Elastic is The Search AI Company. We bring together the precision of search and the intelligence of AI to accelerate results that matter.
https://www.elastic.co/
Secure everything you build and run in the cloud
Program Analysis / Reverse Engineering
Chief Scientist @ BINARLY
Website: https://xv.ax
CEO @rcesecurity.com | Full-time #BugBounty | @hacker0x01.bsky.social H1-Elite | $1,500,000 Overall Bounties | ❤️ IDA Pro | Mobile Hacker
I get paid to break stuff!!
Software researcher at https://cispa.de, working on #Fandango, #S3, #FuzzingBook, #DebuggingBook. Testing, debugging, analyzing, and protecting software for a better world. Find me at https://andreas-zeller.info/
Software Security @ MPI for Security and Privacy
Spokesperson for Max Planck Research Group Leads at CPTS
PhD @NUS, Dipl.-Inf. @TUDresden
Research Group: http://mpi-softsec.github.io
fuzzing enjoyer
@novafacing@haunted.computer
Security @Google, Personal Account.
Fuzzing & stuff https://hexgolems.com
We want to make fuzzing better and better
Follow for updates on AFL++ & LibAFL
Security researcher with an interest in formal methods.
B̶u̶i̶l̶d̶i̶n̶g̶ breaking things @ Interrupt Labs |
Teaching @ Australian National University
https://adrian-herrera.com
melee, cybersecurity, leftism
Privacy Researcher based in Göttingen, Germany, previously working on Kernel Fuzzing @ TU Darmstadt.
AI researcher at XBOW. Security, RE, ML. PGP http://keybase.io/moyix/
Vulnerability researcher | Fuzzing | Anything low-level excites me | Admin @ https://0x00sec.org | My tweets are my own | Blog: https://0x434b.dev
Security Engineer @ Cloudflare,
ex-Google ISE,
I use bad software and bad machines for the wrong things.
My writing: https://carstein.github.io
ɿɘɘniϱnɘ ɘƨɿɘvɘɿ
🎦 youtube.com/@jiskac
📝 naehrdine.blogspot.com
🐥 twitter.com/naehrdine
🎓 hpi.de/classen
📱 reversing.training
Faculty @CISPA Helmholtz Center doing software security, program analysis, and fuzzing
Previously at SEFCOM lab @ASU and @RUB
CTF player for ENOFLAG and PHD student at TU Berlin
Firmware Security • Embedded Systems • AI x Infosec •
Researcher @binarly • PhD Candidate @TUBerlin •
Capturing Flags with ENOFLAG
Berlin. Does things with computers and phones.
Security researcher with a focus on hardware & firmware. I occasionally publish stuff on YouTube. Co-founder of
hextree.io. Contact: contact@stacksmashing.net
I try to learn everything. Views hopefully my own. Nerd (PL, Rust, security, AI, systems, …). Leftist. Covid conscious. AuDHD (probably). YIMBY. Free Palestine.
Working on Project Zero, Big Sleep, and V8 Security. Personal account.
Captures flags with Tasteless. Assistant Professor at UoB and maintainer of FirmWire & avatar2.
Security researcher and open-source enthusiast, volunteer at Digitalfabrik
Fuzzing; Vulnerability Research;
Deep Learning; Reverse Engineering
Training & Publications @ http://fuzzing.io
Hacking the planet since 1995
Undercurrents.io BOFH
I'll stop the world and melt with you
Dr, apparently. Security Adovcate @semgrep & Hacker. #BugBounty hunter & #infosec YouTuber. APIs & Interlinked OffSec, PhD in AI+Sec @hacknotcrime. she/her
Security researcher in Google Project Zero. Author of Attacking Network Protocols. Posts are my own etc.
Principal Vulnerability Researcher at the watchTowr | Previously: @thezdi | https://chudypb.github.io
🧑💻 finding flags @fluxfingers.net
🔏 finding bugs @ Cure53
he/him
https://realansgar.dev
The Dutch Cybersecurity Conference! Experience the Hackers Community in Amsterdam, on June 4th 2026!
Security researcher?
| Icon: https://twitter.com/MelvilleTw
| Keybase: http://keybase.io/ryotak
| Threads: http://threads.net/ryotkak
| Misskey: http://misskey.io/@ryotak
Latest News, Fun Moments & Event updates from the DEF CON Community • Follow to stay updated!💛
#DEFCON33 Dates:🎉Aug 07 - Aug 10, 2025
Link of Links {
Resources🌍 •> https://linktr.ee/defconparrot
Updates🗞️ •> https://x.com/defconparrot
}
Penetration tester trying to perform novel research. You can find all of my write-ups and research at https://thomas.stacey.se.
Blogging at https://nastystereo.com
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.
