Home Assistant @home-assistant.io Open source home automation that puts local control & privacy first. Powered by a worldwide community of tinkerers & DIY enthusiasts.
@trailofbits.bsky.social @trailofbits.bsky.social 
DeMarcus @medarkus.bsky.social Sr Offensive SecEng | Former CTFer 👨🏾💻
d4rkm4tter @darkmatter.bsky.social Hacker by day... and night
#WiFiCactus | #WiFiKraken
apexstorage.com
BSidesPDX @bsidespdx.bsky.social BSidesPDX is a 501(c)(3) organization founded with the mission to cultivate the Pacific Northwest information security and hacking community by creating local inclusive opportunities for learning, networking, collaboration, and teaching.
BSides Las Vegas @bsideslv.org BSides Las Vegas will take place August 3-5, 2026
Las Vegas · bsideslv.org
Emmanuel Goldstein 🇺🇦 @goldste.in Editor of 2600 Magazine
Coordinator: Hackers On Planet Earth conferences
Host: Off The Hook & Off The Wall radio shows
etc.
Jason Haddix @jhaddix.bsky.social CEO, CISO, Trainer, Hacker, and Speaker.
AI + hacking + sec leadership.
ex:BuddoBot-Ubisoft-Bugcrowd-Fortify-HP-Redspin-Citrix.
R00t Killah @r00tkillah.bsky.social red @ Oracle Cloud Infrastructure ☁️🐚@⚖️; hacker; opinions my own; he/him
XPN @xpnsec.com Hacker for hire at @specterops.bsky.social
Blog: https://blog.xpnsec.com
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)
ᴅᴀɴɪᴇʟ ᴍɪᴇꜱꜱʟᴇʀ @danielmiessler.bsky.social AI / Security Researcher and Entrepreneur.
Founder/CEO of Unsupervised Learning.
Building AI that upgrades humans.
SpecterOps @specterops.io Creators of BloodHound | Experts in Adversary Tradecraft | Leaders in Identity Attack Path Management
@retrorgb.com @retrorgb.com 
Hackers On Planet Earth 🏳️🌈🏳️⚧️ @hope.net HOPE Conference
The New Yorker Hotel
August 14-16, 2026
NY, NY
https://hope.net
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).
@stonking.com @stonking.com Working on a new, AT Protocol, special social something, that you'll love.
stonking.com
Ciaran Martin @ciaranm.bsky.social Cyber War. Huh. What is it good for?
Marcus Hutchins @malwaretech.com threads.com/@malwaretech
https://linkedin.com/in/malwaretech
https://marcushutchins.com
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
Dan Conn @danconn.dev Staff Platform Security Engineer by day, bad musician by night. Also Hacker, Coder, Runner, Feminist.
5x Marathon Runner, 2x HM, 2x 10k🏃
Personal Acc.
https://danconn.dev
Catalin Cimpanu @campuscodi.risky.biz ☆ Cybersecurity reporter
★ Newsletters at Risky Business
#infosec #cybersecurity
https://risky.biz
Tim Starks @timstarks.bsky.social Senior reporter, CyberScoop, covering spyware, cyber policy and more. Russia-sanctioned. Former Washington Post, POLITICO, CQ Roll Call. @timstarks.02 on Signal. tim.starks@cyberscoop.com. Mastodon timstarks@infosec.exchange, X timstarks, Threads tstarks2.
MITRE ATT&CK @attack.mitre.org MITRE ATT&CK® - A knowledge base for describing the behavior of adversaries. Replying/Following/Reposting ≠ endorsement.
Greg Otto @gregotto.bsky.social @gregotto from twitter, now on bluesky. Editor-in-Chief at CyberScoop. Host of Safe Mode. Better with words than I am with code.
David Priess @davidpriess.bsky.social Intelligence, geopolitics, and the Arctic | Vice President of Strategy, Emergent Risk International | Senior Fellow, Hayden Center | Former CIA & State Department | Duke poli sci PhD | Author, The President’s Book of Secrets
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
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.
