Worty @w0rty.bsky.social Organizer of HeroCTF || ctf w/ FlatNetworkOrg || TeamFR 2021 & 2022 🇫🇷 || 🥷 Synacktiv
Phrack Zine @phrack.org since 1985
https://phrack.org
Charles @charles.dardaman.com AI | Hacking | Security | Malware | Founder/CTO (acq.) | CS PhD @UT_Dallas
n1nj4sec @n1nj4sec.bsky.social Hacker | Bug Bounty Hunter
abrahack @abrahack.bsky.social Bug Bounty Hunter | hackerone.com/abrahack .
Synack Red Team Member @SynackRedTeam | acropolis.synack.com/inductees/abrahack
My blog | https://abrahack.com
Georgije Vukov @vuk0v.bsky.social nop ; Note that anything expressed does not necessarily coincide.
h3ri0s @h3ri0s.bsky.social CTF Player @teambi0s | Web exploitation
.y0x @yo0x.bsky.social Infosec | French Casual Bug Hunter at @yeswehack | Hacking Lover
Anthony @darkfloyd1216.bsky.social VXRL/VXCON/Blackhat Asia & USA review board/Browser vulnerability & exploitation
techy @techy.detectionengineering.net Creator of Detection Engineering Weekly (https://detectionengineering.net), Sec Research/Intel/Detection @ Datadog
Spix0r @spix0r.bsky.social Bug Bounty Hunter | Github: https://github.com/Spix0r
Wen Bin @kongwenbin.bsky.social Penetration Tester | Bug Bounty Hunter. YT: https://youtube.com/@kongwenbin Blog: https://kongwenbin.com #bugbounty #bugbountytips #hacking #infosec #cybersecurity
ggisz @ggisz.bsky.social AppSec & Offensive Security
newsoft @newsoft.bsky.social Hacker, cyber security expert, troll, etc.
CERT-FR @cert-fr.bsky.social Centre gouvernemental et national de veille, d'alerte et de réponse aux attaques informatiques.
Pour toute question : cert-fr@ssi.gouv.fr ou par téléphone au 3218
Sytten @thesytten.bsky.social Co-Founder of @CaidoIO
Black Hat @blackhatevents.bsky.social The world's premier Technical Cybersecurity Conference Series
Signal @signal.org Signal is a nonprofit end-to-end encrypted communications app. Privacy isn’t an optional mode, it’s the way Signal works. Every message, every call, every time. https://signal.org/donate/
Proton @proton.me Choose a better internet where privacy is the default. Start protecting your personal information online with Proton Mail, Proton VPN, Proton Drive, Proton Pass, Proton Wallet, and Lumo: https://proton.me/
GrapheneOS @grapheneos.org Open source privacy and security focused mobile OS with Android app compatibility.
https://grapheneos.org/
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
Orange Tsai @orange.tw This is 🍊- V @volkercarstein.bsky.social @volkercarstein.bsky.social
d4d @zakfedotkin.bsky.social Zak Fedotkin
All thought are mine and mine alone
Alfin @alfinjose.bsky.social CVE-2023-52555 | Web Security Researcher | CTF player bi0s
Justin Gardner @rhynorater.bsky.social Christian | Full-time Bug Bounty Hunter | Host @ctbbpodcast.bsky.social | Advisor @caido.io | 3x LHE MVH | 🗣️ English, 日本語
Luke Jahnke @nastystereo.com Blogging at https://nastystereo.com
Jorian @jorianwoltjer.com Normalize being weird.
James Forshaw @tiraniddo.dev Security researcher in Google Project Zero. Author of Attacking Network Protocols. Posts are my own etc. 
W00dy @woody.sh Reverse @ Synacktiv | CTF w/ TFNS
harmj0y @harmj0y.bsky.social Researcher @SpecterOps. Coding towards chaotic good while living on the decision boundary. #dontbanequality
0xdf @0xdf.bsky.social Principal Training Architect @ HackTheBox
CTF Addict
"Potentially a legit researcher"
he/him
Website: https://0xdf.gitlab.io/
YouTube: https://www.youtube.com/c/0xdf0xdf
Twitter: 0xdf_
Discord: 0xdf
Mastadon: 0xdf@infosec.exchange
XPN @xpnsec.com Hacker for hire at @specterops.bsky.social
Blog: https://blog.xpnsec.com
Bluetouff @bluetouff.bsky.social - https://l0g.fr : NextGen OpenSource Economic Risk Monitoring Lab
- Essai : https://bluetouff.com/auditer-l-opacite.html
Isis @1sis.bsky.social 
OSINT-FR @osintfr.bsky.social Association OSINT-FR | https://OSINTFR.COM/ | Communauté dédiée à l'Open Source Intelligence. Événements, apprentissage et collaborations autour des pratiques liées à l'OSINT.
