RationalEdge @rationaledge.bsky.social Traditional malware analysis platforms give you verdicts. RationalEdge gives you understanding. Transform your threat analysis workflow with intelligence you can understand and trust.
Learn more at https://rationaledge.io
SHARE Fondacija @sharefondacija.bsky.social Društvo, tehnologija, sajberspejs
sharefoundation.info
Rand Hammoud @randham.bsky.social Director of the Security, Surveillance and Human Rights Programme and Regional Encryption Lead at the Centre for Democracy and Technology Europe
Thomas Brewster @thomasbrewster.bsky.social Forbes senior writer, covering privacy, surveillance and cybercrime. Editor of The Wiretap newsletter, featuring all of the above.
BOJΛN_PΞRKOV 🌐🌍 @bojanperkov.bsky.social Digital Policy Coordinator @sharefondacija.bsky.social | Personal posts | Veritas scutum meum est
The Banshee Queen 👑 @cyberoverdrive.bsky.social #threatintel @Recorded Future | Formerly @PwC GTI | Malware & infrastructure analysis with a side of cyberpunk. 🌃🌌 She/her, support 🏳️🌈🏳️⚧️✨
Samuel Groß @saelo.bsky.social Working on Project Zero, Big Sleep, and V8 Security. Personal account.
Natalie Silvanovich @natashenka.bsky.social Google Project Zero
Brendon Tiszka @btiszka.bsky.social Google Project Zero
Chi En (Ashley) Shen @ashl3y-shen.bsky.social Security researcher @ Cisco Talos. / Ex-Google TAG / Black Hat & HITCON review board / Organiser of Rhacklette. 
Daniel Roethlisberger @droethlisberger.bsky.social security & software engineering · cyber defense · civil society
https://infosec.exchange/@droe
Phong @np-tokumei.net I moved to https://www.linkedin.com/in/hoangnguyenphong
Assistant Professor @cs.ubc.ca| Research on Network Security & Online Privacy
Team Cymru - S2 Threat Research @teamcymrus2.bsky.social Follow us for the latest blogs and IOCs from Team Cymru's S2 Threat Research team.
Maria Xynou @agrabeli6.bsky.social Director @ooni.org | Board @torproject.org
zero @initz3r0.bsky.social Independent Security Researcher.
Human Rights & Privacy.
Siena Anstis @sanstis.bsky.social lawyer | senior legal advisor @ The Citizen Lab | PhD Fellow in Law @ University of Oslo | parent | currently: transnational repression, digital surveillance & international human rights law | EU-based (Geneva, Oslo) | https://sienaanstis.com
Kate Robertson @kate-ro.bsky.social human rights, tech, law | senior research associate
@CitizenLab @UofT @munkschool | former criminal lawyer and
@SCC_eng clerk | posts mine
Nate Cardozo @natecardozo.bsky.social Senior Staff Privacy Engineer at Google working on sealed computing, ambient sensing, e2ee, and stuff. Formerly encryption policy at Meta/WhatsApp. Infosec lawyer at EFF before that. Biglaw long ago. Views are mine alone.
Emile Dirks @emiledirks.bsky.social Senior research associate @citizenlab.ca, board member @pencanada.bsky.social. Researching policing, biometric surveillance, and authoritarianism.
Laura Schwartz-Henderson @oncethought.bsky.social Part of the endangered human rights species- communications, research & mobilization around censorship, shutdowns, surveillance. 🔥 Righteous anger is always sexy 🔥
Gabrielle Lim @gabriellelim.bsky.social PhD Candidate, Political Science at the University of Toronto. Affiliated with the Citizen Lab. Mostly the politics of information, technology, and security in cyber and outer space.
More at gabriellelim.com 
Cris Brafman Kittner @criskittner.bsky.social military strategy, geopolitical analysis, CTI, avid photographer
R3D: Red en Defensa de los Derechos Digitales @r3d.mx Somos una organización mexicana dedicada a la defensa de los derechos humanos en el entorno digital. ✉️: contacto@r3d.mx
Doug Madory @eldomador.bsky.social Internet Analysis (BGP/NetFlow) at @kentik.bsky.social (formerly of Dyn Research and Renesys).
https://www.linkedin.com/in/dougmadory/
Monika Sobiecki @cybersobiecki.bsky.social Lawyer @BindmansLLP | Legal @Impatience Ltd | Waltham Forest Green Party 💚 | Postgrad researcher on surveillance and climate justice @QMUL | Lawyers Are Responsible (http://www.lar.earth) | Digital rights are human rights |
Etienne - Tek @tek.randhome.io Technologist @ Human Rights Watch (previously Amnesty, Citizen Lab)
Malware, Threats, Online Investigations, Disinformation, Human Rights and silly memes.
