Mathias Bynens @mths.be ♥ JavaScript, HTML, CSS, HTTP, performance, security, Bash, Unicode, i18n, macOS. https://mths.be/
Aaron Dewes @aaron.nirvati.org Building @nirvati.eu.
NikOverflow @nikoverflow.com Ethical hacker with a passion for reverse engineering and hardware hacking, exploring the intersection of software and hardware security.
Cezar Lungu @cezarlungu.com Cyber Security Specialist & Privacy Enthusiast
aka randshell
https://cezarlungu.com
IntentToShip @intenttoship.dev I post when browser makers announce an intent to ship, change or remove features in their web engines!
I was made by @burrito.space.
https://github.com/autonome/intenttoship-bot
Eesa @eesa.lol website @ https://eesa.lol
Freddy @freddyb.bsky.social manager/security things for Firefox. love my family, my bike and reading books.
You can also find me on Mastodon as @freddy@security.plumbing, which I consider my primary account.
Homepage: https://frederikbraun.de/
aikido | no bullsh*t security for devs @aikidosecurity.bsky.social No bullsh*t security for devs.
Secure code, cloud, and runtime in one central system. fix issues automatically.
Get back to building. 🔗 aikido.dev
Jake Archibald @jakearchibald.com Developer of sorts at @webdevs.firefox.com, but this is my personal account. No thought goes unpublished. He/him.
Blaklis @blaklis.bsky.social CTF player with The Flat Network Society - bug bounty & web security research
0xrz @omidxrz.bsky.social 
Thijs Bosschert @thice.bsky.social Allround Security, IR & SOC professional. Escape room, CTF & game creator. Organizer WHY2025 CTF. Mediocre lockpicker. CTF teams: Eindbazen, Jobless Hackers and Spotless.
https://cybersecurity-escaperoom.com/
https://thice.nl/
https://ctf.why2025.org
sebsrt @sebsrt.bsky.social websec obsessed
https://sebsrt.xyz
Captain Disillusion @captaindisillusion.bsky.social Videos. Educational? Not really. Funny? Eh.
"the Chappell Roan of educational YouTube"
youtube.com/@captaindisillusion
patreon.com/captaindisillusion
https://go.nebula.tv/captaindisillusion
eva @eva.ac unprofessional hacker, security researcher. notably a puppy. read more stuff i did on my website https://eva.ac. making and breaking things @hytale.bsky.social.
Mat Rollings @stealthcopter.bsky.social Bug bounty hunter, AppSec engineer and CTF player.
Developer of PortDroid, deepce, Nexus Revamped and some other junk
Atomic @jaisal.dev Hey there! I'm Jaisal, a builder (programmer) and breaker (hacker). I code mainly in rust, python, java, and javascript. I am also an avid minecraft server scanner bro 😎
Freya Holmér @freya.bsky.social 🎮 tech artist/shader sorceress/math dork
🌐 acegikmo.com
🎥 youtube.com/@acegikmo
🏗️ Shader Forge / Shapes / https://half-edge.xyz
📡 ex-founder of Neat Corp
🪡 neoluddite
my kids:
🥪 @toast.acegikmo.com
🥗 @salad.acegikmo.com
🐈⬛ @thor.acegikmo.com
NotNite @notnite.com jack of all trades, master of none. she/her. programmer, modder, reverse engineer, dataminer, shitposter. https://notnite.com/
SonarResearch @sonarresearch.bsky.social Cutting-edge security research by
Sonar to educate the world about code security across all software.
We're also at @SonarResearch@infosec.exchange 🦣 and @Sonar_Research 🐦
7h3h4ckv157 @7h3h4ckv157.bsky.social Hacker (He/Him) | Hall of Fame: Google, Apple, NASA, 𝕏 (Twitter) | Speaker: BlackHat MEA x1 | CVE ×4 | HTB Rank: Guru | P1 warrior - Bugcrowd | CS Engineer
Erb3 @erb3.forgedtheir.phd ½× developer
Geluchat @gelu.chat Baptiste Devigne | Bug Bounty Hunter | Most Impactful Team H1-0131 (AWS) | Eradicator H1-6102 (Salesforce)
🔗My blog https://gelu.chat/
bubu @albertofdr.bsky.social about://inducebrowsercrashforrealz 🍕🖥️
https://albertofdr.github.io/
slonkazoid ⊗ @slonk.ing slonker of zoids
slonk.ing
Paddy @paddy.li :3
Intigriti @intigriti.com Bug bounty & VDP platform trusted by the world’s largest organisations! 🌍
linktr.ee/hackwithintigriti
sudi @sudhanshur705.bsky.social Remember, whatever happens... There's always a vulnerability
PortSwigger @portswigger.net We are a leading provider of software and learning on web security. We make Burp Suite and the Web Security Academy.