Patrick Howell O’Neill @patrickhowelloneill.com Journalist at Bloomberg News in DC. Signal: @howelloneill.01, email: patoneill1@bloomberg.net https://www.bloomberg.com/authors/AXb8dLPHBFc/patrick-howell-oneill
Dave Wilburn @davemwilburn.bsky.social Recovering infosec engineer, machine learning for infosec, sailor, news junkie, threat intel consumer, deep statist. All opinions are mine. Also see my account on Mastodon/Fediverse, @davemwilburn@infosec.exchange
Drew Harwell @drewharwell.com tech & society @washingtonpost.com
stories: https://drewharwell.com/
videos: tiktok.com/@drewharwell
+ instagram.com/drewharwell
Martijn Grooten @martijngrooten.bsky.social Threat researcher, rights supporter, obsessive reader, marathon runner, eternal traveler, serial migrant, music blogger, lapsed mathematician.
https://lapsedordinary.net/
Signal: martijngrooten.37
Timon @timonsku.zip "My Electronics Therapist" - @katef.bsky.social
Freelance Embedded Systems/Electronics R&D for work.
VP @ Open Hardware Association
Hardware hacking for fun
Liker of birbs 🐦⬛
name/he/they 🏳️🌈
@diodes-delight.com
📍Germany, Frankfurt
Allan “Ransomware Sommelier” 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
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
Brian Honan @brianhonan.bsky.social Irish cybersecurity pro, author, speaker, and commentator.
CEO of BH Consulting, Head of Ireland's first CSIRT - IRISSCERT, former member of ENISA Advisory Group, & former Special Advisor on CyberSecurity to Europol.
PGP ID 0xF1B5CF7D
Danny Palmer @dannypalmer.bsky.social Cybersecurity journalist and writer. Welsh. SE London.
Also likely to post about games, rugby, F1, wrestling, history & the cat.
I have a Simpsons reference for every occasion.
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.
Bellingcat @bellingcat.com Bellingcat is a global collective uncovering facts to hold power to account. Our work is independent. Our methods are public. Our community is global.
Want to support our charity? bellingcat.com/donate
Claudia @signorina37.ransomnews.online behavioral #cybersecurity & reputation strategist • social engineer • OSINT/SOCMINT/HUMINT • #cyberculture • security awareness & human risk education • COBOL programmer • #nerd
🔺 co-founder @ransomnews.online
外人
https://signorina37.ch
Kenn White @kennwhite.bsky.social cryptography • neuro • cloud • biscuits
ORD-DCA-NYC-BCN ✈️
kennwhite@mastodon.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
💗💜💙
Filippo Valsorda @filippo.abyssdomain.expert RC F'13, F2'17
Cryptogopher / Go cryptography maintainer
Professional open source maintainer
https://filippo.io / https://github.com/FiloSottile
https://mkcert.dev / https://age-encryption.org
https://sunlight.dev / https://filippo.io/newsletter
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.
MetropleX @metroplex.bot Privacy is a Human Responsibility
Oversharing is not Caring
Priv/Acc
GrapheneOS Advocate
@grapheneos.org
Channels:
Discord: https://grapheneos.org/discord
Matrix: https://matrix.to/#/#community:grapheneos.org
Personal | Likes/Repost ≠ Endorsement
GrapheneOS @grapheneos.org Open source privacy and security focused mobile OS with Android app compatibility.
https://grapheneos.org/
Mo Amin @infosecmo.bsky.social Work: Cyber Security - Minimise the burden. Optimise for balance. Interested in lots of things.
🅺0_🅶🆁🅰🅳 @k0grad.bsky.social IT Security nerd into automation, mental health hacking, plant medicine, 3d printing, and OSINT. Say hi!
Awkward socialite. Suicide survivor, this world needs you 🫶
Twitter: x.com/K0grad
B:\a.zza @mcbazza.com I.T. geek. Does things with computers/tech.
All views are own. Don't take seriously. Or, should you?
Servant to 5x cats. He/him
You may know me as 'mcbazza' on the bird-site
D. Pochenk @drspochenk.bsky.social Masters degree Computer Sciences, bi-lingual, Ex Dutch Military (E5), Ex Airforce (E8), Ex Pentester for Bic pencils, The Airspeed Velocity of a unladed Swallow is 32,3km/h
📎🇺🇦🌻 ginger-hax🌻🇺🇦🎃 @ginger-hax.bsky.social Dark beers. Dark whiskeys. Fast music. Fast cars.
