es3n1n @es3n1n.bsky.social developer, reverse engineer, occasionally a ctf player
https://github.com/es3n1n
PlusPlus @newsknot.bsky.social 🇪🇺🇺🇦🇬🇱Europe is our continent, our future is decided here, not there.
Vulnerability-Lookup @vulnerability-lookup.social.circl.lu.ap.brid.gy This account shares a variety of activities, including comments and bundles, related to events on the vulnerability.circl.lu community.
[bridged from https://social.circl.lu/@vulnerability_lookup on the fediverse by https://fed.brid.gy/ ]
Troy Hunt @troyhunt.com Founder & CEO of @haveibeenpwned.com, the most trusted name in data breach intelligence. Speaker, blogger, Microsoft Regional Director. Gold Coast, Australia.
The Register @theregister.com Your favorite enterprise technology news vultures, flying high in the Bluesky – On the web since 1998 – More here: https://www.theregister.com/
University of Luxembourg @uni.lu News and events from the University of Luxembourg, an international research #university founded in 2003. @uni.lu
#uni_lu | www.uni.lu
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/
0sintSir🕵🏻♂️ @0sintsir.bsky.social Founder @ OSINord.com | Lead, Cyber Threat Intelligence @ LEGO | ex- @ Rapid7 | Blogger | Navy Veteran | OSINT Addict.
Matthew Kennedy @matthewkennedy.bsky.social Manager at Microsoft Threat Intelligence Center (MSTIC). Adjunct Faculty at Georgetown University. Penn State Alum. Tweets are my own.
Steve YARA Synapse Miller @stvemillertime.bsky.social threat intelligence @google
writing & sharing on adversary tradecraft, malware, threat detection, ics/ot + cyber physical intel, and of course all things #yara
John @bigbadw0lf.bsky.social Frontline Intelligence with #AdvancedPractices 🦅 @Google Threat Intel | views are my own
Kevin @kevsecops.bsky.social Working in IT-Security - in Love with Open Source - Homelab - interested in Photography, Sustainability, Podcasts and Tech - I am here to find interesting people and things
Mike Melton @mikemelton.bsky.social All photos are my own and not AI.
I am a filmmaker and photographer based in Olympia, WA, and Bijagua, Costa Rica @casabentbill.bsky.social but I spend as much time as I can in hot, humid, tropical forests. Because that's where the birds are!
he/him
Germán Fernández @1zrr4h.bsky.social 🏴☠️ OFFENSIVE-INTEL 🏴☠️ Cyber Threat Intelligence by Hackers | Security Researcher en CronUp.com | CuratedIntel Member | 🥷🧠🇨🇱
Space Weather Watch @spacewxwatch.bsky.social Space weather physicist sharing northern lights forecasts and solar physics updates. Local forecasts for your area: https://auroraforecasttonight.com
ExecuteMalware @executemalware.bsky.social Malware analyst
@hasherezade.bsky.social @hasherezade.bsky.social Programmer, #malware analyst. Author of #PEbear, #PEsieve, #TinyTracer. Private account. All opinions expressed here are mine only (not of my employer etc) ; https://hasherezade.net
Lawrence Abrams @lawrenceabrams.bsky.social Ransomware, Online Security, and Malware. Owner, Editor in Chief of @bleepingcomputer.com
DM on Signal: LawrenceA.11 * Telegram: lbleeper * http://infosec.exchange/@lawrenceabrams
Jocelyn Anderson Photography @jocelynanderson.bsky.social Photography who is a big fan of birds
@linkcabin.bsky.social @linkcabin.bsky.social 
Brad @malware-traffic-analysis.net Sharing information on malicious network traffic and malware samples at https://www.malware-traffic-analysis.net/
StrikeReady Labs @strikereadylabs.com https://strikeready.com/blog.html
Download live malware samples mentioned here: https://github.com/StrikeReady-Inc/samples