Burp Suite @burpsuite.bsky.social Burp Suite is the leading software for web security testing.
/ XNL -н4cĸ3r @xnl-h4ck3r.bsky.social Aspiring Bug Bounty Hunter & dev of tools: GAP, xnLinkFinder & waymore, featured in "Bug Hunter’s Methodology: Application Analysis v1" by JHaddix 🤘
RTFM🧐
Alex Chapman @ajxchapman.bsky.social Full Time #BugBounty Vulnerability Researcher
https://blog.ajxchapman.com
Barre Dijkstra @salp.bsky.social software dev/mgmt
he/him
@0xalessandro.bsky.social @0xalessandro.bsky.social 
Piotr Bazydło @chudypb.bsky.social Principal Vulnerability Researcher at the watchTowr | Previously: @thezdi | https://chudypb.github.io
Ange @angealbertini.bsky.social Reverse engineer, file formats expert.
Corkami, CPS2Shock, PoC||GTFO, Sha1tered, Magika...
Security engineer @ Google. He/him.
EricLaw 🎻 @ericlawrence.com Seek first to understand.
Impatient optimist. Dad. Zetetic. Author. Runner. Speaker. Made Fiddler & SlickRun. My code runs in your browser. @ MSFT 19yrs+ on web & security. I speak for myself.
he/him
https://ericlawrence.com/
https://textslashplain.com/
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!
realansgar (9009) @realansgar.dev 🧑💻 finding flags @fluxfingers.net
🔏 finding bugs @ Cure53
he/him
https://realansgar.dev
BitK @handle.invalid - B @blasty.bsky.social @blasty.bsky.social
Alfin @alfinjose.bsky.social CVE-2023-52555 | Web Security Researcher | CTF player bi0s
Assetnote @assetnote.io True Attack Surface Management - https://assetnote.io
maitai @maitai.bsky.social BSc Computer Science Engineering | 24 | Trying to find my way ~ 🍭
http://blig.one
@cfreal.bsky.social @cfreal.bsky.social 
stypr @harold.kim Touring sourcecodes. ARIN ISP Operator (AS400671). Retired CTF Player.
hextree.io @hextreeio.bsky.social 🌱 Grow your cybersecurity skills with concise and well-edited courses - in early access now! Created by @LiveOverflow and @stacksmashing.
https://hextree.io/
Rick de Jager @rdj.bsky.social CyberSecurity student at TU Eindhoven - CTF with https://superfl.at / https://org.anize.rs
Zeyu (Zayne) @zeyu2001.bsky.social • CS @ Cambridge
• CTFs with Water Paddler / Blue Water
• Security at Electrovolt / Cure53
• DEFCON 31-32 finalist
• Also on Twitter and infosec.exchange
Randall Munroe @xkcd.com 
cts @gf256.bsky.social Hacker and meme enjoyer
vx-underground (automated mirror) @vxundergroundre.bsky.social The largest collection of malware source code, samples, and papers on the internet.
Password: infected
(unofficial, this is a bot! Maintained by a private individual, the bot can't handle retweets or replies, support soonish)
pilvar @pilvar.bsky.social CTF w/ organizers and polygl0ts | ECSC swiss team & ICC team EU 24 | CS student @ EPFL
smaury @smaury.bsky.social Co-Founder @shielder.com
CTF Player jbz.team
Cliff Jumping Lover (23mt max so far)
lcamtuf @lcamtuf.coredump.cx Substack: http://lcamtuf.substack.com/archive
Homepage: http://lcamtuf.coredump.cx
Mikhail Shcherbakov @yu5k3.bsky.social Doing security research. For fun and profit...
Joe Grand @joegrand.bsky.social Hardware hacker, computer engineer, former L0pht member and juvenile delinquent, sometimes known as Kingpin. https://joegrand.com
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
@fransrosen.bsky.social @fransrosen.bsky.social 
John Hammond @johnhammond.bsky.social Hacker. Friend. Cybersecurity Researcher at Huntress.
