
Training: 10-11 September 2026
General Conference: 12-13 September 2026