If you prefer marketing (our product is great!) subscribe to our main page @strikeready.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
Jill Moria @jillem.bsky.social Perpetually bruised boulderer. She/They
Dr William Allchorn @willallchorn.bsky.social Senior Research Fellow @ipppriataru.bsky.social, Assoc Prof @richmondunildn.bsky.social, & Gbl Far Right Co-Editor @manchesterup.bsky.social, researching Far-Right Movements and CVE Responses. https://www.aru.ac.uk/people/william-allchorn
etguenni (Günter Born) borncity.com @etguenni.bsky.social IT-Aut(h)or, (Security-)Blogger, Ex MS MVP, Computer, Windows, Linux, Technics
Borns IT- & Windows-Blog & Impressum
http://borncity.com/blog/
EN: http://borncity.com/win/
Mastodon: http://social.tchncs.de/@gborn
Christopher Glyer @cglyer.bsky.social Microsoft Threat Intelligence Center - Former Incident Responder & Chief Security Architect @Mandiant
Lasq @lasq.pl Advanced Practices 🦅 @Google Threat Intelligence Group
Threat Attribution, Frontline Intelligence, Malware Analysis, Threat Hunting, Incident Response
#attributionmatters
visi stark @invisig0th.bsky.social Founder of The Vertex Project (@vtxproject)
Father of the #APT1 Report @Mandiant.
Inventor of #synapse, #vivisect, UNCs, imphash, ...
DEFCON CTF Champion, Founder of Kenshoto
13Cubed @13cubed.bsky.social The official Bluesky account for 13Cubed. Follow @davisrichardg for my personal account.
Microsoft Threat Intelligence @threatintel.microsoft.com We are Microsoft's global network of security experts. Follow for security research and threat intelligence. https://aka.ms/threatintelblog
MalwareHunterTeam @malwrhunterteam.bsky.social https://x.com/malwrhunterteam | https://id-ransomware.malwarehunterteam.com/
The Hacker News @thehackernews.bsky.social #1 Most trusted publication for breaking cybersecurity and hacking news, insights, and analysis for information security professionals.
Frank Rieger @frankrieger.bsky.social 
Freiheitsrechte.org - GFF @freiheitsrechte.org Wir gehen für die Grundrechte vor Gericht. Deine Unterstützung zählt: freiheitsrechte.org/mitmachen
🖋 TiiaAurora 📚 @tiiaaurora.bsky.social Penfluencer and Inksimp
Art and poetry
Philomath
Find me at Threads: @tiiaaurora
Mastodon: https://mstdn.games/@TiiaAurora & https://chaos.social/@TiiaAurora
Lalon Sander @lalonsander.bsky.social Coding Journalist | Data+Automation beim @ndr.de, Climate+Data bei der @taz.de | Mastodon: https://chaos.social/@lalonsander | Projekt: @linksfilter.bsky.social
Golem @golemde.bsky.social Wir schreiben nicht nur über IT, Technik und Wissenschaft, wir begeistern uns auch für sie. Wir fassen Technik gern an, probieren sie aus, spielen mit ihr und erklären sie mit journalistischem Anspruch.
Florian Roth @cyb3rops.bsky.social Placeholder profile : https://x.com/cyb3rops | glad to be in this respectful safe space | vi/vim
Christian Nuernbergk @nuernbergk.bsky.social U Trier: Professor of Media and Communication.
Michael Bechtel @qnbechtel.bsky.social Journalist i.R., * 1949 in Trier, parteilos links, engagiert für eine wehrhafte Demokratie, gegen Nazis und Irrationalismus, für Klimaschutz
Universität Trier @unitrier.bsky.social Hier postet das Team Kommunikation & Marketing der #UniTrier Infos & Updates. Impressum: uni-trier.de/impressum; Datenschutz: bluesky.uni-trier.de
Verena Hubertz @verena-hubertz.de Für Trier und Trier-Saarburg im Bundestag | Stellvertretende Fraktionsvorsitzende SPD | Gründerin Kitchen Stories 
Ruhr-Universität Bochum @ruhr-uni-bochum.de BUILT TO CHANGE. Unsere Haltung. Unsere Zukunft.
