ReversingForFun @reversingforfun.bsky.social YouTube channel where I disassemble things and reverse engineer them for fun.
https://www.youtube.com/@ReversingForFun
-hardware & coffee fund-
https://patreon.com/ReversingForFun
-channel discord-
https://discord.gg/5e2J72HCpN
Intel 471 @intel471.bsky.social Intel 471 specializes in delivering intelligence related to threat actors, threat hunting, financial cybercrime, ransomware, vulnerabilities, malware and underground marketplaces. Listen to our podcast, Cybercrime Exposed, on Spotify and Apple. #infosec
@braccioforte.bsky.social @braccioforte.bsky.social 
Rod Trent @rodtrent.com Christian. Husband. Father. Runner. Speaker. Author. Capitalist. Cyber and AI at Microsoft. Dude/Bro.
Neil deGrasse Tyson @neildegrassetyson.com Astrophysicist
Backman @backmanfyi.bsky.social 418 - I’m not a teapot
But I do like cyber security, tech, science and tea
EricaZelic @ericazelic.bsky.social Security Engineer / IAM Security. Defending against people like me. 
PentesterLab @pentesterlab.com We make learning web hacking and security easier. Online systems, code review, videos & courses that can be used to understand, test and exploit bugs!
Mullvad VPN @mullvad.bsky.social A fast, trustworthy, and easy-to-use VPN is a good first step toward reclaiming your privacy. Just €5/month. For your right to privacy.
For support, contact us via email: support at mullvadvpn dot net
Best of r/cybersecurity @cybersecurity.page Automatically summarizes the hottest posts on r/cybersecurity so you can stay up-to-date wherever you are. Uses open source LLMs.
Operated by @tweedge.net
Bot code @ https://github.com/r-cybersecurity/best-of-bot
h0wl @h0wlu.bsky.social 🛡️REDTEAM.PL Co-founder
🦉BlackOwlSec Founder
🧜♀️ WarCon Co-founder
👨🔬Fuzzing
🕵️Web2 & Web3 Security
🪽Angel Investor
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/
Hakupiku @hakupiku.bsky.social Ex-developer and pentester |
Full-time security researcher and bug bounty hunter |
CTF player Kalmarunionen|
Researcher for @ctbbpodcast.bsky.social lab
My opinions are mine and mine alone.
SinSinology @sinsinology.bsky.social Pwn2Own 20{22,23,24,24.5}, i look for 0-Days but i find N-Days & i chase oranges 🍊
https://summoning.team/
yan @yan.bsky.social security at brave software / @bcrypt on twitter
@fromveeko.bsky.social @fromveeko.bsky.social Learning things, Shielder-surfing.
some stuff at https://fromveeko.github.io
zseano @zseano.bsky.social @zseano
JBZ @jbzteam.bsky.social Italian #CTF Team. Not @mhackeroni.
Hack the planet.
jbz.team 
Maddie Stone @maddiestone.bsky.social Security Researcher at Google Project Zero. 0-days all day. Love all things reverse engineering. she/her
Electronic Frontier Foundation @eff.org We're the Electronic Frontier Foundation. We're a nonprofit that fights for your privacy and free speech online. Find all of EFF's social media accounts at eff.org/social.
aurelsec @aurelsec.bsky.social Hackademic at S3@eurecom
@mrmacete.bsky.social @mrmacete.bsky.social reverse engineering, retrocomputing, punk music, iOS, Frida, Radare2
argp @argp.bsky.social Hacker. Ascetic. Phrack author. The most technical boy in town.
b1ack0wl @b1ack0wl.com 0day Researcher @ ████████████ / Baker / 0wl
// I post random things on here
Paged Out! @pagedout.bsky.social Paged Out! is a free magazine about programming, hacking, security hacking, retro computers, modern computers, electronics, demoscene, and other similar topics. Always accepting submissions of one-page articles.
buherator @buherator.bsky.social "I'm interested in all kinds of astronomy."
https://scrapco.de
Mostly cross-posting from Fediverse: @buherator@infosec.place
@pinkflawd.bsky.social @pinkflawd.bsky.social 
Doyensec @doyensec.bsky.social Doyensec works at the intersection of software development and offensive engineering. We discover vulnerabilities others cannot, and help mitigate the risk.
Łukasz @maldr0id.bsky.social Military-grade reverse engineer @ Google, working on Android malware
Got mistaken for a member of Project Zero once.
