Dan Helton @ch1kpee.bsky.social Another hellsite refugee. Mainframe hacking hobbyist (IBM z/OS), CTFs, red teaming, and testing pens. Tweets are my own stupid opinions.
Bradley Gawthrop @talldarknweirdo.bsky.social Durham NC. I Hack the Planet for a living, designing open source scientific instruments. The rest the time I'm an arts and crafts weirdo. Obsessions include Music, Scale modeling, Printmaking, Stained Glass, Handweaving, Sculpting, that sort of thing...
BIC HQ @blacksincyber.bsky.social BIC HQ π | blacksincyber@infosec.exchange/defconsocial π | #LitLikeBIC |#BlacksInCyber | 34ch-0n3-734ch-M4ny | 2x DC Black Badge CTF ππ»π΄ββ οΈ
clayton @claytondorsey.com hacker, texan abroad
he/him
β>realhackhistory.org @bsky.realhackhistory.org OΝΜΊΝΜΝ‘Ν
fficial bluesky for realhackhistory YouTube channel & blog, skeeting the #history of phreaks, #hacking & #hacktivism as well as portrayal of hackers in media. I do some threat intel & OSINT. No AI used. Hobbyist #skystorian.
https://realhackhistory.org/
Ray [REDACTED] @rayredacted.com 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
βUt scandis, alios subleva.β
Firewalls Don't Stop Dragons @firewalldragons.bsky.social Podcast host, author, blogger, educator, advocate for computer #security & #privacy, software engineer (retired).
fdsd.me/blog
fdsd.me/book
fdsd.me/podcast
@jamesnduncan.bsky.social @jamesnduncan.bsky.social 
CFP Time @cfptime.bsky.social All about #infosec Call for Papers : cfptime.org
Malate @malate.bsky.social @Malate(at)infosec(dot)exchange hacker, outreach, network engineer, devlpr, ethics, philosopher, #physsec, musician, #DCG504 | infosec student #hackNotCrime
Jennifer (JJ) Minella @jjx.therealjj.com Author "Wireless Security Architecture" and "Low Tech Hacking" | Speaker | CISO CTO @ViszenSecurity.com | Packet Protector ποΈ| @CISOLaunch.com | Security Architecture, Network, WiFi, IoT, Zero Trust | Faculty @IANS_security | www.SecurityUncorked.com
2600 - The Hacker Quarterly @2600.com Since 1984, 2600 Magazine has published the hacker perspective and documented the development of the hacking community. In addition to the magazine, we have a weekly radio show ("Off The Hook") and a biennial conference (Hackers On Planet Earth - HOPE).
aNullValue - Drew Stemen @anullvalue.bsky.social IT Consultant. HackerTracker PM.
SwiftOnSecurity @swiftonsecurity.com computer security person. former helpdesk
Leigh Honeywell @hypatia.bsky.social Security, diversity, housing, Canadian stuff π¨π¦. Cofounder and CEO of @tallpoppy.bsky.social; more at leighhoneywell.com
evacide @evacide.bsky.social Director of Cybersecurity @eff.org
Co-founder of @stopstalkerware.bsky.social
These opinions are my own, not my employer's
I did a TED talk once
@ubergeeken.bsky.social @ubergeeken.bsky.social 
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
Spooky Magnus Hedemark (he/they) @magnus919.com Tech Weenie, blogger, #neurodiverseSquad #ActuallyAutistic #AuDHD, Chief Tentacle Officer @groktop.us
https://www.groktop.us
https://magnus919.com
DistrictCon @districtcon.bsky.social A new DC hacker conference: Bringing together builders, breakers, and fixers to do cool shit.
Feb. 6-7, 2027
districtcon.org
@perimouse.bsky.social @perimouse.bsky.social I hate profiles. Labels are boring. I'm a trans woman. I'm a mom. actually ADHD, LD. Living in the US southeast. Democrat. I like hacking its fun. Work for charity. 
Rivitgrl @rivitgrl.bsky.social Abstract painter and singer. www.stopka.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
Schneier on Security @schneier.com An automated feed of posts from Bruce Schneier's blog. https://www.schneier.com/
@firmwarez.bsky.social @firmwarez.bsky.social 
@bsidescharm.bsky.social @bsidescharm.bsky.social 
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
β΄οΈCarlβ΄οΈCosmosβ΄οΈ @cillic.bsky.social Humanities for Hackers
Antiracist antifascist patriarchy-smashing hedonistic cis-queerish nightmare from the void.