Willkommen auf dem offiziellen BlueSky-Profil der #RuhrUniBochum!
🗞️ RUB-News: https://news.rub.de/
📌 Impressum: http://rub.de/de/impressum
📌 Datenschutz: https://www.rub.de/de/datenschutz
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
Nate Warfield @n0x08.bsky.social Network Security | Hacker | WIRED25 2020 | CTI-League Founder | Security Researcher
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.
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. 🏳️🌈
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
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
Jay Peters @jaypeters.net Senior Reporter at @theverge.com. Email tips to jay.peters@theverge.com.
Personal website is https://jaypeters.net.
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.
Popehat @kenwhite.bsky.social Defunct account of Ken White, criminal defense attorney and First Amendment litigator. Co-host of Serious Trouble podcast and writer at The Popehat Report. Opinions here are my own. Decent people fight evil.
Signal: KenWhite.1969
Patrick Gray @patrick.risky.biz https://risky.biz/
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.
SteveD3 (Steve Ragan) @steved3.io Father. Grandpa. Geek. Hacker. Former journalist. Security researcher. CMO @BSidesLV.org Member: Curated Intel 
Jeremy Kirk @jkirk.bsky.social Okta Threat Intelligence. Personal account. Interests: Cyber threat intelligence, OSINT, data breaches, AI. Formerly intel analysis @ Intel 471. jeremykirk.com
Ryan Mac 🙃 @rmac.bsky.social NYT tech reporter
Co-author of Character Limit
Signal: rmac.18
ryan.mac@nytimes.com
rmac18@protonmail.com
https://www.penguinrandomhouse.com/books/737290/character-limit-by-kate-conger-and-ryan-mac/
https://linktr.ee/ryan_mac_
Lily Hay Newman @lhn.bsky.social Security reporter for WIRED Magazine. she/her/my man. Signal +1 (347) 722-1347
Matt Burgess (WIRED) @mattburgess1.bsky.social Security writer @wired.com
Cybercrime, privacy, surveillance, and more.
Signal: mattburgess.20 | Email: matt_burgess@wired.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.
Tom Uren @tom.risky.biz Author of the Seriously Risky Business cyber security newsletter
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
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
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.
Beau Woods @beauwoods.com hack all the cybers
Rob Joyce @rgblights.bsky.social Cyber guy. Former NSA cybersecurity director and chief of TAO. Lover of memes. Warning - occasional outrageous Christmas light content.
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
Pwnallthethings @pwnallthethings.bsky.social Just thinking out loud.
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.
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
Marcus Hutchins @malwaretech.com threads.com/@malwaretech
https://linkedin.com/in/malwaretech
https://marcushutchins.com
Mathy Vanhoef @vanhoefm.bsky.social Prof. @KU_Leuven | Research in Network & Software Security | Known for WPA2 KRACK attack, Dragonblood, and FragAttacks | Open to consultancy | Ex-Postdoc NYU
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
Silas Cutler @silascutler.bsky.social You may know me from your server logs.
#Malware, Hacks, Internet Scanning, #CTI
Dominic White @singe.bsky.social Hacker at Orange Cyberdefense's SensePost Team
https://hello.singe.za.net/
Bob Lord @boblord.bsky.social Cautiously pessimistic, esp. about cyber things.
The owls are not what they seem. 🗻🗻🦉🌲🪵 🍒🥧☕️🍩 🕵🏼♀️ 👍🏻
Also: 🔐🔑🔒
And of course: hacklore.org
Other account: @hacklore.bsky.social
🔮 Daniel Hückmann @sanitybit.com ∞ 42 ∞
📷 Photography: @danielhuckmann.com
🌐 Organizer: @rainsec.org || @netsec.bsky.social
🦋 InfoSec, Psychedelics, Psychology, & Neuroscience
hackerfantastic.crypto @hackerfantastic.bsky.social Co-Founder https://hacker.house cyber security assurance & hacker training ~ ISBN9781119561453 ~ a book on professional hacking. Contact for competitive quotes on cyber security projects. 
