Stefan Esser

@i0n1c

CEO of @Antid0tecom (former CEO of @SektionEins) (contact: [email protected])

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Yongdae Kim ([email protected])

@yongdaek

Professor, Electrical Engineering, Graduate School of Information Security, KAIST, CPS/IoT Security, Blockchain Security, Cellular Security

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lcamtuf

@lcamtuf

Substack: lcamtuf.substack.com/archive Homepage: lcamtuf.coredump.cx

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Alexandre Borges

@ale_sp_brazil

Vulnerability Researcher and Exploit Developer (b. sky: alexandreborges)

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Quentin Kaiser

@qkaiser

Offensive security / vulnerability finder. security researcher @onekey_sec / @konkretesec founder / @ecoswtf initiator

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Brian Gorenc

@maliciousinput

Leader of the Zero Day Initiative. Pwn2Own organizer and adjudicator. Trafficker of export-controlled intrusion software. Bug Hunter.

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stypr

@brokenpacifist

Touring sourcecodes @dfsec_com RT/Like bot す

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Robin David

@robindavid1

Software Security Researcher at @quarkslab

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Perri Adams

@perribus

Computers, etc. • Personal Account

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Mathis Hammel

@mathishammel

CTO & Co-Fondateur @Agoratlas, parrain @Guardia_School. Entraîneur WorldSkills pour l'équipe de France de cybersécurité

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Lukas Seidel

@pr0me

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

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sferrini

@simone_ferrini

*OS Security Researcher & Director at @prdgmshift. Passionate about RE, fuzzing, hardware and low-level binary stuff. ʚଓ

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Donncha Ó Cearbhaill

@donnchac

Head of Security Lab at @AmnestyTech - Hunting spyware and unlawful surveillance targeting civil society (He/Him) - Fedi: @[email protected]

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Anyfun

@_anyfun

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Forgette Benoît

@mad5quirrel

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Blacktop

@blacktop__

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Michael Coppola

@mncoppola

Vulnerability researcher

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Proteas

@proteaswang

Security Researching infosec.exchange/@Proteas

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[email protected]

@codecolorist

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Synacktiv

@synacktiv

Offensive security company. Dojo of many ninjas. Red teaming, reverse engineering, vuln research, dev of security tools and incident response.

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angel_killah

@angel_killah

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Hossein Lotfi

@hosselot

Vulnerability researcher at ZDI (views are my own). Check #hosselot_tips for vulnerability research tips. 'A machine never faults. It reflects human's faults.'

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nt!PopGetDope

@ntpopgetdope

vulnerability researcher: basebands, fault injection, semiconductors, cats. theres a SEM in my living room... '02 Toyota MR-S (2ZZ-GE) '90 Honda VFR400R NC30

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SaxX ¯\_(ツ)_/¯

@_saxx_

💻Gentil Hacker ¦¦🎙Speaker ¦¦ 🏆40 under 40 ¦¦ Faire bouger la Tech en Afrique ¦¦ 👳‍♂️Mentor @Guardia_School 🎯 Leadership Afrique 🥂Épicurien

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Satoshi Tanda

@standa_t

Software security engineer and trainer satoshi-tanda.bsky.social

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Dimitri Fourny

@dimitrifourny

Vulnerability Researcher

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Mickey Jin

@patch1t

Exploring the world with my sword of debugger : )

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mpgn

@mpgn_x64

Flibustier du net ̿ ̿̿'̿'\̵͇̿̿\=(•̪●)=/̵͇̿̿/'̿̿ ̿ ̿ ̿ Podcast Hack'n Speak @hacknspeak / anchor.fm/hacknspeak

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Dillon Franke

@dillon_franke

Fuzzing, MacOS, vuln research @Google. Jesus Follower

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noah

@noahhw4646

The brain is deeper than the sea, for, hold them, blue to blue, the one the other will absorb, as sponges, buckets do.

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Root-Me

@rootme_org

Root Me allows everyone to test and improve their knowledge in computer security and hacking. Legal. Free. Realistic. Discord: discord.gg/rootme

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Pierre H. 🔥🌸

@pedantcoder

present: security (zalloc, kalloc_type, IPC, VM, …) | past: GCD, synchro, objc_direct, perf… | timeless: 🇫🇷 snark | @[email protected]

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Lays

@_l4ys

Co-Founder @TrapaSecurity & @pwnabletw/ MSRC Top 100 2019&2020 / Mobile & Windows Security

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LiveOverflow 🔴

@liveoverflow

wannabe hacker... he/him 🌱 grow your hacking skills @hextreeio

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Specter

@specterdev

Interested in Security and Exploit Development. Nano is the one true text editor.

