DEF CON NextGen @defconnextgen.bsky.social Official account for the DEF CON Next Generation initiative
We are helping to support and empower the next generation of hackers, makers, and world shakers🦝🌟
Cynthia Brumfield @metacurity.com DC resident and cybersecurity writer, analyst, book author, publisher. https://metacurity.com/ https://cyberriskbook.com/
https://www.csoonline.com/profile/cynthia-brumfield/ https://infosec.exchange/@metacurity
Send tips to Cynthia.507 via Signal.
WeRateDogs @weratedogs.com Your Only Source For Professional Dog Ratings
nonprofit: @15outof10.org ❤️🩹
links.weratedogs.com
Sec Conferences @secconferences.bsky.social Sec Conferences brings together cybersecurity professionals, thought leaders, and innovators through premier InfoSec events like Hack Space Con and Hack Red Con. Dedicated to fostering collaboration, and advancing knowledge.
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
Janelle Shane @janelleshane.com I write about the strange side of AI at aiweirdness.com
Also a laser scientist.
She/her. Colorado, USA
Popehat @kenwhite.bsky.social Defunct account of Ken White, criminal defense attorney and First Amendment litigator. Co-host of Serious Trouble podcast and writer at The Popehat Report. Opinions here are my own. Decent people fight evil.
Signal: KenWhite.1969
Marcus Hutchins @malwaretech.com threads.com/@malwaretech
https://linkedin.com/in/malwaretech
https://marcushutchins.com
ShmooCon @shmoocon.bsky.social Jan 10-12, 2025
Washington, D.C.
Less 🫎 Than Ever
This account is mostly used to push information. Got questions? Email us at info @ shmoocon.org.
Jeff Moss @thedarktangent.bsky.social thedarktangent@defcon.social
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
HD Moore @hdm.io runZero & Metasploit
Taylor Banks @taylorbanks.bsky.social ATLien autodidact child hacker, dropout, sober former junkie turned career cybersecurity with govt clearance, trainer, mentor, community builder, lover of diverse ideas, DC404 founder and RV nomad cum Colorado volunteer firefighter, EMT, & SAR.
DC404 @dc404.bsky.social https://dc404.org/
Black Hat @blackhatevents.bsky.social The world's premier Technical Cybersecurity Conference Series
The Real Wh1t3Rabbit @wh1t3rabbit.bsky.social Beliefs firmly grounded in faith and reality.
Cyber security since before it was a discipline.
I'm not here to coddle your ignorance.
DEF CON Scavenger Hunt @defconscavhunt.bsky.social https://www.defconscavhunt.com/
https://x.com/DefConScavHunt
BSides Las Vegas @bsideslv.org BSides Las Vegas will take place August 3-5, 2026
Las Vegas · bsideslv.org
@mikko @mikko.bsky.social Fighting malicious use of technology.
the grugq @thegrugq.bsky.social 
Dark Reading @darkreading.bsky.social One of the most widely read and trusted cybersecurity news sites, providing IT security professionals informed insights into the latest news and trends.
Brett Belding @bbelding.bsky.social 1980 is my favorite year, followed by 2021 and 2022.
Dawgs | Pats | Braves | Hawks | United
Koto @kkotowicz.bsky.social Security ninja wannabe / board game geek / photon catcher
Aaron Portnoy @aaronportnoy.bsky.social Hacker-in-Residence @ Dartmouth College; Program Director, Applied Research @ IBM
@tvargasciodb.bsky.social @tvargasciodb.bsky.social 
@tqbf.bsky.social @tqbf.bsky.social 
Tim VanDeWal @vandewal.bsky.social 
SwiftOnSecurity @swiftonsecurity.com computer security person. former helpdesk
Matthew Garrett @mjg59.eicar-test-file.zip Former biologist. Actual PhD in genetics. Security, OS security teaching at https://www.ischool.berkeley.edu.
Blog: https://codon.org.uk/~mjg59/blog
Signal: @mjg.59
He/him
Opinions expressed here are mine, not my employer's
Amanda Drury @druryal.bsky.social Nurse | PhD | Professor | Fulbright Alum
Interests: Cancer Survivorship, PROMS, QoL, Mixed Methods | EU Cancer Mission Board | ECICC working group | Own views
Robert Graham @erratarob.bsky.social @erratarob on the hellscape site
Haroon Meer @haroonmeer.canary.love Security Geek. We build Thinkst Canary - https://canary.tools
Alex Stamos @stamos.org CPO/CSO of Corridor.dev, teaching at Stanford.
Christopher Soghoian @christopher.soghoian.net Previously: Senior Advisor for Privacy and Cybersecurity, Office of Senator Ron Wyden.