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
@ctbbpodcast.bsky.social @ctbbpodcast.bsky.social 
CryptoCat @cryptocat.me Security Researcher @rapid7.com 😈
Hacking Content @ https://yt.cryptocat.me 💜
Luke Jahnke @nastystereo.com Blogging at https://nastystereo.com
d4d @zakfedotkin.bsky.social Zak Fedotkin
All thought are mine and mine alone
Orange Tsai @orange.tw This is 🍊
Bug Bounty Reports Explained @gregxsunday.bsky.social 
Daniel Mangum @danielmangum.com big fan of computers and human beings.
theMiddle @meninthemiddle.bsky.social Rev3rse Security, SicuraNext
Alvaro Muñoz @pwntester.bsky.social Security Researcher with @GHSecurityLab. CTF #int3pids. Opinions here are mine!
szymex73 @szy.bsky.social 🎶🎮 & CTFs | Capturing 🚩 with justCatTheFish
Rebane @rebane2001.bsky.social 🇪🇪🏳️⚧️ | Archivist | 12 CVEs in Chrome | CSS sophomore | MapartCraft | Horse | rebane2001#3716 | Lyra 🦊
she/her
https://lyra.horse/
@rebane2001@infosec.exchange
shubs @shubs.io Co-founder, security researcher. Building an attack surface management platform, @assetnote.io
stacksmashing @stacksmashing.bsky.social Security researcher with a focus on hardware & firmware. I occasionally publish stuff on YouTube. Co-founder of
hextree.io. Contact: contact@stacksmashing.net
TracketPacer @tracketpacer.com 🚀rockit network engineer
👩🏼💻ethernet fangirl
🛜 weird use cases & silly tech!
💌 tracket@tracketpacer.com
🌎 tracketpacer.com
0x999 @0x999.net 
Kévin Gervot (Mizu) @mizu.re About me?
| Website: https://mizu.re
| Tool: https://github.com/kevin-mizu/domloggerpp
| Teams: @rhackgondins, @FlatNetworkOrg, @ECSC_TeamFrance
| From: https://twitter.com/kevin_mizu
Bruno Modificato @brunomodificato.bsky.social CTFer for: @Water_Paddler / Security auditor @osec_io
Sometimes bug bounty and research
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
Gareth Heyes @garethheyes.co.uk Web security researcher at PortSwigger. Author of JavaScript for Hackers, Shazzer and Hackvertor.
https://garethheyes.co.uk/#latestBook
renniepak @renniepak.nl Self-XSS connoisseur. Elite Hacker. MVH H11337UPBash. One-Percent Man. Creator of CSPBypass.com. (he/him)
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
Masato Kinugawa @masatokinugawa.bsky.social '"><>ma<s>ato
d0nut @d0nut.dev 🦀 Rust + Security 🔑
hakluke @hakluke.com Dad, hacker, solo founder of haksec.com and hackercontent.com.
Sam Curry @zlz.bsky.social 
zseano @zseano.bsky.social @zseano
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
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
Web Security Academy @websecacademy.bsky.social Free web security training from PortSwigger.
PortSwigger Research @portswiggerres.bsky.social Web security research from the team at PortSwigger.
TomNomNom @tomnomnom.com Computer booper and food enthusiast. He/him.
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 🥰
Ray [REDACTED] @rayredacted.com Past: Host of "Tribe of Hackers"; Assoc. Producer "Darknet Diaries."
Current: Cybersecurity researcher and executive. Also, father of the fastest climber who has ever lived. Seriously.
Warning: I talk about my son ALOT
“Ut scandis, alios subleva.”
Jack Rhysider @jackrhysider.bsky.social Creator of Darknet Diaries.
Verification: https://twitter.com/JackRhysider/status/1675298532406984707
shenetworks @shenet.works Networking • Hacking • Hacking Networks (she/her)
shenet.works
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/
Ian Coldwater 🧊🚫 @lookitup.baby Kubernetes SIG Security Co-Chair, container escape artist, goose in the mainframe. Minneapolis. They/them. Stay punk 🏴
MSP feed info: https://bsky.app/profile/amityf.bsky.social/post/3l3frqadlo32h
Gynvael Coldwind @gynvael.bsky.social Security researcher/programmer ⁂ Managing director @ HexArcana ⁂ @DragonSectorCTF founder ⁂ he/him