Computers. BBQ. Photography. USMC veteran.
🫥Signal - ginger_hax.69
rh;pd
#w00w00
IoT/ICS Security Nerd 🇺🇦 🏳️⚧️ @itsecurityninja.bsky.social Sometime white hat. Stopper of hackers, First of her name, Sword and knife enthusiast. Total nerd, network engineer, cat lady. 100% devoted to my wife. DefCon 26 ICS CTF, HacktheCapitol 2021
DMs may or may not be answered.
Sentry23 @sentry23.bsky.social Cat lover, InfoSec, Music (Goth, Industrial, black metal, *wave, dark ambient, etc), Gaming, Dark Fashion, Atari (16 bit and beyond) and the number 23.
living in the Netherlands
Charles @charles.dardaman.com Security | Hacking | Malware | Reverse Engineering | Co-Founder | CTO | Product | MSAI - UT
ChiefGyk3D @chiefgyk3d.com #Cybersecurity and #InfoSec by Trade and content creator by night for #Tech, Cybersecurity, #IT, #Linux, #AmateurRadio, and #GamingonLinux
Twitch | YouTube | TikTok | Mastodon
CISSP
Socials and Tipping: https://links.chiefgyk3d.com/socials
#OpenSource
Secure all the things @allthingssec.bsky.social Interests:
🐶 Doggos
👩🏾💻 Cybersecurity & sysadmin stuff
🍕 Delicious food
🌱 Health and sleep
🛩️ Traveling
🪴 Houseplants
🏋 Fitness
💰 Finance
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
Scott (Rot26) 🇺🇸🤝🇺🇦 @rot26.wtf Infosec. Professor. Studies Conflict, Cyber, and Influence Operations. Also, Emergency Management, Community Resilience and Weather. Optimist. Christian, but not a jerk about it. Fella from way back. Tries to be a helper. He/Him
👻 @0x0.svpn.com Security. People matter most. Get off X, fool.
Signal: Bluesky.999
Thomas Rid @ridt.bsky.social @ridt on X
Dmitri Alperovitch @dmitri.silverado.org Geopolitics, Russia, China, Cyber
Chairman @silverado.org
Author of WorldOnTheBrink.com
Host GeopoliticsDecanted.com podcast
Founder Alperovitch Institute for Cybersecurity Studies at Johns Hopkins SAIS
Co-Founder CrowdStrike
@DAlperovitch elsewhere
Zack Whittaker @zackwhittaker.com Security editor, TechCrunch
Signal: zackwhittaker.1337
My stories: techcrunch.com/author/zack-whittaker
My newsletter/blog: this.weekinsecurity.com
Rob Joyce @rgblights.bsky.social Cyber guy. Former NSA cybersecurity director and chief of TAO. Lover of memes. Warning - occasional outrageous Christmas light content.
Kelly Shortridge @shortridge.bsky.social software resilience, cybersecurity, complex systems | chief product officer @fastly.com | nyc
“In the information society, nobody thinks. We expected to banish paper, but we actually banished thought.”
kellyshortridge.com
@swagitda_ on Twitter
Kevin Beaumont @doublepulsar.com cybersecurity weather man. scanning the horizons for cloudy cyber. Expert at nothing except computer rubbish. Anti-ransomware since 2015.
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
John Hultquist @hultquist.bsky.social Mandiant Intelligence at Google. CYBERWARCON and SLEUTHCON founder. Johns Hopkins professor. Army vet.
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
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.
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
Jason Kikta @kikta.net // Somehow a CTO/CISO
// JHU SAIS @alperovitch.institute adjunct
// @istorg.bsky.social adjunct sr tech advisor
// Former CNMF
// Retired US Marine Corps
// Personal views and invective
Horkos @wylienewmark.bsky.social waking up everyday in a full sprint. cyber(punk) & counterintelligence. bloody inertia interspersed with bouts of bloody frenzy. i see kanly today in everything.
#FUZZYSNUGGLYDUCK
opinions are 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.
