Tom Cross 🇨🇦🇺🇸 @decius.bsky.social Republics are systems that require people to compromise with each-other.
Murray Siple @walletmothstudios.bsky.social Tetraplegic multidisciplinary artist including video, painting, installation, and sculpture.
JP Bourget (punkrokk). @punkrokk.bsky.social CEO Blue Cycle LLC, EIR Lytical Ventures, Recovering SOAR founder
@tines.com @tines.com The secure environment for AI agents, apps and automation.
Get started for free: https://login.tines.com/saml_idp/signup
kate conger @kateconger.com tech reporter for the NYT!
co-author of CHARACTER LIMIT!
signal: kateconger.11
buy our book: https://www.penguinrandomhouse.com/books/737290/character-limit-by-kate-conger-and-ryan-mac/
tour dates & translations: https://linktr.ee/kateconger
Drew Harwell @drewharwell.com tech & society @washingtonpost.com
stories: https://drewharwell.com/
videos: tiktok.com/@drewharwell
+ instagram.com/drewharwell
Thorin Klosowski @thorinklosowski.com Security and privacy activist at EFF, I work mostly on SSD | this account is mostly shitposts, auto-deletes posts every 30 or so days
Alex Ionescu @ionescu.bsky.social Windows Internals Author, Developer, Reverse Engineer, Security Researcher, Speaker, Trainer, and most recently Nation State Hacker.
Core OS Platform Developer at Apple, Hyper-V Vendor at Microsoft, Chief Architect at CrowdStrike and now Director at CSE.
the grugq @thegrugq.bsky.social 
Danny Moore @moore.bsky.social Cyber-warfare | PhD from KCL | Author of 'Offensive Cyber Operations' | Security @ Meta 
Dan Black @danwblack.bsky.social Previously Google, NATO, 🇨🇦 Government. Views mine and mine only.
Zack Whittaker @zackwhittaker.com Security editor, TechCrunch
Signal: zackwhittaker.1337
My stories: techcrunch.com/author/zack-whittaker
My newsletter/blog: this.weekinsecurity.com
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
Lee Foster @leefosterintel.bsky.social AI Security / Cyber Threat Intel / Disinformation / Influence Operations. Founder aspectlabs.ai, Adjunct at Johns Hopkins SAIS Alperovitch Institute for Cybersecurity Studies, formerly Director of Influence Ops Analysis at Mandiant. All views my own etc.
Shannon Vavra @shanvav.bsky.social National Security & Cybersecurity | Priors: @cnas.bsky.social Fellow, National Security Reporter @thedailybeast.bsky.social, @cyberscoop.bsky.social, @axios.com | Probably in need of covfefe and a snack | shanvav01 on Signal
Filippo Valsorda @filippo.abyssdomain.expert @geomys.org founder / RC F'13, F2'17
Cryptogopher / Go cryptography maintainer
https://filippo.io / https://github.com/FiloSottile
https://mkcert.dev / https://age-encryption.org
https://sunlight.dev / https://filippo.io/newsletter
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
INTERPOL @interpol.int Connecting police & catching criminals in 196 countries for more than a century. 🕵️
Follow our success stories here. 👮♂️🚔👮♀️
✍️ Report crimes to your local police.
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.
Nikki Webb @nikkic360.bsky.social Happiest by or in the sea 🖤🌊 Global Channel Manager for MSSP Custodian360, part of The Cyber House Party team, Volunteer at The Cyber Helpline. Total cat lady 🖤🖤🖤🐱🐱🐱
Michael Moore @michaelmoore.ai #AI, #Cybersecurity, and other technology topics. Trying to make the world a better place. Personal account; my views only. Work: https://s1.ai/purple at @sentinelone.com
Simon Petersen @simonpetersen.net Associate Information Security Consultant at DHL IT Services*.
