yeonseok @j4kerb

:D Joined August 2020

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Complete ASPM providing visibility, prioritization & remediation at scale. Standardizes developer security without slowing down the business.

Cycode | Complete ASP... @CycodeHQ

1K Followers 4K Following Complete ASPM providing visibility, prioritization & remediation at scale. Standardizes developer security without slowing down the business.

王思思 @ktwarCpxhmVjek3

11 Followers 219 Following 技术以渗透测试

Freelance Pentester & Consultant • Cobalt Core Lead & Pentester • Author • Speaker • Blogger • SecurityExplained • Project Bheem • Learn365 • Views are personal

Harsh Bothra @harshbothra_

43K Followers 741 Following Freelance Pentester & Consultant • Cobalt Core Lead & Pentester • Author • Speaker • Blogger • SecurityExplained • Project Bheem • Learn365 • Views are personal

Ajay sharma @security_donut

1K Followers 543 Following 25 | Security Researcher | whitehat @Immunefi Top 90 Hackers in leaderboard | Rewarded by Apple, Google and 300+ companies

Fabian Yamaguchi @fabsx00

3K Followers 467 Following Vulnerabilities and Exploits. CTO/Founder @whirlylabs, Core developer @joernio, Professor @StellenboschUni

hanno @hanno

7K Followers 876 Following Journalist. Climate, Energy, IT Security. Mastodon: https://t.co/TebFCJxAf4 Newsletter about Climate/Energy/Industry at https://t.co/FqP69GdhD4

head of appsec @latacora // matasano/NCC alum • music/photos: https://t.co/9zdbsn4B9B • Außenseiter • Bedenkenträger • Giving Tree • 52hz whale • 🏳️‍🌈 he/him

Drew Suarez (@utkanos... @utkan0s

1K Followers 831 Following head of appsec @latacora // matasano/NCC alum • music/photos: https://t.co/9zdbsn4B9B • Außenseiter • Bedenkenträger • Giving Tree • 52hz whale • 🏳️‍🌈 he/him

🐘 @therealsaumil@i... @therealsaumil

8K Followers 2K Following Hacker. Speaker. Trainer. Entrepreneur. Traveler. Photographer. Calligrapher. Kite-flyer. Rebel. Made in India 🇮🇳 (vi/vim)

سمووحخ ̷̴̐ خ ̷̴̐ خ ̷̴̐ خ امارتيخ ̷̴̐ خ 巴斯克恐怖
జ్ఞffective.Power لُلُصّبُلُلصّبُررً ॣ ॣh ॣ ॣ 冗జ بٍٍٍٍََُُُِّّّْرٍٍٍٍََُُِِّّّْآٍٍٍَُّ🦠بٍٍٍٍََُُُِّّّْرٍٍٍٍََُُِ

Joxean Koret (@joxean... @matalaz

8K Followers 4K Following سمووحخ ̷̴̐ خ ̷̴̐ خ ̷̴̐ خ امارتيخ ̷̴̐ خ 巴斯克恐怖 జ్ఞffective.Power لُلُصّبُلُلصّبُررً ॣ ॣh ॣ ॣ 冗జ بٍٍٍٍََُُُِّّّْرٍٍٍٍََُُِِّّّْآٍٍٍَُّ🦠بٍٍٍٍََُُُِّّّْرٍٍٍٍََُُِ

The only official HackerOne Twitter account.

A global leader in offensive security solutions. #HackForGood #togetherwehitharder

HackerOne @Hacker0x01

324K Followers 3K Following The only official HackerOne Twitter account. A global leader in offensive security solutions. #HackForGood #togetherwehitharder

🎬#EmilyInParis🏳️‍🌈#TOPBOY💃🏻#TheSingaporeGrip🕵🏻‍♀️#AgathaChristie 🏝#DeathInParadise #IrishWish Fond of #Animals❤️🦁 https://t.co/zxO4GHahwp

ELIZABETH TAN 🎬 @ElizabethTan8

18K Followers 458 Following 🎬#EmilyInParis🏳️‍🌈#TOPBOY💃🏻#TheSingaporeGrip🕵🏻‍♀️#AgathaChristie 🏝#DeathInParadise #IrishWish Fond of #Animals❤️🦁 https://t.co/zxO4GHahwp

Philip @_miw

749 Followers 593 Following goth hippie infosec d00d from .au living in NY; Taking a break from twitter for a while.

RootkitCN @rootkitcn

1K Followers 497 Following Focus on mobile&PC security, exploit, malware, webhack etc.

@Openwall founder, @oss_security maintainer, @lkrg_org co-author, @CtrlIQ Linux security engineer. RTs don't imply agreement with points of view.

