CTF player with The Flat Network Society - bug bounty & web security research
Principal Security Researcher at GreyNoise. https://skullsecurity.org
Mostly post about work stuff, maybe some improv stuff and maybe even magic some day. Seattle-based (originally Canadian), queer, cybersecurity nerd.
(He/him)
Work like hell,
Share all you know,
Abide by your handshake,
Have fun. - Dan Geer
AppSec & Offensive Security
zigzagging my way through cursed code and bugs
[bridged from https://infosec.exchange/@swapgs on the fediverse by https://fed.brid.gy/ ]
professional security border collie and VDP manager and engineer | pop culture glutton | outdoor super enthusiast |
My views are not on behalf of or representative of my employer | fuck ICE | free Palestine
she /her / hers
Organizzazione di Volontariato No-profit per la tutela del diritto alla privacy, il diritto all’anonimato, la libertà di informazione, espressione e comunicazione ed in generale i diritti digitali in rete.
https://osservatorionessuno.org/it/associazione/
Ransomfeed empowers businesses and individuals with datadriven insights on #ransomware threats | #ransomfeed | 100% made in 🇮🇹
🌍 ransomfeed.it
🤖 t.me/RansomFeedNews
💼 linkedin.com/company/ransomfeed
IT Security Conference in Turin area (Italy) | 27-28 June 2025
Security Researcher and Software Engineer at GitHub Security Lab
Security Engineer at Zellic, a.k.a vakzz when doing bug bounties and CTFs with Perfect Blue - https://devcraft.io
Security Researcher with @GHSecurityLab. CTF #int3pids. Opinions here are mine!
Security researcher?
| Icon: https://twitter.com/MelvilleTw
| Keybase: http://keybase.io/ryotak
| Threads: http://threads.net/ryotkak
| Misskey: http://misskey.io/@ryotak
Penetration Testing, Red Teaming, Incident Response, Managed Detection, Digital Forensics, Security Training, Managed Bug Bounty, Cyber Training Range
Security. People matter most. Get off X, fool.
stonking.com/waitlist 👀
Engineer - Founder of Adafruit - Brooklyn, NY USA - Manufacturer, open-source hardware, certified Minority and Woman-owned Business Enterprise (M/WBE) https://adafruit.com - support https://forums.adafruit.com & order/customer help support@adafruit.com
Matrix is an open network for secure, decentralised communication. Please support at matrix.org/support
about://inducebrowsercrashforrealz 🍕🖥️
https://albertofdr.github.io/
IT-Security Researcher, Pentester and Bug Hunter. Passionate about 💻, 🤽♂️, ⚜️, 🎸 and ⚽ #meinVfL
#Kaeferjaeger + H1 Ambassador
🏠 https://security.lauritz-holtmann.de
🔮 AppSec & Go | Ex: ARCYBER
Previously: Malware, Helpdesk, and More 🎉
I do offensive security things on the internet
Penetration tester trying to perform novel research. You can find all of my write-ups and research at https://thomas.stacey.se.
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.
📅 13 Dec 2025 | 📍 Novotel London West
Grassroots-driven security conference.
Built by the local InfoSec community, for the community.
Web: https://BSides.London
X/Twitter: https://x.com/BSidesLondon
#BSidesLDN2025
0day Researcher @ ████████████ / Baker / 0wl
// I post random things on here
True Attack Surface Management - https://assetnote.io
Red Team Leader @Michelin
#Security Fan de gastronomie
Zak Fedotkin
All thought are mine and mine alone
CVE-2023-52555 | Web Security Researcher | CTF player bi0s
Bug Bounty Hunter | hackerone.com/abrahack .
Synack Red Team Member @SynackRedTeam | acropolis.synack.com/inductees/abrahack
My blog | https://abrahack.com
Infosec | French Casual Bug Hunter at @yeswehack | Hacking Lover
CTF Player @teambi0s | Web exploitation
nop ; Note that anything expressed does not necessarily coincide.