Everything here is my own opinion
he/him ✨🌈🦄
abadidea @0xabad1dea.infosec.exchange.ap.brid.gy the hex is silent
professional source code complainer, Pwnie Awards 2014 Best Song, will decipher ancient writing systems for free
Access to Odin photos is a […]
🌉 bridged from ⁂ https://infosec.exchange/@0xabad1dea, follow @ap.brid.gy to interact
Travis Goodspeed @travisgoodspeed.bsky.social Author of books and tools for reverse engineering. Studebaker driver, but an awful mechanic. Home chip decapsulation.
Currently writing a new assembler, to be released in February.
Terrible Maps @terriblemapshq.bsky.social The home of terrible maps with a pinch of humour
terriblemaps@gmail.com
pancake @trufae.bsky.social Author of @radareorg, mainly active in the fediverse @pancake@infosec.exchange
The Hacker's Choice (1995) @hackerschoice.bsky.social Security Research Group.
Adam Hassan @adamkadaban.com Doing Windows Security @ Microsoft
https://hackback.zip
Rohan Vazarkar @cptjesus.bsky.social Former Pentester
Engineer at SpecterOps
Author of BloodHound
Iceman @iceman1001.bsky.social RFID hacker, Proxmark, NFC & EMV | Magic moon beans | Four spaces instead of Tab | https://youtube.com/@iceman1001/
zi0Black @zi0black.bsky.social UNIMI Student | Security Engineer @ Aptos Labs
CTF @JBZTeam
Former Security Researcher @Shielder.com
I love to turn IoT devices into expensive paperweight ✌️
TumpiCon @tumpicon.org IT Security Conference in Turin area (Italy) | 27-28 June 2025
Shielder @shielder.com InfoSec boutique.
Owning things since 2014.
We love to go for the extra mile, where we usually find the best 🦟🐞🪲🪳🐛🐜🕷 the others miss.
Web: https://www.shielder.com
Twitter: @ShielderSec
Fediverse: @shielder.infosec.exchange
thezero @thezero.org Human Rights Defender @osservatorionessuno.org.
Security Researcher @shielder.com.
Former KeepassXC maintainer.
Computer Repair With A Smile.
thezero.org
Disobey_Fi @disobeyfi.bsky.social Non-profit cyber security event in Helsinki, Finland. https://disobey.fi
Phrack Zine @phrack.org since 1985
https://phrack.org
Bös @boset.bsky.social Founder and organizer of Security fest (www.securityfest.com). OWASP chapter Gothenburg board member. Security specialist and CISO at Assured (www.assured.se). Warhammer 40k player.
Metasploit @metasploit-r7.bsky.social Official account of the Metasploit Project, part of the Rapid7 family.
Mastodon: @metasploit@infosec.exchange
Slack: http://metasploit.com/slack
Gareth Heyes @garethheyes.co.uk Web security researcher at PortSwigger. Author of JavaScript for Hackers, Shazzer and Hackvertor.
https://garethheyes.co.uk/
Web Security Academy @websecacademy.bsky.social Free web security training from PortSwigger.
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
Christian Folini @christian-folini.ch Web application security guy with a passion for OWASP's open source WAF projects and National Cyber Strategy.
Maintains "Swiss Cyber Security" starter pack and cherishes his small collection of medieval helmets.
Luke Jahnke @nastystereo.com Blogging at https://nastystereo.com
Tom Stacey @t0xodile.com Security researcher at PortSwigger. You can find all of my write-ups and research at https://thomas.stacey.se.
0x999 @0x999.net 
Mikhail Shcherbakov @yu5k3.bsky.social Doing security research. For fun and profit...
bubu @albertofdr.bsky.social about://inducebrowsercrashforrealz 🍕🖥️
https://albertofdr.github.io/
Lauritz @lauritz-holtmann.de IT-Security Researcher, Pentester and Bug Hunter. Passionate about 💻, 🤽♂️, ⚜️, 🎸 and ⚽ #meinVfL
#Kaeferjaeger + H1 Ambassador
🏠 https://security.lauritz-holtmann.de
alp1n3 🌲 @alp1n3.dev 🔮 AppSec & Go
Jorian @jorianwoltjer.com Normalize being weird.
Bruno Modificato @brunomodificato.bsky.social CTFer for: @Water_Paddler / Security auditor @osec_io
Sometimes bug bounty and research
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!
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.
Anne van Kesteren @annevk.nl Web Standards Engineer at U+F8FF.