I Am The Cavalry @iamthecavalry.org 
Beau Woods @beauwoods.com hack all the cybers- M @mmurray.bsky.social @mmurray.bsky.social
- J Jeff Bollinger @jeffbollinger.bsky.social
SANS.edu Internet Storm Center @sansisc.bsky.social http://isc.sans.edu - Global Network Security Information Sharing Community - Daily blogs and cyber security news podcast.
Threatbutt @threatbutt.bsky.social Threatbutt - defense in derpth against threatening threaty threats
Ian Amit @iiamit.bsky.social CEO & Co-Founder. Entrepreneur, hacker, executive, and general trouble maker/seeker/solver.
Board member @BSidesLV. Keynote speaker. Views are my own.
PasswordResearch.com @pwdrsch.bsky.social Authentication and password security news gathered by Bruce K. Marshall. See PasswordResearch.com for a collection of password research papers and statistics. Also active on https://www.reddit.com/r/Passwords/
Per Thorsheim @thorsheim.bsky.social Founder of #PasswordsCon. Above average interested in passwords & digital authentication. Online since 2400baud. I made the world use RFC 3207 STARTTLS for email encryption.
Skytalks @skytalks.bsky.social Skytalks is a ‘sub-conference’ that gives a unique platform for researchers to share their research, for angry hackers to rant about the issues of their industry, and for curious souls to probe interesting issues, all off-the-record https://skytalks.info/
Deviant Ollam ツ @deviantollam.bsky.social Philadelphian in Cascadia. Vociferous champion for Oxford commas, two spaces after a period, and ellipses. I break into buildings. 🔓
"Even if the world were ending tomorrow, I would still plant a tree." 🌲
(he/they)
Ben Ten (0xA) @ben0xa.bsky.social Christian, Director of Training Operations @TrustedSec, Defender, Developer, Gamer, Creator of the @ImpedeDetection Platform || Views are my own!
HᴀᴄᴋSᴇᴄ @hacksec.bsky.social A "HackSec" (abreviação de "Hacker Security") geralmente se refere a uma área que envolve a segurança cibernética, hacking ético e práticas de proteção de dados e sistemas contra ameaças cibernéticas.
https://www.kwai.com/@hacksec
Space Rogue @spacerog.bsky.social I fight for the user. | L0pht Heavy Industries - ATStake - Whacked Mac Archives - Hacker News Network - Cyber Squirrel 1 | Semgrep
Chris Nickerson @indi303.bsky.social Red Teamer, Business Owner, Hacker, CEO, Investor, Cybersecurity, dog dad, Lares, Breachquest, Liability, B-sides co-founder, @TEDalumni , kinda canadian, #303
Travis Goodspeed @travisgoodspeed.bsky.social Author of books and tools for reverse engineering. Studebaker driver, but an awful mechanic. Home chip decapsulation.
Currently writing a new assembler, to be released in February.
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
The Shadowserver Foundation @shadowserver.bsky.social Our mission is to make the Internet more secure by bringing to light vulnerabilities, malicious activity and emerging threats. Join our Alliance!
https://shadowserver.org/partner
@infosecjerk.bsky.social @infosecjerk.bsky.social 
Dave Shackleford @daveshackleford.bsky.social SANS, IANS, Voodoo Security. So many other things, too. 
lee holmes @leeholmes.bsky.social 🏁AF & AM 🏴☠️K∴T∴S∴K∴L33🏴32°
sarah jeong @sarahjeong.bsky.social journalist and lawyer based in Portland, OR.
Mark Hamill @markhamillofficial.bsky.social Believe in yourself! Work hard, never give up & anything's possible! OR: Kick back, relax & aim low: You'll never be disappointed...😜
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.
R.D. Clarke @1o57.bsky.social 1057. Hacker. Scientist. Engineer. Synthesizer Enthusiast. Mathematician. May have created a puzzle or two. Not a huge fan of the CCP or cruelty. Antiquarian adventurers await. 
Pwnallthethings @pwnallthethings.bsky.social Just thinking out loud.
@inteltechniques.bsky.social @inteltechniques.bsky.social 
cackalackycon @cackalackycon.bsky.social Technology Conference / HackerCon in Raleigh, NC
May 14-16, 2027
https://cackalackycon.org
#infosec #cybersecurity
Have I Been Pwned @haveibeenpwned.com Check if you have an email address or password that has been compromised in a data breach. Created and maintained by
@troyhunt.com.
MuckRock @muckrock.com The easy way to request and share public records, making government more transparent and democracies more informed.