Danish 🇩🇰 origin - living in Prague 🇨🇿
* I don't speak on behalf of DHL.
https://simonpetersen.net
David Buchanan @retr0.id reverse engineering, cryptography, exploits, hardware, file formats, and generally giving computers a hard time
Fedi: @retr0id@retr0.id
Macroblog: https://www.da.vidbuchanan.co.uk/blog/
Lukasz Olejnik @lukaszolejnik.bsky.social Security & Privacy. Data Protection. Research & Development. Engineering. Analyst. Policy. W3C. Consultant. Author. King’s College London/War Studies. me@lukaszolejnik.com
lukaszolejnik.com/books
blog.lukaszolejnik.com
techletters.substack.com
Josh Neil @therealjneil.bsky.social Security research. And dad jokes. In no particular order.
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
💗💜💙
SwiftOnSecurity @swiftonsecurity.com computer security person. former helpdesk
Paul Ihme @paulihme.bsky.social Dad, husband, nerd, tinkerer, etc
WyrdsmithTrish @trishnichol.com Barefoot poet. Has fun with Horror. Revels in Romance. Purveyor of joyful and unrepentant weird. Gregarious Loner. Chaotic Good. Library Tech/Archivist in training. I like to write and fix things. She/Her.
https://trishnichol.com/writing
LimaCharlie @limacharlie.io Security tools and infrastructure on-demand. Use LimaCharlie to automate and manage security operations at scale.
Matt Bromiley @bromiley.io ⚙️ AI Security R&D @ Prophet Security
🎓 IR/TH/Incident Management Instructor
🎙️ Frequent Guest on Cybersecurity Defender's Podcast
🔍 Where to Find Me: https://github.com/bromiley
@pennr.bsky.social @pennr.bsky.social 
Jeff Schwartz @jeffreyschwartz.bsky.social Journalist covering cybersecurity and enterprise information technology.
Contributing writer: Dark Reading
https://authory.com/JeffreySchwartz
www.linkedin.com/in/jeffaschwartz
Matt Muller @matt.buildingsecops.com Cybersecurity tinkerer by day, wine and cheese tinkerer by night. Security @ Datadog | ex-Coinbase Security, Tines
Chris D'Amore @cmd1775.bsky.social Cybersecurity Practice Manager at YDN - M3Power
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.
👻 @0x0.boo Security. People matter most. Get off X, fool.
DylanInfosec🛡️ @attackthesoc.com Dad ⚭ Husband
🏛️ Incident Response, M365 Forensics | Defender XDR & Azure Security | DEaTH ⏳
🏋🏻♂️IronCult 🏕️ForestHermit
https://attackthesoc.com | https://InDefenseofDefenders.org
Sean C Higgins @seanchiggins.com Cybersecurity Consultant and Educator: CISOs and boards hire me to evaluate and have confidence in their cybersecurity programs
Matt Hand @matterpreter.bsky.social Director of Security Research at Prelude💜 | Author of Evading EDR http://nostarch.com/evading-edr 📖 | Security research & windows internals 🦠
AJ King @ajking.io Threat Research at SnapAttack now part of Splunk now part of Cisco / Detection Engineering / Dad | #DetectionEngineering #ThreatHunting #PurpleTeam | Header art from http://art.vx-underground.org.