rayanlecat @handle.invalid Pentester
Dirk-jan @dirkjanm.io Hacker at outsidersecurity.nl. Researches Entra ID, AD and occasionally Windows security. I write open source security tools and do blogs/talks to educate others on these topics. Blog: dirkjanm.io
TrendAI Zero Day Initiative @thezdi.bsky.social TrendAI Zero Day Initiative™ (ZDI) is a program designed to reward security researchers for responsibly disclosing vulnerabilities.
Quarkslab @quarkslab.bsky.social Securing every bit of your data
https://quarkslab.com
noperator @noperator.bsky.social tech tasks are cool and hacking is great
Sam Stepanyan @securestep9.bsky.social OWASP London Chapter Leader. #OWASP Global Board Member. OWASP #Nettacker Project Leader. #AppSec Consultant, #CISSP. Follow me on Twitter/X and Mastodon https://twitter.com/securestep9 https://infosec.exchange/@securestep9
OWASP Ottawa @owaspottawa.bsky.social The OWASP Chapter for Canada's Capital region.
https://owasp.org/ottawa/
Join us for monthly meetups discussing a variety of security topics.
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
Michael Blake @michael1026.bsky.social Application security engineer / bug bounty 
s1r1us | Mohan Sri Rama Krishna Pedhapati @mohansrk.bsky.social Founder @ElectrovoltSec Browser and Web Security @cure53berlin, Blockchain Security @osec_io, Rambling on http://mohansrkp.substack.com
Plenum @plenumlab.bsky.social Mostly crushing it, basically everyday
Tom Stacey @t0xodile.com Security researcher at PortSwigger. You can find all of my write-ups and research at https://thomas.stacey.se.
@droner.bsky.social @droner.bsky.social researcher. exploit dev. pdx. hacking @ atredis
https://dronesec.net/
OffensiveCon @offensivecon.bsky.social OffensiveCon is a highly technical international security conference focused on offensive security only. Organized by Binary Gecko GmbH.
Hexacon @hexacon.bsky.social Offensive security conference in the heart of Paris. 10-11th October 2025
https://www.hexacon.fr/
SpecterOps @specterops.io Creators of BloodHound | Experts in Adversary Tradecraft | Leaders in Identity Attack Path Management
Gabriel Thierry @gabrielthierry.eurosky.social Journaliste, aux manettes de la newsletter cybercrime Pwned | gabrielthierry@protonmail.com https://linktr.ee/gabrielthierry
Maxime Escourbiac @fisjkars.bsky.social Red Team Leader @Michelin
#Security Fan de gastronomie
Reza Sahaf @rezasahaf.bsky.social Bug Hunter
jub0bs @jub0bs.com infosec enthusiast • Go dev & trainer • contributor to the Go project • minimalist • chaotic good • trying to make sense of the Web • he/him
Blog: https://jub0bs.com
Free Go course: https://github.com/jub0bs/go-course-beginner
Free 🇵🇸! Leave 🇱🇧 alone!
John Hammond @johnhammond.bsky.social Hacker. Friend. Cybersecurity Researcher at Huntress.
Assetnote @assetnote.io True Attack Surface Management - https://assetnote.io
Maëlle @labrosseadam.bsky.social J'organise des CTF et (parfois) je touche de l'herbe
Nishacid @nishacid.bsky.social Yo
Baptiste M. (Creased) @creased.re #RE #Pwn #FPV ~ Learning is endless ~ 🇫🇷 ~ @Synacktiv.com
YanZaX @yanzax.bsky.social 
Mastering Burp Suite @mastering-burp.agarri.fr Tips and tricks for Burp Suite Pro 🛠️
Not affiliated with @portswigger.net ©️
Managed by @agarri.fr 🇫🇷
Additional free resources 🎁
http://hackademy.agarri.fr/freebies
blackndoor @blackndoor.bsky.social 
Swissky @swissky.bsky.social RedTeam | Pentest
Author of PayloadsAllTheThings & SSRFmap
http://github.com/swisskyrepo
Rémi GASCOU (Podalirius) @podalirius.bsky.social Security Researcher & Speaker | Microsoft Security MVP | Developer of security tools | 🎬 http://youtube.com/c/Podalirius
Aituglo @aituglo.bsky.social Bug Bounty Hunter 
Icare @icare1337.bsky.social Pentester at Thales DIS | OSCP | Bug Bounty Hunter | Researcher | Ethical Hacker | " Be creative, live a fun life, and don't be an asshole." - Ken Block |
adibou @adibou.bsky.social hacking things
Lukas Weichselbaum @webappsec.dev Leading Google's web security team.