Security Researcher @rapid7.com 😈
Hacking Content @ https://yt.cryptocat.me 💜
Principal Vulnerability Researcher at the watchTowr | Previously: @thezdi | https://chudypb.github.io
Pwn2Own 20{22,23,24,24.5}, i look for 0-Days but i find N-Days & i chase oranges 🍊
https://summoning.team/
Offensive security tools developer. Malware developer, hobby music producer, bedroom DJ & ex-MMO game hacker. Creator of Evilginx / Bartender @ BREAKDEV RED.
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.
Blogging at https://nastystereo.com
Hacker | Bug Bounty Hunter
Christian | Full-time Bug Bounty Hunter | Host @ctbbpodcast.bsky.social | Advisor @caido.io | 3x LHE MVH | 🗣️ English, 日本語
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
"Vulnerability researcher" doing BB on free time (http://yeswehack.com/hunters/chackal) Also doing some Reverse on many targets but find no vuln 😒
Blogpost: https://medium.com/@chackal
big fan of computers and human beings.
researcher. exploit dev. pdx. hacking @ atredis
https://dronesec.net/
unsecurity engineer
exploiting, reversing, gaming, coffee
Enjoy Linux & Unix-like systems, open-source software, and programming/compsci? Into Sysadmin & DevOps? Follow us to make the most of your IT career! Discover new tools and apps daily, plus a dose of humor ⤵️
https://www.cyberciti.biz
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.
Security Researcher | Pwn2Own 2018, 2021, 2022, 2024 | Posts about 0day, OS, mobile and embedded security.
The AI-powered developer platform to build, scale, and deliver secure software.
Security Researcher | Blog writer | Hacker | DEFCON speaker | Gamer | Silly stuff lover.
https://taltechtreks.com/
Principal Security Researcher @MSFT
Opinions are my own and do not reflect on my employer.
Bugbounty hunter| Rust dev| The man of mankind | Application Security Engineer . OSCP in view , #Bitcoin-core contributor
I help builders and breakers of code learn to find security vulnerabilities in their apps and APIs.
😈 Join 10K appsec hackers @ https://apihacker.blog/subscribe
Hacking stuff at https://www.redguard.ch/
https://seanpesce.blogspot.com
Your Friendly Cloud Antagonist
Proficient at drawing the rest of the 🦉
Web Security Researcher | CTF Player @teambi0s
Rev3rse Security, SicuraNext
Fullstack dev & Hacker, training ethical hackers how to hack & web devs to secure their apps! CTO at https://hackinghub.io and Director at https://bsidesexeter.co.uk
Full time bug bounty hunter. Look for ”joaxcar” on other platforms
🥷 British hacker and coder
✨ Space and language nerd
🎩 Black Hat EU review board
🐈 Neurodivergent. Poly. He/him.
🛠️ https://github.com/bitquark
Security | Hacking | Malware | Reverse Engineering | Co-Founder | CTO | Product | MSAI - UT
Doing security research. For fun and profit...
CTFer for: @Water_Paddler / Security auditor @osec_io
Sometimes bug bounty and research
Security Researcher @nozominetworks
Android Vulnerability Researcher (0C). 0xACED. Ex-Apple. Posts are my own.
☆ Cybersecurity reporter
★ Newsletters at Risky Business
#infosec #cybersecurity
https://risky.biz
TrendAI Zero Day Initiative™ (ZDI) is a program designed to reward security researchers for responsibly disclosing vulnerabilities.
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
🦄 Node.js Secure Coding: http://nodejs-security.com
🌟 @GitHub Star
🏅 @OpenJS Pathfinder award for Security
🥑 DevRel at @snyksec
Freelance Professional Pentester
hacker, founder Hacksclusive
Lead developer | Bug hunter (approximately every 3 months)
> https://aeth.cc
🛡️REDTEAM.PL Co-founder
🦉BlackOwlSec Founder
🧜♀️ WarCon Co-founder
👨🔬Fuzzing
🕵️Web2 & Web3 Security
🪽Angel Investor
Hermetic Initiate. Exploring conscience and the nature of reality. I also hack things.
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__
Encryption, HTTPS, certificates, web security, security UX, software engineering and management, TMI about parenting. Opinions are my own.
Google Chrome DevRel Identity Tech Lead - Anything about browser identity features: passwords, OTPs, passkeys, identity federation, digital credentials, etc
Tenured Faculty @c-i-s-p-a.bsky.social Helmholtz Center for Information Security