Danny Palmer @dannypalmer.bsky.social Freelance cybersecurity journalist & writer. Welsh. SE London.
Also likely to post about games, rugby, F1, wrestling & the cat.
I have a Simpsons reference for every occasion.
Will T @bushidotoken.net 🇬🇧 | Senior Threat Intelligence Advisor at Team Cymru | Co-author SANS FOR589 | Co-founder Curated Intel
James Sanders @jamesaltonsanders.com Senior Analyst at TechInsights on Microprocessor Report, covering CPUs, GPUs, and QPUs, also gaming. Cheerful pessimist. Hype resistant. Accept no substitutes. Ex-journalist. Seattle. (He/Him.) 日本語おK
Opinions mine, not of my employer.
Signal: jasanders.72
Sarah McLaughlin @sarahemclaugh.bsky.social Global Expression, FIRE. Book: Authoritarians in the Academy, @hopkinspress.bsky.social (August 2025). https://www.press.jhu.edu/books/title/53835/authoritarians-academy
Signal: sarahemclaugh.01. Go birds.
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.
Ben Read @benread.bsky.social CTI @wizsecurity.bsky.social
Adjuct at @jhu.edu - SAIS
Nonresident Fellow at @atlanticcouncil.bsky.social - Cyber Statecraft
Previously NSC44, Mandiant, Google
Go Mammoths
Dr Ravi Nayyar @ravirockks.bsky.social Everything Security | Associate Researcher @ RAND Oz | Fellow @ Social Cyber Institute and @ASPI-org.bsky.social | Blogging @atechnolegalupdate.substack.com | Cricket, #Bloods | #KalikaMataKiJai
Cynthia Brumfield @metacurity.com DC resident and cybersecurity writer, analyst, book author, publisher. https://metacurity.com/ https://cyberriskbook.com/
https://www.csoonline.com/profile/cynthia-brumfield/ https://infosec.exchange/@metacurity
Send tips to Cynthia.507 via Signal.
Sergiu Gatlan @serghei.bsky.social Cybersecurity/tech reporter @BleepingComputer / serghei.ro
Peter Stöckli @ulldma.bsky.social Security Researcher and Software Engineer at GitHub Security Lab
Jim Troutman @jtroutman.bsky.social fixing or building broadband & Internet & data centers since 1992 | Co-founder NNENIX.net & nepeeringforum.org | Skytalks.info | He/Him/Papa. | I speak for myself. | Tired and cranky but not a curmudgeon. Yet. | roaming New England & Atlantic Canada
Suzanne Smalley @suzannesmalley.bsky.social Reporter covering digital privacy and cybersecurity policy for The Record. Mom. Pub trivia queen. Crossword enthusiast. Literary fiction connoisseur. Idiosyncratic. Signal: Suzanne.236 Email: suzanne.smalley@therecord.media.
Shane Huntley @shanehuntley.bsky.social Aussie security / tech guy.
Google Threat Intelligence. Co-founder Threat Analysis Group (TAG). Tweets are my own not my employers.
🎸Paul🎹 @paul.bsky.social Network security, Audio production w/ Bitwig & Logic Pro, analog synths, guitars, and Metroidvanias.
🇺🇸/🇲🇽
Cyberknow @cyberknow.bsky.social Situational Awareness | Threat Research | Memes |#cybertracker | 'cyberwarfare' Correspondent | Meme Farmer 🇦🇺🇦🇺
Posts and Opinions are my own
al3x @cyb3rkitties.bsky.social they/she. spreader of virtual kitties. 🐱
threat intelligence & malware, mostly Russia stuff.
probably reading reports.
nerdy and witchy things. rabbit holes. naps are underrated.
seachelli @seadev.bsky.social 
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)
Nick Biasini @infosec-nick.bsky.social Head of Outreach at Cisco Talos. These are my views not my employers. @infosec_nick on the other site.