bk @kolczyn.ski Security and insecurity things.
Anderson Nascimento @andersonc0d3.bsky.social Director & Security Researcher @alleleintel.com
Blog: https://blog.andersonc0d3.io
SSD Secure Disclosure @ssd-disclsoure.bsky.social SSD provides the quick and responsible way to get zero-day vulnerabilities reported to vendors.
Visit https://ssd-disclosure.com/ for more information.
—>realhackhistory.org @bsky.realhackhistory.org O͖̺͊̕͡ͅfficial 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/
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
Jason Koebler @jasonkoebler.bsky.social Journalist @404Media.co
Signal: jason.404 // email: jason@404media.co
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.
Jason Scott @textfiles.com Free-Range Archivist at the Internet Archive. TEXTFILES.COM guy. Documentary and Podcast creator. Troublemaker.
Joseph Menn @joemenn.bsky.social Washington Post alum covering hacking, disinformation and what’s left of privacy. Author of books on the Cult of the Dead Cow, organized criminal hacking, and Napster. Pulitzer co-finalist 2024. Signal joemenn.01
the grugq @thegrugq.bsky.social 
Distributed Denial of Secrets @ddosecrets.org DDoSecrets is a 501c3 journalist non-profit devoted to publishing and archiving leaks and other data in the public interest.
DDoSecrets.org
LibraryOfLeaks.org
https://en.wikipedia.org/wiki/Distributed_Denial_of_Secrets
DonorBox.org/ddosecrets
tweety fish @sifu.tweety.fish at different times:
haxx0r in cDc
PhD in using people for ML and vice versa
"theory of mind for autonomous cars" startup guy would you believe, went kablooie
at present: newsletter -- buttondown.email/apperceptive
&c music, politics, nonsense
Gabriella "Biella" Coleman @biella.bsky.social Professor of Anthropology @Harvard, Hacker Studies & More https://gabriellacoleman.org/
AJ Vicens @ajvicens.bsky.social Cybersecurity correspondent at Reuters; former Mother Jones, CyberScoop. Will bore you with skateboarding, UFO lore or Denver Broncos minutiae on request. Signal: ajvicens.57, additional contact methods: https://tinyurl.com/47jc45h7
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
Violet Blue® @violetblue.bsky.social Awarded author, journalist: cybersecurity, privacy, Covid. WIRED, PopSci, Spinoff, Engadget, FT, IFJ. Visiting Scholar at Stout Research Centre, NZ. Black Hat keynote. S/her.
Bio: about.me/violetblue
More: linktr.ee/viblue
News: patreon.com/violetblue
Ron Deibert @rondeibert.bsky.social Director of The Citizen Lab at the University of Toronto's Munk School of Global Affairs & Public Policy
Author of Chasing Shadows https://chasingshadowsbook.ca/ 
Hexadecim8 @hexadecim8.com Author | spooky trans athlete | Linux behavioral threat researcher | never hacked nobody
https://hexadecim8.com
Ben Collier @susansegfault.bsky.social Senior Lecturer at University of Edinburgh in STS. Criminologist and author of Tor: From the Dark Web to the Future of Privacy. Chair of the Foundation for Information Policy Research. Researching power and harm in digital infrastructure. Pfp Jamie Buchan
Graham Cluley @grahamcluley.com Award-winning #cybersecurity keynote speaker, writer, podcaster | Host of multi-award-winning @smashingsecurity.com podcast.
❤️ #DoctorWho, #Beatles, #Chess
He/him
🌐 https://grahamcluley.com
🎙️ https://www.smashingsecurity.com
The Official Pulpit of CULT OF THE DEAD COW @cultdeadcow.com www.cultdeadcow.com
𝗺𝗼𝗿𝗯 @meson.ninja computer, telecom, coinop, and feline connoisseur
https://plan.cat/~morb
https://github.com/m0rb
linuzifer @linuzifer.bsky.social Ein Teil von jener Kraft, die stets das Böse will und stets das Gute schafft.
@linuzifer@23.social
http://linus-neumann.de
hakan @hatr.bsky.social reporter covering cyber (both crime and state-sponsored) for Der Spiegel and ZDF, short overview at https://linktr.ee/hakantanriverdi, Signal: hakan.25
corgi @c0rg1.bsky.social I hack things
@lodrina.bsky.social @lodrina.bsky.social "liberal arts section of the computer underground" -j. menn
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)
Hackers On Planet Earth 🏳️🌈🏳️⚧️ @hope.net HOPE Conference
The New Yorker Hotel
August 14-16, 2026
NY, NY
https://hope.net
obscure - cDc 🅅 @obscure.bsky.social I am angry, I am ill, and I am as ugly as sin. My irritability keeps me alive and kicking. I know the meaning of life, it doesn’t help me a bit.