Hot Mess.
He/they
Somewhere on the periphery of the Trans + Queer Shitpost
Storyteller Energy Log @tellerella.bsky.social Hackivist disrupting power-based domestic violence through online access to community care and education that promotes sustainable globalization, local community organizing, and ethical social engineering practices - https://linktr.ee/sapiophielle
RealNateCash @realnatecash.bsky.social Military-grade sarcasm.
Cybersecurity, leadership, sailing, and controlled chaos.
Built in engineering. Refined by outages, audits, and caffeine.
Danielle Sink @ds1nk.bsky.social Red Team Village VP, Academic HPC Analyst, Linux Sysadmin
2600 Meetings @2600meetings.bsky.social First Friday of the Month
Find your local meeting or start your own!
https://www.2600.com/meetings
Drew @hoodoer @hoodoer.bsky.social AppSec pentester type at
Blackthorne Consulting.
Beach bum. Super awesome dad.
Coder of weird things.
https://github.com/hoodoer
Blenster π
@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.
Doug Rodgers @pandatrax.bsky.social Staff SecEng @mongodb
Recovering vim user that his way out of nano. Prefers r2 over gdb.
Soldier of FORTRAN @mainframed767.bsky.social Mainframe pentester extraordinaire. I'm not really here though. Catch me over on mastodon @mainframed767@infosec.exchange
Enjoy hell site 2.0
Fight for the Future @fightforthefuture.org π Battling techno-fascism with our Internet-savvy blend of attention-grabbing activism and mass mobilization.
https://www.fightforthefuture.org/2026
Eric Capuano @eric.zip - Dad of two <3
- Co-founder Recon InfoSec
- SANS DFIR Instructor
- BlackHat Trainer
- IANS Faculty
- Trainer @digitaldefenseinstitute.com
- Blog: https://blog.ecapuano.com
- ⬑ ODESZA, Lane 8, Kasbo π§
- β€ @whit.zip
Jake Williams @malwarejake.bsky.social Breaker of software, responder of incidents, IANS Faculty, VP R&D Hunter Strategy.
Azeria @azeria-labs.com Founder of Azeria Labs, Trainer, Author of Blue Fox: Arm Assembly Internals & Reverse Engineering
@lodrina.bsky.social @lodrina.bsky.social "liberal arts section of the computer underground" -j. menn
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 π»
John Hammond @johnhammond.bsky.social Hacker. Friend. Cybersecurity Researcher at Huntress.
Conrad @ericconrad.com SANS Fellow, CTO of Backshore Communications, GIAC GSE #13, SABR member, golden age arcade restorer. Peaks Island, Maine
Lenny Zeltser @lennyzeltser.com Builder of security products and programs. Teacher of those who run them.
https://zeltser.com
Tim Medin @timmedin.bsky.social Kerberoast Guy β’ RedSiege CEO β’ Hater of Pants β’ Former SANS 560 Author, Senior Instructor β’ Packers owner β’ Work Req: http://redsiege.com/contact
Mike Saunders πΊπ¦ @hardwaterhacker.bsky.social Photographer. Lover of the outdoors. Musician.
Red Siege Principal Consultant so I can pay for my hobbies.
#PhotographersUnited <- Check out this great community!
IG: https://www.instagram.com/hardwaterhacker/
Jeff McJunkin @jeffmcjunkin.bsky.social IT generalist with an infosec slant. Testing out the new hotness over here.
Phil Hagen @philhagen.com DFIR, security, networking, all things tech, OneWheel, Radinn, travel, LEGO, and probably a whole lot more in small and sporadic bits. (Squirrel!)
Fierce and unapologetic ally. He/him/his.