Passionate about web security and making secure-by-default web development the norm. Contributed to web platfom security features like CSP, Fetch Metadata, COOP and Trusted Types.
Web Security Academy @websecacademy.bsky.social Free web security training from PortSwigger.
Antoine Roly @aroly.bsky.social Hacker, Bug Bounty Hunter, Pentester,...
From Namur, BE.
@hiippiie.bsky.social @hiippiie.bsky.social 
Masato Kinugawa @masatokinugawa.bsky.social '"><>ma<s>ato
voydstack @voydstack.re VR @ Synacktiv, low level security enthusiast
https://voydstack.re/
Pew @thegrandpew.bsky.social 18 Year Old Websec dude, plays ctf with @Water_Paddler.
Blackhat and Defcon 22 speaker.
Building VR Goggles @dfsec_com
Matan Berson @matanber.com Hacker and bug bounty hunter mostly focusing on client-side security.
h1-702 Vigilante, h1-65 Eliminator, AWC23 Best New Hacker
HackerOne @hacker0x01.bsky.social The Only official HackerOne bsky account.
Peace of mind from security's greatest minds.
#HackForGood
YesWeHack @yeswehack.bsky.social Global Bug Bounty & VDP Platform - #YesWeRHackers
🔗 http://yeswehack.com/programs (Public programs)
🔍 http://firebounty.com (BB & VDP search engine)
#BugBounty 
Bug Bounty Reports Explained @gregxsunday.bsky.social 
Adrien Jeanneau @hisxo.bsky.social 📍 @yeswehack (aka Hisxo) - I love to break things (and I'm paid for that) - Bug Hunter
🔗 Check my Github repository https://github.com/hisxo/
#BugBounty
mpgn @mpgn.bsky.social Flibustier du net ̿ ̿̿'̿'\̵͇̿̿\=(•̪●)=/̵͇̿̿/'̿̿ ̿ ̿ ̿
Podcast Hack'n Speak http://anchor.fm/hacknspeak
Github https://github.com/mpgn
Tom Anthony @tomanthony.bsky.social Web dev since 1998. Bug bounty & security enthusiast. PhD in AI. CTO at SearchPilot - data driven SEO.
https://www.tomanthony.co.uk
Romain || BZHugs @jouetromain.fr 📍Rennes
Synacktiv @synacktiv.com Offensive security company. Dojo of many ninjas. Red teaming, reverse engineering, vuln research, dev of security tools and incident response.
PortSwigger @portswigger.net We are a leading provider of software and learning on web security. We make Burp Suite and the Web Security Academy.
Nicolas Grégoire @agarri.fr Web hacker 😈
Burp Suite Pro trainer 👨🏫
Maintainer of @mastering-burp.agarri.fr 🛠️
shubs @shubs.io Co-founder, security researcher. Building an attack surface management platform, @assetnote.io
Laluka @laluka.bsky.social https://linktr.ee/TheLaluka
Sharing is Caring, Hacker, Eternel Learner, Cat! =^~^=
CaidoIO @caido.io We help security professionals and enthusiasts audit web applications with efficiency and ease
https://caido.io
James Kettle @jameskettle.com Director of Research at @portswigger.net
Also known as albinowax
Portfolio: https://jameskettle.com/
TomNomNom @tomnomnom.com Computer booper and food enthusiast. He/him.
Jason Haddix @jhaddix.bsky.social CEO, CISO, Trainer, Hacker, and Speaker.
AI + hacking + sec leadership.
ex:BuddoBot-Ubisoft-Bugcrowd-Fortify-HP-Redspin-Citrix.
d0nut @d0nut.dev 🦀 Rust + Security 🔑
Michael Skelton @codingo.com VP of Security Operations at Bugcrowd, Security Content @ http://youtube.com/codingo, tools @ http://github.com/codingo. SecTalks and BSides Gold Coast co-organizer - He/Him
LiveOverflow 🔴 @liveoverflow.bsky.social wannabe hacker... he/him
🌱 grow your hacking skills https://hextree.io
terjanq @terjanq.me security enthusiast that loves hunting for bugs in the wild. co-founder and player of @justCatTheFish.
infosec at @google. opinions are mine.
From: https://twitter.com/terjanq
zseano @zseano.bsky.social @zseano