cDc Cultee
emma best 🏳️🌈🏴☠️🏳️⚧️ Mxy @emma.best Journalist and historian of intelligence agencies and hacking. Whistleblower and former hacker. Leaking at @DDoSecrets.org. Бáба-Ягá Antifa. (she/they)
Wife of @brazenqueer.bsky.social
Follow me on Mastodon https://kolektiva.social/@Mxy
P.S. Abolish ICE
sshell @sshell.co propane and propane accessories
ai + security research
ccdc red team
SLEUTHCON @sleuthcon.bsky.social Tickets for 2026 are now available!
https://www.sleuthcon.com
Space Rogue @spacerog.bsky.social I fight for the user. | L0pht Heavy Industries - ATStake - Whacked Mac Archives - Hacker News Network - Cyber Squirrel 1 | Semgrep
evilmog @mog.evil.af X-Force, Shenanigans, Hashcat, Church of WiFi, Black Badges, MUDs, Dad Jokes, some Infosec.
Twitter: @evil_mog
Emmanuel Goldstein 🇺🇦 @goldste.in Editor of 2600 Magazine
Coordinator: Hackers On Planet Earth conferences
Host: Off The Hook & Off The Wall radio shows
etc.
ackmage @hermit.sh computer(s)
will you die as you are told? who will you obey?
cursed words spat out by a seething illusion? or the truth within your own soul?
herm.it
github.com/deepseagirl
google dorks @thedorkweb.bsky.social
artwork @halfpotion.bsky.social
(she/any)
TProphet @tprophet.org Founder of @queercon @telechallenge @flyawardcat. Writer @2600, @tribeofhackers.
Every day, my life continues to amaze me.
我是同性恋# 🏳️🌈
Opinions are my own.
Glenn Pegden @glenn.pegden.com Good Guy Hacker, Dad, App Sec / Vuln Man / Pentest specialist and leader, conference organiser, volunteer, speaker and attendee, retro gamer, Blackburn Rovers and Leeds Knight fan ….. hacker
http://Glenn.pegden.com/findmeon
jduck @jduck.me Continuously learning about computer security through research and development.
@gdead.bsky.social @gdead.bsky.social Founder (yikes!), supports @heidishmoo each year as she wrangles @shmoocon, totally done with that other site
Exploding The Phone @explodingthephone.bsky.social The untold story of phone phreaks: the teenagers and outlaws who hacked Ma Bell.
Jeff Richards @jeffrichards.io Cloud • Security • Privacy • AI/ML • Cryptography • Vegan • Animal Rights
Kashmir Hill @kashhill.bsky.social Journalist, currently at The New York Times. I cover privacy, technology, A.I., and the strange times we live in. Named after the Led Zeppelin song. Author of YOUR FACE BELONGS TO US. (Yes, in my head it will always be All Your Face Are Belong To Us)
Scott Shapiro @scottjshapiro.bsky.social Southmayd Prof @YaleLawSch + Philosophy @Yale. Ed, @LegalTheory + Stanford Encyclopedia of Phil. “Legality”, “The Internationalists” (with @oonahathaway), “Fancy Bear Goes Phishing.” Overuses “neurosymbolic”
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 ⵣ🏴 signal: cooperq.01
Raphael Satter @raphae.li Say hi: https://raphae.li or on Signal: raphaelsatter.01
Joe Uchill @joeuchill.bsky.social Potential game show contestant.
Former Axios, The Hill, Passcode. Founder of the Codebook cybersecurity newsletter. Once got lost in a Starbucks.
Catalin Cimpanu @campuscodi.risky.biz ☆ Cybersecurity reporter
★ Newsletters at Risky Business
#infosec #cybersecurity
https://risky.biz
Ryan Gallagher @rjgallagher.co.uk Investigative reporter @Bloomberg.com covering technology & cybersecurity.
Anonymous tips: https://tips.hushline.app/to/ryan
Email: ryan@rjgallagher.co.uk
Signal/WhatsApp: +44 737-678-6842
ryan fae @ryanfae.bsky.social unprofessional account of an investigative reporter (english-language editor @crimew.gay)
ey/they/it/any
give me tips/contact me on signal: rhinozz.1337
Lorax Horne @lorax.bsky.social Editor and writer. Tech critic. Since they are Canadian, would not rule out treachery. Doing work stuff for my local Center for Migrant Worker Rights. Donate to: https://chuffed.org/project/116311-protect-an-open-source-engineer-and-his-family
Donncha Ó Cearbhaill @donncha.is Head of Security Lab - Amnesty International
Hunting spyware and unlawful surveillance targeting activists and civil society.