Lee Whitfield @dfirlee.bsky.social DFIR, LEGO, Manchester United, Marvel, Technology, xLights
Phill Moore @phillmoore.bsky.social 
Carlos Perez @thedarkoperator.bsky.social - Cybersecurity since 1998
- Information Security jack of all trades
- Hacker
https://www.darkoperator.com
DDI Training @digitaldefenseinstitute.com Advanced Cybersecurity Training provider focusing on security operations, threat hunting, digital forensics, and incident response. Learn more: https://digitaldefenseinstitute.com
Markus @mascho.bsky.social π» Blue Team Training @ Blue Cape Security
Matt Bromiley @bromiley.io βοΈ AI Security R&D @ Prophet Security
π IR/TH/Incident Management Instructor
ποΈ Frequent Guest on Cybersecurity Defender's Podcast
π Where to Find Me: https://github.com/bromiley
Mike Cohen @greatcoffee.org Mike is a digital paleontologist working on velociraptor
Taggart @taggart-tech.com @mttaggart@infosec.exchange. Displaced Philly boy. Executive Director of @ifin-intel.org. Threat hunter. Educator. Dad. General in the AI Resistance.
taggartinstitute.org
wtfbins.wtf
linktr.ee/mttaggart
Nicolas GrΓ©goire @agarri.fr Web hacker π
Burp Suite Pro trainer π¨βπ«
Maintainer of @mastering-burp.agarri.fr π οΈ
Mehmet Ergene @cyb3rmonk.bsky.social https://academy.bluraven.io
Threat Hunting & Research, Detection Engineering | Microsoft Security MVP
#KQL #DFIR #DataScience
All is one.
Opinions are my own
http://posts.bluraven.io
https://github.com/Cyb3r-Monk/Threat-Hunting-and-Detection
Adam Shostack @adamshostack.bsky.social Threat modeling. BH Review Board. Affiliate Professor, UW. Fixed autorun. Helped create CVE.
Not sure why we're building graphs on yet another (effectively) centralized system. https://infosec.exchange/@adamshostack
Adam Harrison @harrisonamj.com Digital Forensic Investigator, Incident Responder, HAM, ambassador for flip-flops and purveyor of fine Dad Jokes. #DFIRFit
Maddie Stone @maddiestone.bsky.social Security Researcher at Google Project Zero. 0-days all day. Love all things reverse engineering. she/her
Jeff Moss @thedarktangent.bsky.social thedarktangent@defcon.social
Electronic Frontier Foundation @eff.org We're the Electronic Frontier Foundation. We're a nonprofit that fights for your privacy and free speech online. Find all of EFF's social media accounts at eff.org/social.
π΅πΉ snipe, lixo tΓ³xico βββββ @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 π΅πΉ. #Laravel #FOSS
π snipe.net
π snipe.pt
π @snipe@hachyderm.io
Whitney Champion πͺ @whit.zip security architect / co-founder @digitaldefenseinstitute.com / co-founder Recon InfoSec
β₯β₯β₯ == @eric.zip, nerdery, rainbows, sweatpants
she/her | mama of 3 | π€ππΏππ
unicorns.lol
https://short-stack.net
whitneychampion.com/portfolio
Boring Manager Rob π
@bourboninexile.bsky.social I do things at Graylog and BSides Orlando. Will run for Disney swag and free bananas. Privacy fan. Husband, dad, nerd, he/him. Veilid fanboy π
BSides Las Vegas @bsideslv.org BSides Las Vegas will take place August 3-5, 2026
Las Vegas Β· bsideslv.org
Social Engineering Community @secdefcon.bsky.social Social Engineering Community (SEC) village
https://se.community/
Jayson E. Streetππ€π @jaysonstreet.bsky.social Hacker - Helper - Human
JaysonEStreet.com
SteveD3 (Steve Ragan) @steved3.io Father. Grandpa. Geek. Hacker. Former journalist. Security researcher. CMO @BSidesLV.org Member: Curated Intel 
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
Matt Burgess (WIRED) @mattburgess1.bsky.social Security writer @wired.com
Cybercrime, privacy, surveillance, and more.
Signal: mattburgess.20 | Email: matt_burgess@wired.com
Matt Blaze @mattblaze.org Scientist, safecracker, etc. McDevitt Professor of Computer Science and Law at Georgetown. So-called expert on election security and a few other things. Slow photographer. RF nerd. Occasionally blogs at https://mattblaze.org/blog
Andrew Couts @couts.bsky.social Security & Investigations Director at @WIRED.com. Send tips and/or dog pics.
