The Official Pulpit of CULT OF THE DEAD COW @cultdeadcow.com www.cultdeadcow.com
MITRE ATT&CK @attack.mitre.org MITRE ATT&CK® - A knowledge base for describing the behavior of adversaries. Replying/Following/Reposting ≠ endorsement.
Chris Hayes @chrislhayes.bsky.social Bronx boy. Cubs fan. Dad, husband, writer, podcaster and cable news host.
The Sirens’ Call: How Attention Became the World’s Most Endangered Resource out now.
https://sirenscallbook.com/
cactuscon @cactuscon.com Arizona's hacker con. CactusCon 14: Feb 6-7, 2026 in beautiful Mesa, AZ. https://cactuscon.com + LinkedIn, X, Mastodon
Glitch @thatglitchtho.bsky.social DFIR/Security Engineer
Blue Team Village Contest Curator
Support your local DEF CON group [DCG909]
Secure all the things
Amateur astrophotographer
ricky 🎶💜🍄 @0xpsilocyber.com Cloud Security Response @ Google 🕵️♂️
Husband & dog / cat dad 🐕🐕🦺🐈⬛🐈
Gamer & Music nerd 🎵🎮
using this as a music / thought journal, always happy to chat about DFIR or SecOps stuff, dm me.
Ars Technica @arstechnica.com Original news, reviews, analysis of tech trends, and expert advice on the most fundamental aspects of tech.
cje @cje.io founder @bugcrowd && co-founder @disclose_io || hacker, entrepreneur, executive, advisor || عصا موسى || #w00w00
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
Make It Hackin @makeithackin.bsky.social Maker, Hacker, Engineer.
TikTok/YouTube/Snapchat/Instagram and other links below:
https://beacons.ai/MakeItHackin
Mastodon -> Bluesky user lookup/follow app:
https://skeeter.streamlit.app/
Johnny Xmas @j0hnnyxm4s.johnnyxmas.net We’re sorry, but until civilization decides to begin prosecuting child molesters and cannibals, this account will no longer be capable of being kind to people. Please kindly fuck all the way off.
Rob Fuller @mubix.com (he/him) Dad / Husband / Marine / Student / Teacher / @Hak5 / @NoVAHackers / @SiliconHBO / @NationalCCDC / @MARFORCYBER Auxiliary
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
@egyp7 @egyp7.bsky.social I like juggling, Bash, chess puzzles, and good exploits. Worked on Metasploit for some years. 💙💜🩷
@egypt@mastodon.social
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
Beau Woods @beauwoods.com hack all the cybers
Robin @digi.ninja Hacker, coder, climber, runner, triathlete.
Always learning.
Co-flounder of SteelCon
tactical_legacy_kirbo @da667cant.hax.lol Senior Security Researcher, Proofpoint Emerging Threats. I stare at pcaps all day, and use my pattern-seeking scattered hunter-gatherer brain, to write IDS signatures. I'm also a huge fuckin nerd. Obligatory My words are not fit for consumption warning.
Tim Medin @timmedin.bsky.social Kerberoast Guy • RedSiege CEO • Hater of Pants • Former SANS 560 Author, Senior Instructor • Packers owner • Work Req: http://redsiege.com/contact
HD Moore @hdm.io runZero & Metasploit
pyr0.bsky.social @pyr0.bsky.social Dad, Hacker, Hunter, Off Grid Nerd.
Miss Jackalope @missjackalopedj.bsky.social Drum and Bass + electro + basshouse DJ // Twitch.tv/MissJackalope // Legendary Merch MissJackalope.store // DEF CON Resident DJ // YouTube.com/@missjackalope for claw games and DJ replays and Japan fun
Joshua Wright @joswr1ght.bsky.social Professional hacker, accidental educator. Rhode Island is not an island.
Jabawack81 @internetblacksmith.dev Someone who's trying to power through life one day at a time.
Rolling a 20 with each post sometimes is a crit, sometimes is a nat 20
George Takei @georgetakei.bsky.social Husband, Actor, Activist, Uncle George to the Internet 🖖
Jeff Moss @thedarktangent.defcon.social.ap.brid.gy Founder of DEF CON & Black Hat. Maintainer of infocon.org.
Member of the UK Gov Cybersecurity Advisory Board & The Council on Foreign Relations.
Working to […]
🌉 bridged from ⁂ https://defcon.social/@thedarktangent, follow @ap.brid.gy to interact
Jeff Moss @thedarktangent.bsky.social thedarktangent@defcon.social
Nicole Schwartz @circuitswan.bsky.social Brains are inversely proportionate to common sense - me, Nicole Schwartz. Formerly known as AmazonV. she/her
@DianaInitiative @dcskytalks
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.
Women in Security and Privacy (WISP) @wisporg.bsky.social Women In Security and Privacy (WISP) — Advancing women and underrepresented communities to lead the future of security & privacy | Nonprofit organization open to everyone
www.wisporg.com
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
Retro Tech Dreams @retrotechdreams.bsky.social Retro tech, early web & vintage computing. 80s, 90s, 2000s nostalgia. Follow for daily posts.
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
🇮🇪 🇬🇧 🇺🇸 
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
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__
Deth Veggie @dethveggie.bsky.social Herr Doktor Professor Deth Vegetable -- CULT OF THE DEAD COW -- .ooM
Hacker / Archaeologist / Gadabout / Professional Something-or-Other. Anti-fascist and Pro-science. As the old axiom says, reality has a liberal bias.
Nazis need to be punched.
