0x4ndy

Master of (Keeping/Stealing) your Secrets | Security Advisor & Intel Analyst | Civil Servant @ BE | Klopjacht-speurder | IT Eng. + Pol. Sci. | Posts my own

The World's Premier Technical Cybersecurity Conference Series blackhat.com Join Us at Black Hat USA this August 2-7, 2025: blackhat.com/us-25/

Firmware Security • Embedded Systems • AI x Infosec • Researcher @binarly • PhD Candidate @TUBerlin • Capturing Flags with ENOFLAG

No Starch Press Founder and President. Founder and Chair, Hacker Initiative

Blog @ www.InnoVirtuoso.com | InfoSec, Cyber, AI Enthusiast | I write about Tech and News, AI, BCI, and other IT stuff. Contact me at 📧 info@innovirtuoso.com

👊 Battling techno-fascism with our Internet-savvy blend of attention-grabbing activism and mass mobilization. https://www.fightforthefuture.org/2026

Cyber security, climbing, caving and diving! 💜

Degenerate Artist / Sysadmin / Cybersecurity / System Integration

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.”

We're a nonprofit defending your privacy and freedom online. Download Tor Browser for protection against surveillance and censorship. http://t.me/TorProject

Co-leader OWASP Cornucopia. If you like what we do for open source, visit our code repository https://github.com/OWASP/cornucopia and give us a star ⭐ 🌈 «Difference is of the essence of humanity» 🦄 – John Hume #appsec #owasp #cornucopia #threatmodeling

Security Researcher @neodyme.io | CTF, Fuzzing, Embedded Security

CISO Inversion6.com, CTO Octopi Managed Services, CyberEd Board Member, Gartner Peer, Defcon SOC Goon, Amateur Dentist & Infosec Fashionista - opinions expressed are my own.

https://binary.ninja/ Made with ❤️ by https://vector35.com/

Embedded systems and security

Doing stuff in #cybersec i suppose ... #CTF 1dl3 for mushd00m

founder @bugcrowd && co-founder @disclose_io || hacker, entrepreneur, executive, advisor || عصا موسى || #w00w00

Former Community Ambassador for OffSec | Penetration Tester | Red Teamer | OSCP | Father | Views are my own & not of my employer(s)

hacker, poster, weird machine mechanic https://chompie.rip

Programmer, #malware analyst. Author of #PEbear, #PEsieve, #TinyTracer. Private account. All opinions expressed here are mine only (not of my employer etc) ; https://hasherezade.net

Bug Bounty Hunter | hackerone.com/abrahack . Synack Red Team Member @SynackRedTeam | acropolis.synack.com/inductees/abrahack My blog | https://abrahack.com

Freelance Artist, currently working in comics and Illustration.

https://x.com/ntlmrelay #ThreatHunting / #BlueTeam engineer. I'm just looking for traces in the logs. Reading and retweeting cool stuff. MITRE ATT&CK Defender:CTI,SOCAsses,AE,PTM,THDE.

Twitter feed for the Aerospace Village. Securing the skies and beyond 🚀✈️🛰 Website: www.aerospacevillage.org Press inquiries: press@aerospacevillage.org

Focused on building resilience in democracies | Former U.S. intelligence officer | Chair, @ISRS.ngo | Board director & CISO | TheCipherBrief

CMO @ Edera | Comms for Aerospace Village | Prev Security Comms Lead Google | Rule Bender l New Englander

Creator of Darknet Diaries. Verification: https://twitter.com/JackRhysider/status/1675298532406984707

Fighting malicious use of technology.

since 1985 https://phrack.org

Director of Cybersecurity @eff.org Co-founder of @stopstalkerware.bsky.social These opinions are my own, not my employers’ I did a TED talk once

Wannabe security guy. Director @ Zero-Point Security.

thedarktangent@defcon.social

Hacker - Helper - Human JaysonEStreet.com

DC209 - Just another @defcon group - Located in the Modesto/Turlock area California’s Central Valley - Bridging the gap between DC916 and DC559 - @defcongroups @defcon

Hacker / Creative Mischief & GOOD VIBES ONLY

Security g33k. Advanced persistent dad. GSE #220.

Blogging about MMO history and preservation: https://mmofolklorist.com/ Author of The MMO Folklorist's Guide To Galaxies: https://mmofolklorist.itch.io/galaxiesthebook Second MMO Folklorist Guide coming soon™

Technologist - EFF, Free Software, Big Ethernet — Mostly Geek/Pretend Analyst I might say things about Cryptography, Video Codecs, and Vogon Poetry User #38,062 on Bluesky

Pentester / Serial Entrepreneur / Child Safety Warrior — http://tryhackme.com/p/0day

Yes, this is me, but I'm actually using sudox.bsky.social. This is just a placeholder. Follow that account instead.

Hacker. Rapper in Dual Core. Rapper in The TroubleShooters. Black Lives Matter. He/him.

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.

Software Engineer @VRChat • Former Director of Innovation @HeliosInteractive • Former VJ for @theglitchmob & @deadmau5 • He/They

Cloud Security %0d%0a

Retired DEFCON CTF org. Shellphish Captain Emeritus. ASU Prof. angr hacker. pwn.college sensei. Looking for students/interns! https://yancomm.net https://github.com/zardus https://defcon.social/@Zardus

Found of ETHOS Labs, LLC - Hack Space

ɿɘɘniϱnɘ ɘƨɿɘvɘɿ 🎦 youtube.com/@jiskac 📝 naehrdine.blogspot.com 🐥 twitter.com/naehrdine 🎓 hpi.de/classen 📱 reversing.training

CTO, software, code archaeology, security, mobile apps, startups, NP Hard, AI things

Founder of Azeria Labs, Trainer, Author of Blue Fox: Arm Assembly Internals & Reverse Engineering

Writer for WIRED. Author of SANDWORM. Latest book, TRACERS IN THE DARK: The Global Hunt for the Crime Lords of Cryptocurrency, out now. agreenberg@wired.com. Andy.01 on Signal.

Cybersecurity Specialist, Public Speaker, Ex-Hacker. https://marcushutchins.com