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vx-underground

@vxunderground

The largest collection of malware source code, samples, and papers on the internet. Password: infected

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Rémi GASCOU (Podalirius)

@podalirius_

Security Researcher & Speaker | Microsoft Security MVP | Developer of security tools | Coach of the CTF team @OteriHack 🎬 youtube.com/c/Podalirius

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Charlie Bromberg « Shutdown »

@_nwodtuhs

Trying to hack the way we hack things 🏴‍☠️

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Laluka@OffenSkill

@thelaluka

Sharing is Caring, Hacker, Eternel Learner, Cat! =^~^=

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TRIKKSS

@0xtrikkss

co-founder of theblackside.fr

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Worty

@_worty

Organizer of @HeroCTF || ctf w/ @FlatNetworkOrg || TeamFR 2021 & 2022 🇫🇷 || 🥷 @Synacktiv

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Kévin GERVOT (Mizu)

@kevin_mizu

Researcher for @ctbbpodcast lab 🐛 | DOMLogger++ developer 👨🏻‍💻 | CTF with @FlatNetworkOrg, @rhackgondins 🦦 | @ECSC_TeamFrance 2023 🇫🇷

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cts🌸

@gf_256

Co-founder and hacker @zellic_io & @pb_ctf | youtube.co/basteg0d69 | 24 Intern @egirl_capital slow to reply to DMs

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Intigriti

@intigriti

Bug bounty & VDP platform trusted by the world’s largest organisations! 🌍

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Mayfly

@m4yfly

Former Dev and DevOps| Pentester and red teamer at orange cyberdefense | OSCE³| Tweet are my own| discord: m4yfly

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ESN'HACK

@esnhack

Association Rennaise de Cybersécurité

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0xor0ne

@0xor0ne

| CyberSecurity | Reverse Engineering | C and Rust | Exploit | Linux kernel | PhD | My Tweets, My Opinions :) |

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BreizhCTF 2025

@breizhctf

#CTF 100% beurre salé. Ouvert à tous, mais les places sont très prisées ! #BreizhCTF2025 Discord ➡️ discord.gg/ckaT65Qsfg

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Noobosaurus R3x 🦖

@noobosaurusr3x

L3 H4ck3r L3 Plu5 n00b Du w3b youtube.com/c/NoobosaurusR… discord.gg/qxV529hray

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guyru

@guyru_

Vulnerability research, cryptography, FOSS, finance and random stuff. Leading @cellebrite's iOS research.

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Paradigm Shift

@prdgmshift

Premium cybersecurity research provider, powered by a world-class team with a decade-long track record. Built on unity, fueled by expertise, driven by values.

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[email protected]

@opa334dev

💩 (I do not use this platform anymore, do not expect responses or activity anywhere)

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Roger

@r0rt1z2

I like to break bootloaders

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那个饺子🦆(JJ)

@thatjiaozi

🇲🇽🇨🇦. Cloud Vulnerability Research. Opinions are my own. Not those of my company.

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nuts.

@__nuts7

script kitty

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Gergely Kalman

@gergely_kalman

bug bounty hunter I guess @[email protected] | gergelykalman.bsky.social

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staturnz

@staturnzdev

*OS stuff & jailbreak stuff developer

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DARKNAVY

@darknavyorg

Cybersecurity enthusiasts from DARKNAVY. Achieve, Analyze, Attack *Oops.

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@Pwn20wnd

@pwn20wnd

Hacker @unc0verTeam. Jailbroke iOS 11.0-14.8. Helping Apple make iOS more secure by unc0vering real security issues. #unc0ver

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Luke

@datalocaltmp

mobile reverse engineering, vulnerability research, using lldb

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thomas

@prng1337

cto @epsilon_sec

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binaryboy

@b1n4r1b01

average IDA View-A enjoyer

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Kiddo

@kiddo_pwn

Pwn2Own {24: 🇮🇪 / 25: 🏎️} | Vulnerability researcher @stealien

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Tommaso

@cutesmilee__

19yo poppin’ iOS at @dfsec_com

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Narcisse.

@narcisseuuh

CS Student @ Télécom SudParis | Formal Methods, Binary Analysis & Exploitation Enthusiast. PV : @NarcisseuuhPV

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p0her

@_p0her_

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Thach Nguyen Hoang 🇻🇳

@hi_im_d4rkn3ss

Security Researcher @starlabs_sg. Pwn2Own Mobile 2020, 2021, 2022, 2023. Pwn2Own Vancouver 2022, 2023, 2024.

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Catalyst Security

@catalystsec

Catalyst Security - Excellence in Research

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Haicker

@haicker_app

AI code auditors. Cheaper than pentests, smart enough to spot your bad habits. Waitlist's open 👀

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slonser

@slonser_

@C4TBuTS4D CTF team. Security Researcher at Solidlab. Web3 research at @neploxaudit

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