Kostas @kostastsale.bsky.social Running ➡ http://defendpoint.ca | http://edr-telemetry.com | https://edr-comparison.com/ | http://detectionstream.com | 🇬🇷🇨🇦
Hexacorn @hexacorn.bsky.social Red Brain, Blue Fingers
Malware Analysis, Reverse Engineering, Threat Hunting, Detection Engineering, DFIR, Security Research, Programming, Curiosities, Software Archaeology, Puzzles, Bad dad jokes
https://www.hexacorn.com/blog/
hexacorn@infosec.exchange
mthcht @mthcht.bsky.social Threat Hunting - DFIR - Detection Engineering
🐙 https://github.com/mthcht
🐦 https://x.com/mthcht
📰 https://mthcht.medium.com
Matthew Conway @mattreduce.com 🔍 Threat Intelligence @ Remitly
✍️ CTI newsletter and blog @sourcesmethods.com
Greg Foss @gregfoss.com Security Research Leader @ Datadog
Views are strictly my own
Christophe Tafani-Dereeper @christophetd.fr Cloud and container security • Security research and open source at Datadog
🇨🇭🇫🇷
https://christophetd.fr
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
signalblur📡🛸 @signalblur.bsky.social Cloud Security Researcher
Founder of https://magonia.io
#Cloud #Container #NSM #Malware #CTI #ThreatIntel
UFO Enthusiast
Opinions are my own. He/Him
Katie Knowles @siigil.bsky.social Security Researcher @ Datadog. 🐶 Head in the (Azure) clouds.
Sometimes blogging, always curious. Aim to be, rather than to seem.
Blogs at https://kknowl.es.
Alex Delamotte @alex.leetnoob.com I’m just a girl who lives in Vegas & likes cloud malware, idk anymore.
PIVOTcon @pivotcon.bsky.social Threat Research Conference in Malaga, Spain, 6-8 May 2026
#StayTuned #ComingSoon #PIVOTcon #PIVOTcon26
https://pivotcon.org
Phil Stokes ⫍🐠⫎ @philofishal.bsky.social macOS security researcher espousing no one's opinions but my own. Dogged follower of #lufc, at least until the world stops going round (IYKYK).
philastokes.com
AaronCTI @aaroncti.bsky.social Co-Founder Webamon, Founder @perspectiveintel.bsky.social. Author of Cyber Threat Intelligence: The No-Nonsense Guide for CISOs & Security Managers. Training at Kase Scenarios! Exec/Webinars @osint-community.bsky.social and creator of osintportal.com
Nicole Hoffman @threathuntergirl.bsky.social Friendly Neighborhood CTI Analyst | Children’s Book Author | Lego builder | Gamer | She/Her
Andrew Case @attrc.bsky.social Volatility Core developer, Dir. of Research Volexity, LSU Cyber
tuckner @johntuckner.me Working on finding bad software extensions.
SLEUTHCON @sleuthcon.bsky.social Tickets for 2026 are now available!
https://www.sleuthcon.com
John Hammond @johnhammond.bsky.social Hacker. Friend. Cybersecurity Researcher at Huntress.
Jamie Levy 🦉 @gleeda.bsky.social @volatilityfoundation.org Core Dev | Art of Memory Forensics co-author | DFIR trainer and enthusiast | Director of Adversary Tactics @huntress.com
CYBERWARCON @cyberwarcon.bsky.social CYBERWARCON is a one-day conference in Arlington, VA focused on the specter of destruction, disruption, and malicious influence on our society through cyber capabilities.
cyberwarcon.com
Joe Roosen @jroosen.bsky.social SpyCloud - Director of Security Research, Cryptolaemus Coordinator, Emotet(Ivan)/QBot(Boris) Destroyer, gold prospector & former sysadmin.
Allison Nixon @nixonnixoff.bsky.social Chief Research Officer @ Unit 221B
most reliable way to reach me is my company's outreach form on the website
my other urls:
https://infosec.exchange/@nixonnixoff
https://www.linkedin.com/in/allison-nixon-81822124/
don't bother contacting me on twitter
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
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.
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
Silas Cutler @silascutler.bsky.social You may know me from your server logs.