Learn more: https://www.muckrock.com/
📪 Sign up for our newsletter: https://www.muckrock.com/newsletters
ThinkstCanary @thinkstcanary.canary.tools Know. When it matters.
https://canary.tools
Paul Szoldra @paulszoldra.com Managing Editor @thewarhorsenews.bsky.social 🇺🇸 Marine vet. National security reporter & editor. Former EIC @taskandpurpose.com. Founder of @duffelblog.com. More: https://www.paulszoldra.com
John Lambert @johnlambert1.bsky.social 
CSOonline @csoonline.bsky.social CSO empowers enterprise security leaders with critical insights to stay ahead of threats. Covering #cybersecurity from #riskmanagement to #networkdefense, we provide the expertise needed to defend against cybercrime.
BadThingsDaily @badthingsdaily.bsky.social THESE 👏 TWEETS 👏 ARE 👏 FICTION👏
This account tweets fictional or headline inspired breach scenarios.
To play: Share opinions on prevention or response steps.
Word fence @wordfence.bsky.social 
David Maynor @davemaynor.bsky.social threat intelligence and R&D
Adriana Porter Felt @apf.bsky.social I like writing silly skeets, but that doesn't pay so I also make Google Chrome. mamá, Eng Director, volunteer at Second Harvest. 🇺🇲🇨🇷
Twitter: @__apf__
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
The Citizen Lab @citizenlab.ca We are an academic research unit at the University of Toronto investigating novel threats to democracy, human rights, and global security in the digital ecosystem.
JoshCorman @joshcorman.bsky.social Philosopher-Strategist-Protector… more later 
Anton Ivanov @batailleordie.bsky.social More famous than Berlusconi
https://sarkapublishing.com/anton-ivanov
Zlatty @zlatty.com Cycling, cyber, plant based
Gadi Evron @gadievron.bsky.social CEO & Co-Founder at Knostic, CISO-in-Residence for AI at Cloud Security Alliance. Former Founder @Cymmetria (acquired). Host at Prompt||GTFO. Threat hunter, scifi geek, dance teacher. Opinions my own.
Nicole Perlroth @nicoleperlroth.bsky.social cyber raconteur | author THIS IS HOW THEY TELL ME THE WORLD ENDS | former @nytimes | now betting on heroes @ Silver Buckshot Ventures + Venture Partner at Ballistic Ventures.
Carlos Perez @carlosperez.bsky.social iOS developer working on SongShift.
@andygreenphd.bsky.social @andygreenphd.bsky.social 
Christopher Burgess @burgessct.bsky.social 30+yrs w/CIA🕵️♂️ | ✍️ Burgess Writing: NatSec/Espionage/Insider/Cyber and more | Co-Author Book 📕 Secrets Stolen Fortunes Lost
https://www.burgessct.com/about/bio-christopher/
Thoughts of a Dog @dogfeelings.bsky.social Scrappier version of my X counterpart and frienemy
AND!XOR @andnxor.bsky.social We make stuff. We drink beer. In no particular order. #mattdamon
Zack Argyle @handle.invalid Bookborn’s husband. Award-winning fantasy author. Founder of the Indie Fantasy Fund and Epic Fantasy Audiobooks. SPFBO Finalist.
linktr.ee/zackargyle
TankerTrackers.com, Inc. @tankertrackers.com Trusted by maritime insurers, oil producers & traders, finance, governments and top news orgs to track down oil shipments. Vessel pronouns are she/her. Got it?
Joanna Rutkowska @rootkovska.bsky.social https://tracesofhumanity.org
Previously: Golem Foundation/Wildland, Qubes OS, hardware/virtualization/OS security research.
harmj0y @harmj0y.bsky.social Researcher @SpecterOps. Coding towards chaotic good while living on the decision boundary. #dontbanequality
Joe Gray aka JOSINT @c3pjoe.bsky.social Threat Intel; Author: @nostarch; 5x Black Badge; Views: my own; https://nostarch.com/practical-social-engineering
Whitney Merrill @wbm312.bsky.social 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.
Andy Ellis @csoandy.bsky.social Author, Leader, Technologist, Security, Time Person of the Year
0xdeadbeefJERKY @0xdeadbeefjerky.com Detection Engineer @ Meta
Former Security Engineer @Lacework, Red Teamer @ Meta and security consultant
@erichkron.bsky.social @erichkron.bsky.social 
Kitboga @kitboga.bsky.social kitboga.com
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. 🏳️🌈
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/
Dirk-jan @dirkjanm.io 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- P Phil Venables @philvenables.bsky.social
Matthew Green @matthewdgreen.bsky.social I teach cryptography at Johns Hopkins. https://blog.cryptographyengineering.com