On Mastodon: tek@todon.eu
Also on https://maynier.eu/
Lennart Maschmeyer @lmaschmeyer.bsky.social Senior Researcher in Cybersecurity at @ETH_en @CSS_ETHZurich. Previously @UofT, @citizenlab and @UniofOxford.
New Book "Subversion" - https://global.oup.com/academic/product/subversion-9780197745861
Jonathan Rozen @jonathanrozen.bsky.social Deputy Director of Research and Analysis at the Committee to Protect Journalists (CPJ).
Technology and Human Rights Fellow at the Harvard Kennedy School (2025-26).
Views expressed here are my own.
https://www.rozenjonathan.com/
Benjamin Wittes @benjaminwittes.lawfaremedia.org Editor in Chief, @lawfaremedia.org
Senior Fellow, Brookings
Author, #DogShirtDaily
Host, #DogShirtTV
Purveyor of mischief.
Harasser of Russian diplomats worldwide.
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
Mark Lechtik @marklech.bsky.social Senior TI Analyst @ MSTIC.
Former Senior RE @ FLARE.
Matthew Green @matthewdgreen.bsky.social I teach cryptography at Johns Hopkins. https://blog.cryptographyengineering.com
Szabolcs Panyi @szabolcspanyi.bsky.social Journalist investigating Central Europe 🇭🇺🇵🇱🇸🇰🇨🇿 at VSquare.org. Corruption, illiberalism, 🇷🇺 and 🇨🇳 meddling.
🙏 buymeacoffee.com/szabolcspanyi
📝 panyiszabolcs.substack.com
🗞️ vsquare.org/newsletter
✉️ szabolcs.panyi@vsquare.org
mle @whyli.me Trying to leave things better than I found them, including the Internet • runner • security research @ Censys 🧡 she/her • @mle@infosec.exchange
PIVOTcon @pivotcon.bsky.social Threat Research Conference in Malaga, Spain, 6-8 May 2026
#StayTuned #ComingSoon #PIVOTcon #PIVOTcon26
https://pivotcon.org
Camille François @camillefrancois.bsky.social Professor, Columbia University School of Int'l & Public Affairs. Tech Exec, previously w/ Graphika, Niantic, Google. I work on online trust, safety and innovation. I’ve been called "most optimistic person looking at the darkest corners of the Internet" :)
Jenna McLaughlin @jennamclaughlin.bsky.social NPR Correspondent covering technology and national security.
Send me a tip: Text JennaMcLaughlin.54 on Signal from personal (nonwork) devices.
Chris Krebs @thekrebscycle.bsky.social Aka @c_c_krebs over there 
Ahmed Al Omran @alomran.me Saudi correspondent for @financialtimes.com. @ahmed on Twitter and Instagram.
Ellen Nakashima @ellenwapo.bsky.social Intelligence and national security reporter at The Washington Post. Reach me securely on Signal at Ellen.626.
Sultan AlQassemi @sultanalqassemi.bsky.social Art collector, educator, writer.
Marwa Fatafta | مروة فطافطة @marwasf.bsky.social Palestinian feminist made in Saudi | MENA Policy and Advocacy Director @AccessNow
Abu Aardvark @abuaardvark.bsky.social Marc Lynch. GW Professor, POMEPS commander, Brewers fan. The one true Abu Aardvark. AMERICA’S MIDDLE EAST. Find me at https://abuaardvarkghost.ghost.io
Jon Gambrell @jongambrell.bsky.social A Middle East-based journalist and geopolitical analyst in Dubai, United Arab Emirates, by way of Egypt, Nigeria, Arkansas and elsewhere.
mahsa alimardani @mahsaalimardani.bsky.social Technology and human rights. Associate Director of Technology Threats and Opportunities at @witnessorg.bsky.social | Doctoral Researcher @oii.ox.ac.uk
Maryam Al-Khawaja @maryamalkhawaja.bsky.social Award winning Bahraini/Danish Human Rights Defender; consultant, trainer and public speaker. 2013 Nobel Prize nominee. #FreeAlKhawaja @freealkhawaja
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__
SwiftOnSecurity @swiftonsecurity.com computer security person. former helpdesk
TracketPacer @tracketpacer.com 🚀rockit network engineer
👩🏼💻ethernet fangirl
🛜 weird use cases & silly tech!
