Theo @t3.gg Full time CEO & YouTuber. Also an investor and developer. More info at t3.gg
The Shadowserver Foundation @shadowserver.bsky.social Our mission is to make the Internet more secure by bringing to light vulnerabilities, malicious activity and emerging threats. Join our Alliance!
https://shadowserver.org/partner
@infosec.bsky.social @infosec.bsky.social 
InfoSec 🇫🇷 @infosecfr.skyfleet.blue Flux d'info sur la cybersecurité, infosec
🇺🇸 @infosec.skyfleet.blue
🆘 @skyfleet.blue
Myrtus @malwareindepth.com Malware Researcher | Developer | @Cryptolaemus1
| @NVIDIA
Will happily talk about malware with anyone.
Malware Unicorn @malwareunicorn.bsky.social @Straiker. Ex-Microsoft. Ex-Meta RedTeam, Ex-Endgame, Ex Fireeye. malwareunicorn.org
Jake Williams @malwarejake.bsky.social Breaker of software, responder of incidents, IANS Faculty, VP R&D Hunter Strategy.
Marcus Hutchins @malwaretech.com threads.com/@malwaretech
https://linkedin.com/in/malwaretech
https://marcushutchins.com
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
Intel Night OWL 🦉🇺🇸 @intelnightowl.bsky.social RePost ≠ endorsements | OpenSource RnD | OSINT COMINT SIGINT CYBINT ELINT GEOINT ADINT MetaData | ADSB AIS SAT | SDR IoT Arduino Linux | COFFEE
🔥 Follow OSINT Starters 🔥
go.bsky.app/TSvKc6o
go.bsky.app/NKZeoR9
go.bsky.app/PzSSWrC
Valdemar Balle @valdemarballe.bsky.social Dedicated to OSINT, SOCMINT & vHUMINT | MSc Data Science Stud. | BSc Sociologist | Founder of Darksight Analytics | Co-founder of OSINord | Paliscope Ambassador | OSINT Blogger
Cyber Space @cyberspacex.bsky.social cybersecurity, infosec, osint, threat intel, memetic warfare, advanced persistence stalker...
Digital Trails Academy @d1g1taltrails.bsky.social Your guide to digital investigations #OSINT #SOCMINT #HUMINT
🔗 digital-trails.academy
Emma Hoes @emmahoes.bsky.social Political Scientist & Experimentalist | 🔍(Political) News, (Mis)information | Social Media | Trust & Skepticism | AI | (Field) Experiments🔬
University of Zurich, Department of Political Science
💻 www.emmahoes.com
Fil Menczer @fil.bsky.social Researcher on social media misinformation and manipulation, director of the Observatory on Social Media (OSoMe.iu.edu, pronounced “awesome”) at Indiana University
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
Dr. Dan Lomas @sandbaggerone.bsky.social Assistant Professor, University of Nottingham. Writes on 🇬🇧 intelligence.
Remains an opinionated Northerner & Mancunian. ✍ Vetting, 'Friends' & UK intelligence 📚 🇺🇦 Views my own.
🔗 https://www.nottingham.ac.uk/politics/people/daniel.lomas
Dr. Bilyana Lilly 🦋🌻 @bilyanalilly.bsky.social Author of “Russian Information Warfare” | Cyber chair, WSF | Randite | Oxonian | Bear huntress
Ninja Owl @ninjaowl.ai Ninja Owl specialises in Proactive Cyber & Privacy Security.
📰: This is our auto news feed to keep you up-to-date and aware.
🕸️: https://ninjaowl.ai
#cybersecurity #hacking #news #security #technology #infosec #osint 
Sylvain HAJRI @navlys.bsky.social Passionate about #OSINT.
Founder of epieos.com, a powerful reverse email/phone lookup OSINT tool.
lehack.org #OsintVillage Founder,
osintfr.com co-founder
D:\unk.osint @thetechhouse.bsky.social {your adjective} Yorkshireman. Reads books and learns things. Threat Intel bod. Likes OSINT and radios. Did some SANS courses once. Prefers animals to people. Occasional shitposting.