Solar Designer @solardiz

13K Followers 1K Following @Openwall founder, @oss_security maintainer, @lkrg_org co-author, @CtrlIQ Linux security engineer. RTs don't imply agreement with points of view.

Trend Zero Day Initiative™ (ZDI) is a program designed to reward security researchers for responsibly disclosing vulnerabilities.

Trend Zero Day Initia... @thezdi

83K Followers 16 Following Trend Zero Day Initiative™ (ZDI) is a program designed to reward security researchers for responsibly disclosing vulnerabilities.

CODE BLUE, ACSC/ICC, GCC, LCL-Tokyo, APWG, ex-AVTOKYO, ex-Black Hat Japan
★Nov.16-17.2025 CODE BLUE training
★Nov.18-19.2025 CODE BLUE conference
@codeblue_jp

_kana @_kana

2K Followers 1K Following CODE BLUE, ACSC/ICC, GCC, LCL-Tokyo, APWG, ex-AVTOKYO, ex-Black Hat Japan ★Nov.16-17.2025 CODE BLUE training ★Nov.18-19.2025 CODE BLUE conference @codeblue_jp

Tora @onceuponanop

714 Followers 198 Following

vangelis @vangelis_at_POC

8K Followers 970 Following I am reading books.

stratan @5tratan

449 Followers 931 Following

CTO @ MaxwellSec | Security Researcher | Formerly @ImmunityInc & @Intel | Figuring out how things work, reversing one puzzle at a time

Matias Soler @gnuler

882 Followers 377 Following CTO @ MaxwellSec | Security Researcher | Formerly @ImmunityInc & @Intel | Figuring out how things work, reversing one puzzle at a time

We are TROOPERS - IT-Security Conference & Trainings
https://t.co/gO1lSzFuns
Also at the infosec exchange @WEareTROOPERS

TROOPERS Conference @WEareTROOPERS

10K Followers 501 Following We are TROOPERS - IT-Security Conference & Trainings https://t.co/gO1lSzFuns Also at the infosec exchange @WEareTROOPERS

Dragon Sector @DragonSectorCTF

11K Followers 14 Following A CTF team

I'm a Principal Security Researcher of 15+ years in South Korea. I was Director of CERT at Anti-Virus company and Adjunct Professor of University.

Simon Choi @kr_simon_choi

690 Followers 583 Following I'm a Principal Security Researcher of 15+ years in South Korea. I was Director of CERT at Anti-Virus company and Adjunct Professor of University.

음음 @orderofsys

24 Followers 311 Following

Ahn Ki Chan @Externalist

4K Followers 405 Following Android technical lead @dfsec_com

Principal Engineer at #SamsungResearchAmerica. Member of #TeamAtlanta. DEF CON CTF Winner. My tweets do not reflect the view of Samsung/SRA. A sponsor of 🐻

Yeongjin Jang (blue90... @blue9057

2K Followers 3K Following Principal Engineer at #SamsungResearchAmerica. Member of #TeamAtlanta. DEF CON CTF Winner. My tweets do not reflect the view of Samsung/SRA. A sponsor of 🐻

Jeremy Bae @opt9

2K Followers 3K Following Foo Bar

somma @YonghwanRoh

165 Followers 129 Following

passket @passket

436 Followers 239 Following aka passket, some stuff in hacking, CTO of bpsec and advisory committee member for korea governs.

Kyungdong Kim(kancho) @kanch0

501 Followers 673 Following Co-Founder/CEO @78_lab , A Cyber Security Research Company

CHA Minseok(Jacky) @xcoolcat7

1K Followers 3K Following 평생 덕후를 꿈꾸는 일반인 / 신해철, N.EX.T, Nine Muses, tripleS 팬 / 1980-1990 년 대 추억 놀이 : 8 비트 컴퓨터, 게임, 영화, 드라마, 애니, 음악 / 집에서 식물 키우기 / 가끔 본업인 정보 보안 / 은퇴 후 가족과 세계 여행 목표

051R15 @051R15

585 Followers 321 Following Cyber Security Researcher who loves Extreme Sports Opinions Are My Own 👻

binish @bi_ni_sh

330 Followers 354 Following Security Researcher, a.k.a. binish Gathering security information and sharing it.

jz (Heungsoo Kang) @jz__

446 Followers 310 Following Reverse engineering, obfuscation, APT track, tool writing, etc

I'm a computer security consultant. I'm interest in Computer Security, Penetration Test, Reverse Engineering, Presentation, ...

Simon Ryeo @bar4mi

420 Followers 317 Following I'm a computer security consultant. I'm interest in Computer Security, Penetration Test, Reverse Engineering, Presentation, ...

Federico Kirschbaum @fede_k

7K Followers 4K Following VP of Research & Development @faradaysec. Founder of @ekoparty security conference, Usual suspect, Troublemaker

Infosec enthusiast, husband, father, son. This tweeter account is mainly for saving and sharing infosec stuff I encounter on the internet.