Mike West @mikewe.st web browser stuff: security, privacy, safety, etc.
renniepak @renniepak.nl Self-XSS connoisseur. Elite Hacker. MVH H11337UPBash. One-Percent Man. Creator of CSPBypass.com. (he/him)
@fransrosen.bsky.social @fransrosen.bsky.social 
Rebane @rebane2001.bsky.social 🇪🇪🏳️⚧️ | Archivist | 13 CVEs in Chrome | CSS sophomore | MapartCraft | Horse | rebane2001#3716 | Lyra 🦊
she/her
https://lyra.horse/
@rebane2001@infosec.exchange
Sam Curry @zlz.bsky.social 
shubs @shubs.io Co-founder, security researcher. Building an attack surface management platform, @assetnote.io
Eduardo Vela @sirdarckcat.bsky.social 
Soroush Dalili 🍏🍐 @irsdl.bsky.social Hacker (ethical), web appsec specialist, trainer, tools builder & apps breaker, X: @irsdl
https://secproject.com/
https://soroush.me/
https://burpsuite.ninja/
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
@arturjanc.bsky.social @arturjanc.bsky.social 
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/
Masato Kinugawa @masatokinugawa.bsky.social '"><>ma<s>ato
Mathias Karlsson @avlidienbrunn.se Web security fiddler. Bug bounty bastard. Sometimes I cut shapes.
@shhnjk.bsky.social @shhnjk.bsky.social This account posts hallucinations non-stop. More grounded and less noisy thought on x.com/shhnjk :)
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
stypr @harold.kim Touring sourcecodes. ARIN ISP Operator (AS400671). Retired CTF Player.
icchy @icchy.bsky.social https://twitter.com/icchyr からまだ移行できていません
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
kunte_ @kunte0.bsky.social CTF Player with FluxFingers | Ph.D. Student
theMiddle @meninthemiddle.bsky.social Rev3rse Security, SicuraNext
BitK @handle.invalid 
Josip Franjković @josipfranjkovic.bsky.social I am an average Joe who enjoys breaking websites. My security blog: https://josipfranjkovic.com
g̸͕̊i̴̜̽u̴̟̒ş̶͝ȇ̴̼p̸̻͐p̶̯̃e̸̯̾(ᵇᵒʸ-ᵈⁱᵛⁱˢⁱᵒⁿ) @giuseppesec.bsky.social pentester | web, mobile, cloud, hardware | cve haver | sometimes vtuber | sometimes wolf | sometimes androgynous pink guy | always gay | i can be trusted with web apps 🙂
Alex Chapman @ajxchapman.bsky.social Full Time #BugBounty Vulnerability Researcher
https://blog.ajxchapman.com
Ciarán Cotter (monke) @monke.ie Irish web hacker. Founder @ Simian Security. Newsletter every week at https://monke.ie. Reach out at https://simiansecurity.com 🇮🇪/🇯🇵
PortSwigger Research @portswiggerres.bsky.social Web security research from the team at PortSwigger.
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
Enrico Ferraris @ebobferraris.bsky.social Millennial lawyer. Lego builder.
Focused on data protection and artificial intelligence • passionate about information security, FLOSS and freedom of information.
Always exploring and seeking after knowledge.
Piratpartiet Sverige - Pirate Party Sweden @piratsverige.bsky.social Vi vill bygga ett samhälle på frihet, deltagande och demokrati. Vi vill därtill frigöra kunskap och kultur, och skydda ditt privatliv.
Låt oss jobba på att komma in i riksdagen 2026!
https://piratpartiet.se/
ansvarig bluesky: J. Möller
Secure ICS OT @secure-ics-ot.bsky.social Unsolicited posts from an ICS/OT Professional with both GICSP and ISA 62443 Expert. GIAC Advisory and ISA member.
#ICS #OT #GICSP #IEC62443
Orange Tsai @orange.tw This is 🍊
Stephen Fewer @stephenfewer.bsky.social Senior Principal Security Researcher at @rapid7.com. Specializing in software vulnerabilities and exploitation. stephenfewer.github.io
Alexandria Ocasio-Cortez @aoc.bsky.social Waitress turned Congresswoman for the Bronx and Queens. Grassroots elected, small-dollar supported. A better world is possible.
ocasiocortez.com
Will Dormann @wdormann.infosec.exchange.ap.brid.gy I play with vulnerabilities and exploits.
I used to be https://twitter.com/wdormann but Twitter has become unbearable, so here I am.
🌉 bridged from ⁂ https://infosec.exchange/@wdormann, follow @ap.brid.gy to interact
Jakoby @iamjakoby.bsky.social 
hakluke @hakluke.com Dad, hacker, solo founder of haksec.com and hackercontent.com.
Accidental CISO @accidentalciso.net I accidentally became the CISO. I didn't want this job, but the job chose me. I'm scared, and I want to go home.
https://www.accidentalciso.net
ᴅᴀɴɪᴇʟ ᴍɪᴇꜱꜱʟᴇʀ @danielmiessler.bsky.social AI / Security Researcher and Entrepreneur.
Founder/CEO of Unsupervised Learning.
Building AI that upgrades humans.