0x786d @0x786d.bsky.social Pentesting, malware analysis, threat hunting & intelligence, OSINT, AI & ML
Christo Buschek @christobuschek.net Data, computations and investigations | Pulitzer Prize 2021 | Der SPIEGEL | Mozilla Senior Fellow 2025 | https://christobuschek.net | christo.buschek@proton.me
Alexanders @frenchie-osint.bsky.social CCI, OSINT, Threat Intelligence, Investigations; Got on my dead man's suit and my smilin' skull ring
Research lead at Cyble
Talks about Hacktivism and OSINT
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
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
Cybintelligence @cybintelligence.bsky.social OSINT, cybercrime, darknet and a lot of other things not cyberz related
Scott Mendelson @scottmendelson.bsky.social A box office columnist for Puck News, but also head over to The Outside Scoop at Substack for everything else worth reading (box office, reviews, analysis, think pieces, etc.)
https://scottmendelson.substack.com/
Technopolis.tv @technopolis.tv Husband ▫️ Father of 6 ▫️ Cypherpunk ▫️ Hacker ▫️ Blogger ▫️ (Embedded) Programmer
Advanced journeys into digital madness!
https://www.technopolis.tv
#Arduino #ESP32 #STM32 #LoRa #Linux
SANS.edu Internet Storm Center @sansisc.bsky.social http://isc.sans.edu - Global Network Security Information Sharing Community - Daily blogs and cyber security news podcast.
Open Source Security, Inc. @opensrcsec.bsky.social Open Source Security Inc.
Creators of @grsecurity®
Layer 8 Conference and Podcast @layer8conference.com June 14th, Boston
5th Layer 8 Conference
#OSINT #SocialEngineering
https://layer8conference.com 
Neal @nealysart.bsky.social I listen to music a lot, I ride motorcycles and I investigate cyber & financial crime, corruption and other wrongdoings.
🇵🇭 🏴
MacNeal-LCB & Partners
https://macneal-lcb.com/
The Coalition of Cyber Investigators
https://www.coalitioncyber.com
The Centre for Investigative Journalism @tcij.org We provide world-class investigative training and promote investigative journalism worldwide. We run #OCRI #CIJLogan and #ProtectingSources tcij.org
Investigator515 @investigator515.bsky.social Investigator turned OSINT Analyst | Author | Follow for #OSINT #Defense #Infosec | Memes | NAFO ✅ | Ukraine ✅ | Disinformation 🚫 | investigator515.substack.com | 🐕🦺 > 🐈 | 🐧 > 🪟 and always, 🍍 on 🍕
OSINTgeek @osintgeek.de Erlerne Ermitteln. Herstellerunabhängige Schulungen zu Open Source Intelligence und digitalen Ermittlungen.
https://linktr.ee/osintgeek
Paul Wright @londoncity325.bsky.social With over 30 years of experience, Paul has developed notable expertise in cybercrime, intelligence (OSINT and HUMINT) and digital forensics
OSINT Switzerland @osintswitzerland.bsky.social An association for experts, practitioners, and learners with the shared goal of developing and expanding their knowledge of open-source intelligence techniques.
https://osintswitzerland.ch/
Uncle Joe @sydseter.com Co-leader OWASP Cornucopia. If you like what we do for open source, visit our code repository https://github.com/OWASP/cornucopia and give us a star ⭐
🌈 «Difference is of the essence of humanity» 🦄 – John Hume
#appsec #owasp #cornucopia #threatmodeling
shenetworks @shenet.works Networking • Hacking • Hacking Networks (she/her)
shenet.works
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
Jason Haddix @jhaddix.bsky.social CEO, CISO, Trainer, Hacker, and Speaker.
AI + hacking + sec leadership.
ex:BuddoBot-Ubisoft-Bugcrowd-Fortify-HP-Redspin-Citrix.
Ali @endingwithali.com software engineer @ fintech- content creator @ http://links.ali.dev - threatwire host @hak5 - @breakingthepod - nyc - ex @miteecs - jewish
John Hammond @johnhammond.bsky.social Hacker. Friend. Cybersecurity Researcher at Huntress.
Jack Rhysider @jackrhysider.bsky.social Creator of Darknet Diaries.