Signal: couts.01
Hackers On Planet Earth π³οΈβππ³οΈββ§οΈ @hope.net HOPE Conference
The New Yorker Hotel
August 14-16, 2026
NY, NY
https://hope.net
Exploit Code Not People @cooperq.com Cybertiger. Senior Staff technologist at @eff.org Fellow @citizenlab.ca Board member @openarchive.bsky.social. "Noted activist security type." Anti-fascist. he/him. My skeets do not represent views of my employers β΅£π΄ signal: cooperq.01
lintile @lintile.lol now available as a browser extension
Phillip Wylie @phillipwylie.bsky.social Offensive Security Professional | Phillip Wylie Show Podcast Host | The Pentester Blueprint coauthor | TribeOfHackers Red Team | https://linktr.ee/phillipwylie
Kelsey Hightower @kelseyhightower.com Minimalist
Hexadecim8 @hexadecim8.com Author | spooky trans athlete | Linux behavioral threat researcher | never hacked nobody
https://hexadecim8.com
David Oxley @oxley.io Interim head of information security at Anduril Industries. @CitizenLab.ca Research Fellow. Former federal agent. Fan of space, books, cyberpunk, sci-fi, espionage history, and storms. Personal account. πΊπΈ πΊπ¦ πΉπΌ #ThreatIntel
Storm chasing πΈ πͺοΈ: @wxdox.com
Marcus Hutchins @malwaretech.com threads.com/@malwaretech
https://linkedin.com/in/malwaretech
https://marcushutchins.com
Runa Sandvik @runasand.bsky.social Founder of Granitt, securing journalists and at-risk people around the world. 
John Scott-Railton @jsrailton.bsky.social Chasing digital badness. Senior Researcher at Citizen Lab, but words here are mine.
Selena Larson @selenalarson.bsky.social loves dogs, sports, memes. she/her. podcaster. "bluesky's humblest resident nailfluencer π
" - Jerry
my heart is in the west π΅π views mine.
Kevin Beaumont @doublepulsar.com cybersecurity weather man. scanning the horizons for cloudy cyber. Expert at nothing except computer rubbish. Anti-ransomware since 2015.
Marc Rogers @cjunky.bsky.social Ramblings of a Mad Englishman: Hacker @ BBC's Real Hustle & Mr Robot. Head of Sec @ DEF CON. Founder @ CTI-League, Ransomware Taskforce, w00w00, CDC NSF, (He/Him).
Also
Twitter @marcwrogers
Mastodon cj@chaos.social
Patrick Gray @patrick.risky.biz https://risky.biz/
John Hultquist @hultquist.bsky.social Mandiant Intelligence at Google. CYBERWARCON and SLEUTHCON founder. Johns Hopkins professor. Army vet.
Danny Moore @moore.bsky.social Cyber-warfare | PhD from KCL | Author of 'Offensive Cyber Operations' | Security @ Meta 
Bill Marczak @billmarczak.org senior researcher at @citizenlab.ca
Allan βRansomware Sommelierβ Liska @ransomwaresommelier.com Recorded Future - Ransomware Researcher
Owner @greenarcher.io - Yours Truly, Johnny Dollar | The Press Guardian | The Clock | The Green Archer
Weird mix of security, comics, photography and wine!
www.greenarcher.io
J. A. Guerrero-Saade (JAGS) @jags.bsky.social VP of Intelligence and Security Research, Senior Technical Fellow (AI) @ SentinelOne.
Distinguished Fellow and Adj Professor @ Hopkins SAIS Alperovitch Institute. Three Buddy Problem Co-Host. LABScon Founder, Cyber Paleontologist, Fourth-Party Collector.
David Agranovich @dagrano.bsky.social Fmr. NSC Director, Intelligence. Director, Threat Disruption @ Meta. Rescue Dog Pilot, Flight Instructor, Former Big Hair Practitioner π³οΈβπ
Joe Slowik @pylos.co Threat Intel / CTI / OT / ICS / Critical Infra stuff along with other things. I genuinely care, and wish others did too.
Website: pylos.co
Training/Consulting: paralus.co
Shane Huntley @shanehuntley.bsky.social Aussie security / tech guy.
Google Threat Intelligence. Co-founder Threat Analysis Group (TAG). Tweets are my own not my employers.
Silas Cutler @silascutler.bsky.social You may know me from your server logs.
#Malware, Hacks, Internet Scanning, #CTI
Will T @bushidotoken.net π¬π§ | Senior Threat Intelligence Advisor at Team Cymru | Co-author SANS FOR589 | Co-founder Curated Intel