Malware Unicorn @malwareunicorn.bsky.social @Straiker. Ex-Microsoft. Ex-Meta RedTeam, Ex-Endgame, Ex Fireeye. malwareunicorn.org
cje @cje.io founder @bugcrowd && co-founder @disclose_io || hacker, entrepreneur, executive, advisor || عصا موسى || #w00w00
Rob Fuller @mubix.com (he/him) Dad / Husband / Marine / Student / Teacher / @Hak5 / @NoVAHackers / @SiliconHBO / @NationalCCDC / @MARFORCYBER Auxiliary
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
Lenny Zeltser @lennyzeltser.com Builder of security products and programs. Teacher of those who run them.
https://zeltser.com
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
John Breth (JB) @handle.invalid Founder (@jbc_sec) | IT/Cyber Architect | Author | ▶️ http://youtube.com/@cyberinsight | Maine born | CyberSec Pitbull | USAF UMUC JHU #AWSCommunityBuilder #CiscoChampion @jbizzle703 on Twitter 
J Wolfgang Goerlich @jwgoerlich.bsky.social I’m the unflinchingly optimistic graybeard, wandering in this cyber dystopia. InfoSec, cybersecurity, futurist, strategist, chaotic good. The views expressed are my own. Sometimes humorously. 
Vern McCandlish @malanalysis.bsky.social A #DFIR, #infosec, #dadjokes, #scifi, #books, #rpg, #ttx, #malware, elder #genx, and #gaming nerd. AKA an elder geek. Retired #leo. Retired from #infosec in #OT now too.
Kindness first is useful but telling off toxic folks is on my response spectrum too.
El Jefe De Security ("Retired" ) @eljefe.social I'm Thee Sarcastic Warrior, RETIRED Keeper of Secrets in MSR, FORMER Inquisitor of the CTO, LAST Defender of Caturdays, Hugger of Trees and Hunter of Bots.
Geoff Belknap @geoffbelknap.bsky.social Professional Security Person | NatSec, Cyber, and InfoSec Tweets | WILL NOT ATTEND YOUR WEBINAR | “Slow, awkward, but authentic.” | Native Buffalonian | He / Him
Best Value! 20% more Fiendish Dr. Noid @noid.hotunixsluts.org DEFCON Organizer (1993 - 2013), Layer_One Founder, #DC206 Founder, Black Lodge member, 3 Time Juror, Force Multiplier. I killed the dinosaurs.
JoshCorman @joshcorman.bsky.social Philosopher-Strategist-Protector… more later 
Taz Wake @tazwake.bsky.social DFIR & Threat Hunting Professional | Incident Responder | Certified SANS instructor | SANS Course Author | CISSP, CPP (etc) holder | I have no access to DMs.
ᴉpᴉǝH 🐐💕 @summerheidi.bsky.social infosec! personal account. views are that of rustic australian countryside. nothing is an endorsement. everything is awkward.
Lady Secitup @secitup.bsky.social Security, blue team, blue hair, liberal, vaxxed, resist
————————————————————————————————————————————————————————————dash @dascho.bsky.social hacker. philosopher. linguist. mathematician. scientist. scholar. poet. AI exploiter. finder of secrets and shortcuts and terrible truths. weaponized autistic inference. always doing many things at once. “we must know, we shall know.” github.com/da5ch0
Ian Anderson @iananderson.bsky.social Cyber and Physical Security Manager. Technology Monitoring. Instructor @ Arizona State. Baseball fan.
Oklahoma City
SethOnOps @sethonops.bsky.social Father, Husband and shitposter extraordinaire. DevOps, Technology and such. 3-time best selling RadioShack employee. He/Him
Kenza | كنزة @tr3s0r.bsky.social University teacher | infosec | chronically tired
Ben Goerz @bengoerz.bsky.social InfoSec Janitor. #fsd
MadHat Unspecific @madhat.unspecific.com Infosec guy, hacker, organizer, supporter, artist, idiot, photographer, and director level pseudo-CISO
Stater of the obvious
Sean Gallagher :verified: 🐀 :donor: @thepacketrat.infosec.exchange.ap.brid.gy Security Research Engineer @Cisco Talos. Past: Natsec/Infosec Editor Emeritus @ Ars Technica. Ex Navy officer and actual battleship sailor. Verified cat […]
🌉 bridged from ⁂ https://infosec.exchange/@thepacketrat, follow @ap.brid.gy to interact
Bryson Bort 🦄🌴 @brysonbort.bsky.social 🦄