For help with digital forensics or suspect spyware threats contact: https://securitylab.amnesty.org/get-help/- M Peiter “Mudge” Zatko @mudge.bsky.social DARPA/Google/Stripe/L0pht/Twitter/…/DARPA/[redacted]
https://en.wikipedia.org/wiki/Peiter_Zatko
c-base e.V. @c-base.org Raumstation unter Berlin Mitte
Phrack Zine @phrack.org since 1985
https://phrack.org
Jeff Moss @thedarktangent.bsky.social thedarktangent@defcon.social
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
ℵ₁ @aleph1.underground.org 
deb kavaler @debdebdeb.bsky.social Crypto Wallet Recovery Emergency Responder & Old School Hacker Den Mom. All the rumors are true. (usual disclaimers definitely apply) DMs read.
"Off The Hook" hacker radio show @offthehookradio.bsky.social Since 1988, "Off The Hook" has aired on WBAI 99.5FM in New York City, spreading news of the hacker underground, along with a continuing saga of the developing world of high tech, privacy rights, and Orwellian developments. Hosted by Emmanuel Goldstein.
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.
Winnona @winnona.bsky.social @DistrictCon Founder. Hacker and attorney. @CyberStatecraft / @BelferCenter fellow, ex-Google threat research. Dog mom. Opinions=my own 👩🏻💻
Jordan Wiens @psifertex.bsky.social Binary Ninja dev, Cuber, EUC rider.
Jason Syversen 👾🚀📈🏀💰🫱🏻🫲🏽 @jsyversen.bsky.social Hacker -> DARPA -> Founder -> Investor. Currently CEO of SportsVisio.com, GP at 10X Venture Partners (10xvp.com) Love to connect to new people!
alkali @alkalinesec.bsky.social mobile security / symbolic execution . he / him
@silviocesare.bsky.social @silviocesare.bsky.social 
Arrigo Triulzi @cynicalsecurity.bsky.social IT Security, cynically aged. Maths. Some nukes. Longing for Symbolics and Connection Machines. Keeper of Ancient Computing Lore. Wassenaar intangible Ⓐ
Perri Adams @perrib.us Fmr DARPA Program Manager | Fmrly Organizing DEF CON CTF with Nautilus | RPISEC Alumna | Personal account, opinions my own, RT ≠ endorsement
@herbie-lein.bsky.social @herbie-lein.bsky.social DSU Cyber Operations graduate | software vulnerability research | Minnesota Twins | he/him
Hexacon @hexacon.bsky.social Offensive security conference in the heart of Paris. 10-11th October 2025
https://www.hexacon.fr/
@r0tware.bsky.social @r0tware.bsky.social Degenerate Artist and Professional Computer Nerd.
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
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).
Jayson E. Street💜🤗💜 @jaysonstreet.bsky.social Hacker - Helper - Human
JaysonEStreet.com
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
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
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
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
Sherrod @sherrod.bsky.social It’s me. Sherrod DeGrippo 
SteveD3 (Steve Ragan) @steved3.io Father. Grandpa. Geek. Hacker. Former journalist. Security researcher. CMO @BSidesLV.org Member: Curated Intel 
bat 🦇🌻 @mzbat.bsky.social Security Consultant & Founder, Sonar Security | Red Siege, VMware Tanzu, NASA GSFC, Apple, 18F | art, lego, board games, comics, cute animals |🧛🏻♀️⛵️
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.”
Elizabeth Wharton @lawyerliz.bsky.social Adviser, lawyer, and sometimes cybersecurity circus ringmaster - my monkeys fly.
Jake Williams @malwarejake.bsky.social Breaker of software, responder of incidents, IANS Faculty, VP R&D Hunter Strategy.
Tarah Wheeler @tarah.org CSO of TPO.group ♦️ EFF Board of Directors♦️she/her ♦️ bestselling author but only that one time
DilDog 🅅 @dildog.l0pht.com Tech Dysangelist
cDc/hack.xxx/Veilid
Support Veilid! Badge: 🅅 www.veilid.com
Merch at: @hack.xxx
he/him/"hey buddy"
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
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
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__
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
(¯`·._{JEFF}_.·´¯) @handle.invalid | Blue Team Hacker | Legal Sector | Martial Artist | Navy Veteran | Geek of All Trades | PS5 Gamer | Hiring Supervisor | F Trump |
Brandon @that2000sguy.bsky.social I’ve worked in IT/Cybersecurity for 10+ years. Post mostly about it.
Views are my own.
Love breaking/fixing things, new & old tech, surfing, and 2000s alt-rock.
Check out: verifia.io- 0 @0xdeadbeef.bsky.social @0xdeadbeef.bsky.social
Morgan @synapticrewrite.bsky.social Hardware, prototyping, reverse engineering, firmware, lockpicking, makering, and various other hackings. @SynapticRewrite@hackers.town