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/
MAGA Cult Slayer @magacultslayer.bsky.social The #4 story in world history is on our substack! #smokefleet https://open.substack.com/pub/magacultslayer
d4d @zakfedotkin.bsky.social Zak Fedotkin
All thought are mine and mine alone
Frequency @frequency.xyz A blockchain enabling builders to deliver decentralized social apps at massive scale. More at Frequency.xyz
NBA @nba.com The 2026-27 NBA season tips off Tuesday, Oct. 20 on NBC and Peacock! 🏀 3:00pm/et: Celtics/Pistons 🏀 7:00pm/et: 76ers/Knicks 🏀 9:30pm/et: Thunder/Spurs
The official account for the NBA
Ian Carroll @ian.sh Founder @ Seats.aero. Travel/points, application security, security research, etc.
Shams Charania Tweets @shamsbot.bsky.social ESPN Senior NBA Insider
Reposting all the latest tweets by NBA news insider Shams Charania. This is a bot, to be clear.
Account Admin: @beastmoderocco.com
@marlonlwayans.bsky.social @marlonlwayans.bsky.social 
Tony @tjnull.bsky.social Blue Teamer in Disguise. Blog at http://netsecfocus.com. SANS Netwars Champion. Former community manager and founder of the Offsec community for @offsectraining
Cybernews @cybernews.bsky.social Keep yourself up-to-date with online privacy and security by checking in with Cybernews every day.
Andy Robbins @andyrobbins.bsky.social aka wald0
Assetnote @assetnote.io True Attack Surface Management - https://assetnote.io
Charles @charles.dardaman.com AI | Hacking | Security | Malware | Founder/CTO (acq.) | CS PhD @UT_Dallas
Johan Carlsson @joaxcar.bsky.social Full time bug bounty hunter. Look for ”joaxcar” on other platforms
Kevin Nyawakira @kerminal.bsky.social 📌That Hacker guy with a BMW (E46)
📌Application Security Engineer @TeamIrembo
📌 2018 @Cyberstarspro Winner
📌 Security Research | Generative AI
🇧🇮🇷🇼
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
Semgrep @semgrep.com Semgrep is a code scanning platform for finding first and third-party security vulnerabilities in your code base.
m1tz @m1tzzz.bsky.social Web Security Expert | Bug Hunter | Käferjäger
P€nt€stM@nk€y @pentestmonkey11.bsky.social 
Oli (C..1..P.H.Y) @munz4u.de Infosec addicted IT guy 🕵️♂️👨💻 | HTB Guru | Researcher & Pentester 🖊️ | White-Hat 🎩 | Bugs find me 🪲 | Part of the awesome #kaeferjaeger crew 💥
Arun Krishnan @winters0x64.bsky.social Web security researcher, team bi0s
CVE-2024-8143, CVE-2024-8550, CVE-2024-10649
@err0rtrig.bsky.social @err0rtrig.bsky.social 
JR0ch17 @jr0ch17.bsky.social 
Ciarán Cotter (monke) @monke.ie Irish web hacker. Founder @ Simian Security. Newsletter every week at https://monke.ie. Reach out at https://simiansecurity.com 🇮🇪/🇯🇵
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 🔑
renniepak @renniepak.nl Self-XSS connoisseur. Elite Hacker. MVH H11337UPBash. One-Percent Man. Creator of CSPBypass.com. (he/him)
Eduardo Vela @sirdarckcat.bsky.social 
₦฿₭ @nbk.bsky.social Paw / Pwn / Purr
@nbk_2000
/ 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🧐
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
0x999 @0x999.net 
0xacb @0xacb.com Hacker grinding for L1gh7 and Fr33dφm, straight outta the cosmic realm.
Co-founder @ethiack.com
https://0xacb.com
abdilahrf @abdilahrf.bsky.social CTF / Bugbounty / Web Guy
jstnkndy @jstnkndy.bsky.social Infosec professional, beverage snob, and fantasy book consumer. Vice President @ Atredis Partners. Forever terrified of Kithicor.
Mathias Karlsson @avlidienbrunn.se Web security fiddler. Bug bounty bastard. Sometimes I cut shapes.
Patrik Fehrenbach @itsecurityguard.bsky.social rɪsˈpɒnsəbl dɪsˈkləʊʒə
https://wss.sh
Anonymous @youranonsky.bsky.social We are Anonymous. We are legion. We do not forgive. We do not forget. Expect us. YourAnonOne on X.