#Malware, Hacks, Internet Scanning, #CTI
Beau Woods @beauwoods.com hack all the cybers
Tom Hegel @hegel.bsky.social Distinguished Threat Researcher, SentinelLABS Research Lead @SentinelOne. Nation-state operations, research systems & applied AI for threat intelligence. Find me at https://TomHegel.com
Will T @bushidotoken.net 🇬🇧 | Senior Threat Intelligence Advisor at Team Cymru | Co-author SANS FOR589 | Co-founder Curated Intel
Costin G. Raiu @craiu.bsky.social Romanian antihacker from another planet. #threatintel #yara #chess #taekwondo black belt
Motto: "One reboot a day keeps the implant away"
Marcus Hutchins @malwaretech.com threads.com/@malwaretech
https://linkedin.com/in/malwaretech
https://marcushutchins.com
Jake Williams @malwarejake.bsky.social Breaker of software, responder of incidents, IANS Faculty, VP R&D Hunter Strategy.
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. 🏳️🌈
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
Kevin Beaumont @doublepulsar.com cybersecurity weather man. scanning the horizons for cloudy cyber. Expert at nothing except computer rubbish. Anti-ransomware since 2015.
John Hultquist @hultquist.bsky.social Mandiant Intelligence at Google. CYBERWARCON and SLEUTHCON founder. Johns Hopkins professor. Army vet.
techy @techy.detectionengineering.net Creator of Detection Engineering Weekly (https://detectionengineering.net), Sec Research/Intel/Detection @ Datadog
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
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.
Ciaran Martin @ciaranm.bsky.social AI slop cannon
UK_Daniel_Card @mrr3b00t.bsky.social 
Robert Graham @erratarob.bsky.social @erratarob on the hellscape site
goggan @goggan.bsky.social 
Jeff McJunkin @jeffmcjunkin.bsky.social IT generalist with an infosec slant. Testing out the new hotness over here.
Dan Goodin @dangoodin.bsky.social Cybersecurity Reporter, Ars Technica: https://arstechnica.com/author/dan-goodin/ Hungry for tips. Text me on Signal: DanArs.82. "The world isn’t run by weapons anymore, or energy, or money. It’s run by little 1s and 0s, little bits of data."
James Pearson @pearswick.press Visual Investigations Journalist at @Reuters.com, via Hanoi, Seoul, Pyongyang and cyberspace. Now in London.
“A bum who wrote an ignominious jumble of stories”
- North Korea ★ ★ ☆ ☆ ☆
📞Signal ID: pearswick.01
💻: pearswick.press
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
Martin Matishak @martinmatishak.bsky.social Senior Cybersecurity Reporter at The Record from Recorded Future News. Send tips to martin.matishak@therecord.media. Signal: mmatishak.80
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
Will Oremus @willoremus.com Covering online speech, the information economy and AI weirdness at @theatlantic.com. Shitposting about Bluesky on Bluesky.
Signal: willoremus.24
Ellen Nakashima @ellenwapo.bsky.social Intelligence and national security reporter at The Washington Post. Reach me securely on Signal at Ellen.626.
Robert McMillan @bobmcmillan.bsky.social Cybersecurity reporter for the Wall Street Journal
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.
Eric Geller @ericjgeller.com Senior reporter at @CybersecurityDive.bsky.social covering all things digital security. I also co-host @hothtakes.bsky.social. | Send me tips: https://ericjgeller.com/contact.html
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
Sean Lyngaas @snlyngaas.bsky.social Cybersecurity reporter, CNN. Signal +1-202-355-8471 or SNLyng.11. sean[dot]lyngaas@cnn[dot]com|slyngaas@proton[dot]me
Dustin Volz @dustinvolz.bsky.social Washington correspondent for The New York Times focused on cyber conflict, digital espionage and intelligence. Prior stops at WSJ, Reuters, National Journal. https://www.nytimes.com/by/dustin-volz
Ken Klippenstein @kenklippenstein.bsky.social Independent journalist.
Send tips via Signal: 202-510-1268.
Join my newsletter 👇👇👇
kenklippenstein.substack.com
Jay Rosen @jayrosen.bsky.social Let's see... 39 years teaching journalism at NYU. A critic who tries to be useful. PressThink: the name of my subject and my site. My book: "What Are Journalists For?" (1999, Yale University Press)