💌 tracket@tracketpacer.com
🌎 tracketpacer.com- J Joe Hellerstein @joehellerstein.bsky.social Computer things @Berkeley and music things elsewhere.
Jon Kuroda (黒田ジョン) @jkuroda.bsky.social ResearchOps UCBerkeley EECS. Words here are mine, not necc my employer's. He/him/his.
Sam Madden @samrmadden.bsky.social MIT Professor in EECS, Co-Founder Cambridge Mobile Telematics, Dad
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
Frederike Kaltheuner @frederike.bsky.social Global tech policy & geopolitics advisor ✨
Also: @ainowinstitute.bsky.social
frederikekaltheuner.com
Cristin Flynn Goodwin @cristin.bsky.social All things cybersecurity, incident response, threat Intel, AI, and law. Founded @AdvancedCyberLaw.com after forever @MSFT. Host of @AdvancingCyber.com Podcast on Apple Podcast and Spotify. Mom to humans, dog, and cat. Seeks big mountains and lakes.
Adam Flatley @flatleyadam.bsky.social Senior intelligence and cybersecurity operations leader. Senior Adjunct Technical Advisor @ IST Ransomware Task Force. Advisory Council Member @ ICMEC Global. Obligatory 'my tweets are my own' statement.
Ron Bowes @iagox86.bsky.social Staff Product Detection Engineer @ Censys. https://skullsecurity.org
Mostly post about professional stuff, maybe some improv stuff and maybe even magic some day. Seattle-based (originally Canadian), queer, cybersecurity nerd.
(He/him)
Ronan Farrow @ronanfarrow.bsky.social Pulitzer-winning investigative journo at New Yorker. Documentaries at HBO. Ex-diplomat. Bad lawyer. Disused phd. Tips: ronan_farrow@newyorker.com.
Morgan Adamski @morganadamski.bsky.social EXDIR of U.S. CYBERCOM. Cyber Huntress, #1 Fan of CCC, Life goals include the ocean…
Natalia Krapiva 🕊️👩🏻💻 @natynettle.bsky.social Lawyer working on human rights, technology, spyware, litigation, Russia and Eastern Europe.
Currently Senior Tech-Legal Counsel at Access Now. Formerly OSINT investigator and prosecutor.
@earlence.bsky.social @earlence.bsky.social (Assistant) Professor at @UCSanDiego. I hacked a Stop sign once, and it is now in a museum. Also hacked a bicycle. I mostly spend my time building stuff though.
Danai Maragoudaki @dmaragoudaki.bsky.social Journalist @wearesolomon.bsky.social | @themanifold.bsky.social
Objectivity is the delusion that observations could be made without an observer.
Antti Tikkanen @anttit.bsky.social Security at Snap Inc
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.
Vinicius Fortuna @vinifortuna.com Eng lead for #InternetFreedom at Google's Jigsaw. Co-creator of Knowledge Cards on Web Search & #OutlineVPN. Sharing tech and insights. Views are my own.
Matthew Kennedy @matthewkennedy.bsky.social Manager at Microsoft Threat Intelligence Center (MSTIC). Adjunct Faculty at Georgetown University. Penn State Alum. Tweets are my own.
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
@jefnathan.bsky.social @jefnathan.bsky.social Part-time information security researcher, full-time daredevil. Infosec, science, skepticism, hobbies. Opinions are mine. Honeynet, Citizen Lab, w00w00
Pwnallthethings @pwnallthethings.bsky.social Just thinking out loud.
Christopher Parsons (he/him/his) @christopher-parsons.com Policy wonk. Street photographer. Torontonian. Not necessarily in that order.
Interests: privacy, national security, artificial intelligence, accountability, democratic governance.