Verification: https://twitter.com/JackRhysider/status/1675298532406984707
Phillip Wylie @phillipwylie.bsky.social Offensive Security Professional | Phillip Wylie Show Podcast Host | The Pentester Blueprint coauthor | TribeOfHackers Red Team | https://linktr.ee/phillipwylie
Bee 🐝 @securibee.bsky.social Helping you hack a life you love.
💌 https://www.hivefive.community/
Joe B. - BlindHacker @blindhacker.bsky.social 
Pwnallthethings @pwnallthethings.bsky.social Just thinking out loud.
Swissky @swissky.bsky.social RedTeam | Pentest
Author of PayloadsAllTheThings & SSRFmap
http://github.com/swisskyrepo
Katie Paxton-Fear @insider.phd Dr, apparently. Security Adovcate @semgrep & Hacker. #BugBounty hunter & #infosec YouTuber. APIs & Interlinked OffSec, PhD in AI+Sec @hacknotcrime. she/her
HackTheBox @hackthebox.bsky.social 
InfoSec @infosec.skyfleet.blue Relay Tracking News & Blogs about infosec, cybersec
- source removal/addition suggestions welcome !
CVE : check out @cve.skyfleet.blue
🆘 @skyfleet.blue
InfoSeq @infoseq.co InfoSeq is a comprehensive Australian #AppSec Agency dedicated to securing our clients’s applications through top-tier web application and API penetration testing, as well as #DecSecOps implementation.
Bugcrowd @bugcrowd.com The leading provider of crowdsourced cybersecurity solutions purpose-built to secure the digitally connected world...Unleash Ingenuity™
OWASP® Foundation @owasp.org We improve the security of apps with community-led open source projects, 260 local chapters, and tens of thousands of members worldwide. Famous for OWASP Top 10
Stefán Jökull Sigurðarson @stebet.net Microsoft MVP, Code Wrangler @haveibeenpwned.com, .NET Foundation member, @stebets@infosec.exchange. He/him
Jay 🦋 @jay.bsky.team Founder & Chief Innovation Officer @ Bluesky
Working on @attie.ai
🌱 🪴 🌳
SwiftOnSecurity @swiftonsecurity.com computer security person. former helpdesk
Zoë Rose @rosesec.bsky.social #mumSec
Troy Hunt @troyhunt.com Creator of Have I Been Pwned. Microsoft Regional Director. Pluralsight author. Online security, technology and “The Cloud”. Australian.
Lisa Forte @lisaforte.bsky.social Cyber security, climbing, caving and diving! 💜
jkcso @jkcso.bsky.social I make cyber security easy for devs at the GitHub Security Lab
Gareth Heyes @garethheyes.co.uk Web security researcher at PortSwigger. Author of JavaScript for Hackers, Shazzer and Hackvertor.
https://garethheyes.co.uk/#latestBook
Tanya Janca | SheHacksPurple @shehackspurple.bsky.social Secure Code Trainer - Best-selling author of Alice and Bob Learn Secure Coding & Alice and Bob Learn Application Security. #AppSec she/her
https://shehackspurple.ca 🌻
David Bombal @davidbombal.bsky.social YouTube: http://youtube.com/davidbombal
Discord: http://discord.davidbombal.com
Website: http://davidbombal.com
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
Tib3rius @tib3rius.bsky.social Web App (mostly) Hacker | Cybersecurity Educator | Content Creator | Ex-Brit | Links: http://linktr.ee/tib3rius (he/him) 🇺🇸 A mostly unserious person. @therealc3rul34n.bsky.social is bae 🥰
vortex @vortex.au I do offensive security things on the internet
૮ ･ ﻌ･ა Trash Puppy @trshpuppy.bsky.social Hacker | Former ER Nurse | Definitely not Tom | Rooting thru your trash
૮ ฅ• ﻌ -ฅ ა
Pirate Software @piratesoftware.live Game Dev - Streamer 💛 Go Make Games - https://develop.games 💜 Ferret Rescue - https://ferrets.live 💛 Business: Pirate@sidequestmedia.com
Bluesky @bsky.app official Bluesky account (check username👆)
Bugs, feature requests, feedback: support@bsky.app