Rory McCune @mccune.org.uk Security geek, Containers, Kubernetes, Golang/Ruby, hillwalking
Home Page :- https://www.mccune.org.uk
Blog:- https://raesene.github.io
ZAP by Checkmarx @zaproxy.org The Worlds Most Popular Web App Scanner.
kingthorin_rm @kingthorin.bsky.social IT Sec guy, zaproxy co-lead, WSTG co-lead, VWAD co-lead, OWASP Ottawa volunteer, Hac≺3r, supporter of oxford commas, #INTJ. (Opinions == mine) 🍁
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
OWASP Juice Shop @owasp-juice.shop Probably the most modern and sophisticated insecure web application. Only we offer a 100% @owasp.org Top Ten incompliance guarantee! Skeets by @bkimminich.bsky.social
OWASP London Chapter @owasplondon.bsky.social #OWASP London Chapter
Follow us on X/Facebook/Meetup/Eventbrite/LinkedIN/YouTube. Mastodon: https://infosec.exchange/@owasplondon
🌐 Webpage: https://owasp.org/london
👋 Meetup: https://meetup.com/OWASP-London
📺 YouTube: https://youtube.com/OWASPLondon
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.
Robin @digi.ninja Hacker, coder, climber, runner, triathlete.
Always learning.
Co-flounder of SteelCon
PortSwigger @portswigger.net We are a leading provider of software and learning on web security. We make Burp Suite and the Web Security Academy.
David Paterson @djpaterson.dev Software Engineer at PortSwigger and Man City season ticket holder
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
Josh Grossman (tghosth 👻) @joshcgrossman.com Friendly AppSec Ghost 👻
https://appsecg.host
Dominique Righetto @righettod.eu 👨💻 AppSec enthusiast | 🐶 Addicted to Shetland Sheepdogs | 🌏 Open Source/AppSec/OWASP junkie | 🐝 OWASP Secure Headers Project Leader.
🚩 Opinions mentioned are mine.
garthoid @garthoid.bsky.social Father,Husband,Software Security Architect, Ethical Hacker,Musician,& Karate Geek.OWASP Ottawa Chapter Leader. Trying to learn Kendo. Devious-Plan.com founder. He/Him
Mastodon is better @garthoid@infosec.exchange
📍🇨🇦
Gareth Heyes @garethheyes.co.uk Web security researcher at PortSwigger. Author of JavaScript for Hackers, Shazzer and Hackvertor.
https://garethheyes.co.uk/
garethr @garethr.bsky.social VP Product @snyksec. @openpolicyagent Conftest maintainer. Developer, designer, product. Open source geek. Devops Weekly. @gdsteam alum. he/him.
Daniel Cuthbert @dcuthbert.bsky.social Ageing hacker, long time documentary photographer. Black Hat Review board. Now sitting on numerous government cyber security boards so I guess that means I’ve grown up right?
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
Björn Kimminich @bkimminich.bsky.social IT Product Group Lead at Kuehne+Nagel; @owasp-juice.shop Project Leader; @owasp-de.bsky.social Chapter Co-Leader; @owasp.org Project Committee Chair; @magic.wizards.com Amateur Player @mull2five.bsky.social
Liran Tal @lirantal.com 🦄 Node.js Secure Coding: http://nodejs-security.com
🌟 @GitHub Star
🏅 @OpenJS Pathfinder award for Security
🥑 DevRel at @snyksec
Erlend Oftedal @webtonull.bsky.social Security researcher at Crosspoint Labs. AppSec. Tweets are my own and do not express the opinion of my employer. OWASP. retire.js
Jeremy Long @ctxt.bsky.social Builder, infosec, SCA and SAST enthusiast, blue team.
Founder of OWASP dependency-check.
https://github.com/sponsors/jeremylong
Dan @basic-123.bsky.social 
Nicolas Grégoire @agarri.fr Web hacker 😈
Burp Suite Pro trainer 👨🏫
Maintainer of @mastering-burp.agarri.fr 🛠️
Gerald Benischke @beny23.github.io Maker, breaker and fixer of software. Adventures in #appsec and #agile: beny23.github.io he/him
SeanWrightSec @seanwrightsec.com Principal Application Security Engineer focused on all things #AppSec. Occasionally dabble in my own research. Also keen gamer and aspiring photographer.
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.
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__
Emily Stark @estark.bsky.social Encryption, HTTPS, certificates, web security, security UX, software engineering and management, TMI about parenting. Opinions are my own.