Posts are mine, not my employer’s.
https://christopher-parsons.com
Petra Molnar @petramolnar.com #Bordertech ethnographies | Author of The Walls Have Eyes | @refugeelab.ca + @migrationtechmonitor.com, York | Faculty Associate with Berkman Klein Center, Harvard | She/ هي 🇵🇸🍉| https://petramolnar.com/
Roman Gressier @romangressier.com I’m a journalist in Guatemala City and the editor of El Faro English @elfaroenglish.bsky.social.
https://romangressier.com
Bill Robinson @billrobinson.bsky.social Researcher focused on Canadian SIGINT activities past and present. Also FVEY and other countries. Citizen Lab Research Fellow. Occasionally compared to a hedgehog. He/him.
Blog: https://luxexumbra.blogspot.com/
nartv @nartv.bsky.social 
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.
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"
Patrick Gray @patrick.risky.biz https://risky.biz/
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
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
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
Eliot Higgins @eliothiggins.bsky.social Founder and creative director of Bellingcat and director of Bellingcat Productions BV. Author of We Are Bellingcat.
David Oxley @oxley.io Senior leader for detection and response at Anduril Industries. @CitizenLab.ca Research Fellow. Former federal agent. Fan of space, books, cyberpunk, sci-fi, espionage history, and storms. Personal account. 🇺🇸 🇺🇦 🇹🇼 #ThreatIntel
Storm chasing 📸 🌪️: @wxdox.com
Pasquale Stirparo 🇺🇦 🇪🇺 @pstirparo.bsky.social Founder @ RationalEdge
#ThreatIntel #ICS #DFIR; ''Learning iOS Forensics'' author;
#BSidesZH #PIVOTcon org.
@pivotcon.bsky.social
https://pstirparo.ch
https://rationaledge.io
Related interests/obsessions:
#ThreatHunting #CTI #YARA #CriticalThinking #Books
Zach Edwards @thezedwards.bsky.social data supply auditor | privacy & ad tech expert | internet threats
Personal @ victorymedium.com
Work @ Staff Threat Researcher @ Infoblox.com
Co-Founder @ DecryptAds.com
Anton Cherepanov @cherepanov.bsky.social Malware Researcher
Andrew Whalley @arw.me An Englishman in San Francisco. Director of Security for Google Chrome.
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
Stephanie Kirchgaessner @skirchy.bsky.social Deputy editor of investigations, Guardian US. I write/edit stories on any topic that should be investigated. https://www.theguardian.com/profile/stephanie-kirchgaessner
Alex K. @kafsofit.bsky.social 🟡⚪️🟣⚫️
Posts en/in Spanglish:
Tecnólogue, trabajadore social. Creo en la justicia transformativa, el apoyo mutuo y la organización comunitaria.
Technologist, social worker. I believe in transformative justice, mutual aid, and community organizing.
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
Selena Larson @selenalarson.bsky.social loves dogs, sports, memes. she/her. podcaster. "bluesky's humblest resident nailfluencer 💅" - Jerry
my heart is in the west 🌵🌊 views mine.
Alex Stamos @stamos.org CPO/CSO of Corridor.dev, teaching at Stanford.
DistrictCon @districtcon.bsky.social A new DC hacker conference: Bringing together builders, breakers, and fixers to do cool shit.
Feb. 6-7, 2027
districtcon.org
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.
jiska @naehrdine.bsky.social ɿɘɘniϱnɘ ɘƨɿɘvɘɿ
🎦 youtube.com/@jiskac
📝 naehrdine.blogspot.com
🐥 twitter.com/naehrdine
🎓 hpi.de/classen
📱 reversing.training
Julian-Ferdinand Vögele @julianferdinand.bsky.social Threat Research @ Recorded Future. Previously @ Security Research Labs. He/Him. 🏳️🌈
Ali @endingwithali.com software engineer @ fintech- content creator @ http://links.ali.dev - threatwire host @hak5 - @breakingthepod - nyc - ex @miteecs - jewish
Paul Chichester CMG MBE @0xchich.bsky.social Director Operations, NCSC, GCHQ. 30+ years in Government Cyber Operations. Views entirely my own and do not necessarily reflect those of my organisation. 🏴 🇺🇦
Lily Hay Newman @lhn.bsky.social Security reporter for WIRED Magazine. she/her/my man. Signal +1 (347) 722-1347
Nikita Borisov @nikitabear.bsky.social