Zak Fedotkin
All thought are mine and mine alone
Jack of all trades, master of some. CTO / Pentester
Co-founder, security researcher. Building an attack surface management platform, @assetnote.io
Software security, cryptography etc
We help security professionals and enthusiasts audit web applications with efficiency and ease
https://caido.io
Co-Founder @caido.io | Security Enthusiast | CTF Fanatic | Bug Bounty Hunter
Security Researcher
@defparam@infosec.exchange
Christian | Full-time Bug Bounty Hunter | Host @ctbbpodcast.bsky.social | Advisor @caido.io | 3x LHE MVH | 🗣️ English, 日本語
Hermetic Initiate. Exploring conscience and the nature of reality. I also hack things.
Security Researcher | Pwn2Own 2018, 2021, 2022, 2024 | Posts about 0day, OS, mobile and embedded security.
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.
Founder and Chief Swig at PortSwigger. Creator of Burp Suite and the Web Security Academy. Author of The Web Application Hacker's Handbook.
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
#OpenSource Maintainer (@nodejs.org, @expressjs.bsky.social, Lodash, Yeoman...), #TC39 Delegate and #Maker | He/Him
Node.js Technical Steering Committee member
Socket is the #1 software supply chain security platform. Next-gen SCA + SBOM + 0-day prevention. LOVED BY DEVELOPERS.
https://socket.dev
Programming languages person focused on software systems problems.
Previously, first frontend engineer on Google Calendar, and was a security engineer who worked on the industrial-strength Mad Libs undergirding Gmail.
Pro-trans-rights is pro-family.
Working on supply chain security for JS. LavaMoat and Endo contributor. meet.js Poland organizer. Node.js user since v0.8.
Addicted to teaching.
https://naugtur.pl
DivOps Engineer. OSS Maintainer: semantic-release, repository-settings, form8ion
🇨🇦🇨🇦🇨🇦🇨🇦🇨🇦🇨🇦🇨🇦🇨🇦🇨🇦🇨🇦🇨🇦🇨🇦🇨🇦
Staff Software Engineer - Datadog APM
(he/him/his)
Dad
Royal Oak, MI
https://bryanenglish.com
Manager, security research @ Datadog | he/him | Chess lover | Blackhat speaker |
ex Sqreen.io, Shieldfy.io | my website: https://eslam.io
💻 Fullstack Developer
🏎️ @GoogleDevExpert in Web Perf
💚 @nuxt.com EcosystemTeam
👥 Ambassador @Storyblok, @algolia, @cloudinary, @supabase
Currently: Hacker / Farmer / Builder / Breaker
Prev: Code4rena, Okta, Auth0, GitHub, npm, ^lift, &yet, Symantec.
Pioneered BlindXSS & DVCS Pillaging
npm audit is my fault. More info: https://evilpacket.net
Founder of Tessl (and Snyk), reimagining software development for the AI era. Also a co-host of The AI Native Dev podcast, an angel investor, and an occasional speaker & writer.
Human who codes. Creator of @eslint.org. Author. Speaker. Advisor. Coach. GitHub Star.
Mastodon: https://fosstodon.org/@nzakas
Blog: https://humanwhocodes.com
Coaching: https://humanwhocodes.com/coaching
👨💻 Freelance full stack #JavaScript / @TypeScriptlang.org & @React.dev engineer 🤓
📈 Index fund investor #FIRE 🌱🔥
🎧 Drum&Bass DJ 🎛️
😻 catlover 😻
Principal engineer at AWS where I work on Smithy
I am a computer programmer. I enjoy maintaining software, fixing bugs and debugging. I also know a few things about information security.
Outside of work I am a family guy. I like good coffee. I play tennis.
Web, AI Agents and LLM - often Node.js diagnostics
Cloud and container security • Security research and open source at Datadog
🇨🇭🇫🇷
https://christophetd.fr
Node.js TSC • Founder Engineer at @vlt.sh • Previously Google, GitHub, npm Inc. Opinions are my own.
📍 Montreal 🇨🇦
Hi, I'm Scott Helme, a Security Researcher, Entrepreneur and International Speaker. I'm the creator of Report URI and Security Headers, and I deliver world renowned training on Hacking and Encryption.
https://scotthelme.co.uk
Offensive Security Professional | Phillip Wylie Show Podcast Host | The Pentester Blueprint coauthor | TribeOfHackers Red Team | https://linktr.ee/phillipwylie
Faction is an open-source tool for:
- Automated Pentest Reporting
- Track Vulnerability Remediation
- Collaborate With Your Team
- and more
https://www.factionsecurity.com
#appsec #redteam #securitytools #cybersecurity #infosec #hacking
Success is not final; failure is not fatal: it is the courage to continue that counts.
https://darknetdiaries.com/
📌That Hacker guy with a BMW (E46)
📌Application Security Engineer @TeamIrembo
📌 2018 @Cyberstarspro Winner
📌 Security Research | Generative AI
🇧🇮🇷🇼
Co-Founder @shielder.com
CTF Player jbz.team
Cliff Jumping Lover (23mt max so far)
Burp Suite is the leading software for web security testing.
Private account! Red teamer @codewhitesec. @frycos@infosec.exchange @frycos@X
Freelance Professional Pentester
hacker, founder Hacksclusive