Eiji Kitamura / えーじ @agektmr.com Google Chrome DevRel Identity Tech Lead - Anything about browser identity features: passwords, OTPs, passkeys, identity federation, digital credentials, etc
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
Philippe De Ryck @philippederyck.bsky.social I help developers protect companies through better web security
Web Security Academy @websecacademy.bsky.social Free web security training from PortSwigger.
Koto @kkotowicz.bsky.social Security ninja wannabe / board game geek / photon catcher
Michal Špaček @spazef0rze.bsky.social In your web, securing your app. Hacker, webdev, speaker, engineer. Security shoptet.cz, ex-report-uri.com, ex-teenager. HTTPS = How To Transfer Private Sh💩. Also https://infosec.exchange/@spazef0rze
harisec @harisec.bsky.social Interested in web security, bug bounties, machine learning and investing. SolidGoldMagikarp
Marco Squarcina @minimalblue.bsky.social Senior Scientist @TU Wien / Web & Mobile Security / #drumandbass DJ
🚩 with @mhackeroni.bsky.social We_0wn_Y0u kukhofhackerei Team Austria
🔗 https://minimalblue.com/
Michele Spagnuolo @miki.it 💼: Staff Information Security Engineer at Google. 🛠️: Rosetta Flash, BitIodine. 💛: web security, ⟠, ₿, finance. Data is the most dangerous form of opinion.
Ben Stock @benstock.bsky.social Tenured Faculty @c-i-s-p-a.bsky.social Helmholtz Center for Information Security
Bitcoin Breakdown ⚡ @btcbreakdown.com FOMO over Bitcoin?
It’s never too late! ⏰
Get daily Bitcoin updates and insights to understand why, and take charge of your financial freedom.
Your future self will thank you.
Subscribe now: www.btcbreakdown.com/subscribe
@kris315.bsky.social @kris315.bsky.social 
TheBlueBitcoin @thebluebitcoin.bsky.social Bitcoin and crypto on Bluesky 🩵💙
Totally Todd (CCNA) @totallytodd.bsky.social Totally Aspiring Network Dude
Totally More Cisco!
Totally More Linux!
Totally More Python!
Totally More Totally!
And Totally Cats
The Ruden Report @rudenreport.bsky.social Dave Ruden: Director of Operations for The Ruden Report, Fairfield County’s premier high school sports website; A fan of good blues and craft brews.
Nzyme @nzyme.org www.nzyme.org
EVERY WHISPER FINDS ITS ECHO
Black Hills Information Security @bhinfosecurity.bsky.social Specializing in pen testing, red teaming, and Active SOC. We share our knowledge through blogs, webcasts, open-source tools, and Backdoors & Breaches game.
blackhillsinfosec.com & poweredbybhis.com
Dr.Dreco🍷🗿 @drdri.bsky.social
ミ★༎ ∆driano £eão ༎★彡@Botafogo ⭐❤️🔥@ManUtd 🤡@cavs ♥️💛@KingJames 👑
Real Original CP3 @cp3.bsky.social I defend the public in Portland.
Ball don’t lie.
Drizzy @drizzybs.bsky.social 💙🤍❤️
Li'l 🍔 @littleburger.bsky.social 36, hail Satan, ABDL, pro-LGBTQIA+ 
Gisele @gisimonii.bsky.social @DulceMaria @JTimberlake @SHINee
@SaoPauloFC @RealMadrid
*Azar no jogo
*Azar no amor
*Azar no dinheiro
*Azar na vida
*sorte no azar
Ryan Leslie @ryan-leslie.bsky.social SFFH author of Colossus, The Between, and The Garden of Before (coming Sept. '25). ryan-leslie.com
Paul Pierce @paulpierce.bsky.social 
Steve Nash @stevenash71.bsky.social Lives in Cornwall | completely bonkers about moths! | admin of @MigrantMothUK | fan of punk/metal | grumpy about humans destroying nature | views my own
Cdubya719 @cdubya719.bsky.social Minnesota Based DAILY Streamer on Twitch and YouTube!
Find me here! lnk.bio/cdubya719
Kenny Smith @finishedzine.bsky.social Doctor Who, James Bond, Pet Shop Boys and Aberdeen fan. Mostly posts about those. Scottish. Editor of Big Finish's Vortex magazine.
Ex-journalist, now NHS comms officer.
Podcast co-host on The Power of 3 and Pieces of Eighth.
Doctor Who fan, not Whovian