Byungho Min @tais9

668 Followers 2K Following Infosec enthusiast, husband, father, son. This tweeter account is mainly for saving and sharing infosec stuff I encounter on the internet.

Computer Security, Reverse Engineering, and Fuzzing; Training & Publications @ https://t.co/mloVP6rPB7; hacking the planet since 1995; Undercurrents BOFH

Richard Johnson @richinseattle

18K Followers 3K Following Computer Security, Reverse Engineering, and Fuzzing; Training & Publications @ https://t.co/mloVP6rPB7; hacking the planet since 1995; Undercurrents BOFH

Brian Pak @brian_pak

2K Followers 192 Following CEO @ Theori | CMU CS '11 | Plaid Parliament of Pwning

mac @maceip

961 Followers 365 Following building Kontext

Lord Steak @Adrian__T

633 Followers 669 Following Principal Security Consultant @FORTBRIDGE

We can fix it. We have the technology. OK. We need to create the technology. Alright. The policy guys are mucking with the technology. Relax. WE'RE ON IT.

Dan Kaminsky @dakami

85K Followers 416 Following We can fix it. We have the technology. OK. We need to create the technology. Alright. The policy guys are mucking with the technology. Relax. WE'RE ON IT.

Working on Project Zero, Big Sleep, and V8 Security. Personal account. Also @saelo@chaos.social and https://t.co/aVitnPjBie

Samuel Groß @5aelo

24K Followers 501 Following Working on Project Zero, Big Sleep, and V8 Security. Personal account. Also @[email protected] and https://t.co/aVitnPjBie

CISO and Chief Hacking Officer at HackerOne. Past: Founded {vsftpd, Chrome security, Google Project Zero}; Tesla; Dropbox. Hacker / Researcher. beebjit.

Chris Evans @scarybeasts

25K Followers 202 Following CISO and Chief Hacking Officer at HackerOne. Past: Founded {vsftpd, Chrome security, Google Project Zero}; Tesla; Dropbox. Hacker / Researcher. beebjit.

Mobile & Security Research | Founder @ZecOps (Acq. by JAMF) 🐊 & @ZIMPERIUM (Acq.) | #FreeTheSandbox✌ | ❤️ Chess | My random thoughts, only some are accurate.

Zuk @ihackbanme

17K Followers 1K Following Mobile & Security Research | Founder @ZecOps (Acq. by JAMF) 🐊 & @ZIMPERIUM (Acq.) | #FreeTheSandbox✌ | ❤️ Chess | My random thoughts, only some are accurate.

Junghoon Lee @lokihardt

2K Followers 0 Following

Sneaky bit flipper | CEO @azeria_labs | Author of “Arm Assembly Internals & RE” @BlueFoxBook | Adjunct Professor @SAISHopkins | Forbes 30u30

Azeria @Fox0x01

122K Followers 597 Following Sneaky bit flipper | CEO @azeria_labs | Author of “Arm Assembly Internals & RE” @BlueFoxBook | Adjunct Professor @SAISHopkins | Forbes 30u30

Woman. Hacker. Artist. Researcher. Teacher. Trainer. Master student of Intelligence and Security Studies at LJMU. Project leader at @StratosphereIPS.

veronica @verovaleros

9K Followers 810 Following Woman. Hacker. Artist. Researcher. Teacher. Trainer. Master student of Intelligence and Security Studies at LJMU. Project leader at @StratosphereIPS.

Felix Gröbert @fel1x

4K Followers 623 Following Principal Engineer, Product Security Engineering at Google Cloud. Opinions own. Tweets deleted periodically.

Security researcher @TalosSecurity / Ex-Google TAG / Black Hat USA & HITCON Review Board / Organizer of @rhacklette41. My tweets are my own opinion.

Chi-en (Ashley) Shen ... @ashl3y_shen

4K Followers 1K Following Security researcher @TalosSecurity / Ex-Google TAG / Black Hat USA & HITCON Review Board / Organizer of @rhacklette41. My tweets are my own opinion.

Peter Vreugdenhil @WTFuzz

7K Followers 34 Following Mitigations bypassed: DEP, ASLR,KASLR, SafeSEH, CFG, Protected Mode, SMEP, PAC, ** ** list might be incomplete

Hacker, bearer of the 2017 Pwnie Lifetime Achievement Award, Experiment 626 type
Otherwise applicable: I can neither confirm nor deny.

FX of Phenoelit @41414141

18K Followers 519 Following Hacker, bearer of the 2017 Pwnie Lifetime Achievement Award, Experiment 626 type Otherwise applicable: I can neither confirm nor deny.

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