Tarah Wheeler @tarah.org CSO of TPO.group ♦️ EFF Board of Directors♦️she/her ♦️ bestselling author but only that one time
B. Smalls @bigendiansmalls.com Minneapolis
Minnesota noice
Jake Williams @malwarejake.bsky.social Breaker of software, responder of incidents, IANS Faculty, VP R&D Hunter Strategy.
Elizabeth Wharton @lawyerliz.bsky.social Adviser, lawyer, and sometimes cybersecurity circus ringmaster - my monkeys fly.
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
“Ut scandis, alios subleva.”
Maddie Stone @maddiestone.bsky.social Security Researcher at Google Project Zero. 0-days all day. Love all things reverse engineering. she/her
Lock Down Your Life @lockdownyourlife.com Privacy Architect/Online Safety Strategist/#OSINT Investigator • 🔞 21+NSFW 🌶 She/Her
All My Links: https://beacons.ai/lockdownyourlife
Paylinks, wishlist, Spicy 👇🏻
https://linktr.ee/lockdownyourlife
bat 🦇🌻 @mzbat.bsky.social Security Consultant & Founder, Sonar Security | Red Siege, VMware Tanzu, NASA GSFC, Apple, 18F | art, lego, board games, comics, cute animals |🧛🏻♀️⛵️
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
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 🌻
SteveD3 (Steve Ragan) @steved3.io Father. Grandpa. Geek. Hacker. Former journalist. Security researcher. CMO @BSidesLV.org Member: Curated Intel 
Ann Johnson @ajohnsocyber.bsky.social Cyber. Family. Dogs. Reading. Music. Baking. Cooking. Gardening. Pro sports. At Mastercard. But posts are just me.
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/
Rowdy @r0wdy.sk33t.expert electric callboy
Nate Warfield @n0x08.bsky.social Network Security | Hacker | WIRED25 2020 | CTI-League Founder | Security Researcher
Kym Possible @kympossible.bsky.social Job Status: HBIC at @zatik.io
I’ve kissed mermaids, rode the El Niño
Protect Trans People 🏳️⚧️
Sherrod @sherrod.bsky.social It’s me. Sherrod DeGrippo 
InfoSteph (92%) @stephandsec.com She/Her. Cybersecurity Educator & Engineer. Writer. Keynote Speaker. LinkedIn Learning Author (150K+ learners). Neurospicy (ADHD). Sharing insights to inspire growth and connection. Black and proud.
Stephandsec.com
Jess 'GirlGerms' Dodson @girlgerms.wtf SecOps Witch 🔮
Lego zealot & Blizzard tragic 🎮
Slave to 7yo terror 👶
Australian based 🦘
Provider of sarcasm & profanity 🤬
she/her ♀️
Views ALL MINE 💜
https://linktr.ee/girlgerms
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
UK_Daniel_Card @mrr3b00t.bsky.social 
Lisa Forte @lisaforte.bsky.social Cyber security, climbing, caving and diving! 💜
Graham Christensen @grahamc.com determinate.systems. Nix obsessed.
he/him
📻 no5ig
rand0h @akacki.net https://wsiiax.myshopify.com / Goon / Degenerate / KD3CHT / Akacki.net / DEFCON610.org
Matt Johansen @mattjay.com Friendly neighborhood cybersecurity guy | expect infosec news, appsec, cloud, dfir. | Long Island elder emo in ATX.
vulnu.com <- sign up for my weekly cybersecurity newsletter
Jayson E. Street💜🤗💜 @jaysonstreet.bsky.social Hacker - Helper - Human
JaysonEStreet.com
DilDog 🅅 @dildog.l0pht.com Tech Dysangelist
cDc/hack.xxx/Veilid
Support Veilid! Badge: 🅅 www.veilid.com
Merch at: @hack.xxx
he/him/"hey buddy"
Azeria @azeria-labs.com Founder of Azeria Labs, Trainer, Author of Blue Fox: Arm Assembly Internals & Reverse Engineering
🇵🇹 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
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)
the grugq @thegrugq.bsky.social 
Runa Sandvik @runasand.bsky.social Founder of Granitt, securing journalists and at-risk people around the world. 
Leigh Honeywell @hypatia.bsky.social Security, diversity, housing, Canadian stuff 🇨🇦. Cofounder and CEO of @tallpoppy.bsky.social; more at leighhoneywell.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. 🏳️🌈
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
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
Alex Stamos @stamos.org CPO/CSO of Corridor.dev, teaching at Stanford.
Matthew Green @matthewdgreen.bsky.social I teach cryptography at Johns Hopkins. https://blog.cryptographyengineering.com
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
Katelyn 🅅 Medusfour @medus4.com Activist, Hacker cosplayer, Artist. Data economy abolitionist.
@cdc_pulpit Sinfluencer, Head of Humanity @ Veilid, designer of weird shirts at hack.xxx
I love gross terrifying things. Because I am one
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
Pwnallthethings @pwnallthethings.bsky.social Just thinking out loud.
SwiftOnSecurity @swiftonsecurity.com computer security person. former helpdesk
Linus Tech Tips @linusmediagroup.com The official Bluesky of the Linus Tech Tips YouTube channel.
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
Mike McCue @mmccue.bsky.social Co-founder, CEO Flipboard
Host of DotSocial Podcast
Check out my custom feeds in the feeds tab
Made with surf.social beta
Also
Flipboard @mike.flipboard.com.ap.brid.gy
Mastodon @mike.flipboard.social.ap.brid.gy
Pixelfed @mmccue.pixelfed.social.ap.brid.gy
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.
Bluesky @bsky.app official Bluesky account (check username👆)
Bugs, feature requests, feedback: support@bsky.app