Jacob Soo @_jsoo_
Founder https://t.co/dU7gVAkwY9 Singapore Joined July 2011-
Tweets312
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Followers10K
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Following2K
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Running #TXM in userland thanks to binary instrumentation. Just attach lldb and enjoy breakpoints and single stepping. I assume attaching your favourite fuzzer shouldn’t be too hard either. All of this and more is available to our trainees in December. antid0te.sg/blog/25-12-15-…
🔥 FIRST BLOOD! 🔥 Wow, less than 24 hours and @junr0n drew first blood! 🩸 He just became the first student to solve our Summer Pwnables challenge and claim that $50 SGD + signed book! 📚💰 C-Shell level: CONFIRMED 🥷 We got a few more books+$ available for this challenge
🔥 FIRST BLOOD! 🔥 Wow, less than 24 hours and @junr0n drew first blood! 🩸 He just became the first student to solve our Summer Pwnables challenge and claim that $50 SGD + signed book! 📚💰 C-Shell level: CONFIRMED 🥷 We got a few more books+$ available for this challenge
Wow. @junr0n you are amazingly fast. 👍🏼👏🏼
CASE CLOSED: CVE-2025-29824 0 public samples, 0 information Suspect: Windows CLFS driver Crime: UAF leading to Privilege Escalation Status: ACTIVELY EXPLOITED ITW Investigation: Debugged and documented Case files: starlabs.sg/blog/2025/07-m… Done by our intern, Ong How Chong
One of our current intern, @goatmilkkk shared his Chrome-atic escape adventure using CVE-2024-30088 Epic obstacles documented in it too! starlabs.sg/blog/2025/07-f…
Refreshing to see the whole research journey documented by @goatmilkkk Awesome work
Refreshing to see the whole research journey documented by @goatmilkkk Awesome work
Our researchers, @KaligulaSec & @cplearns2h4ck were credited for 4 vulnerabilities in Microsoft this month. Huge congratulations to both of them for their exceptional work. 👏 msrc.microsoft.com/update-guide/v… msrc.microsoft.com/update-guide/v… msrc.microsoft.com/update-guide/v… msrc.microsoft.com/update-guide/v…
Awesome work by @KaligulaSec & @cplearns2h4ck . First time @KaligulaSec got credited with CVEs 🥳
Awesome work by @KaligulaSec & @cplearns2h4ck . First time @KaligulaSec got credited with CVEs 🥳
Exciting match so far between Samsung Lions 🦁 vs Doosan Bears 🐻 🥳🥳🥳
@offbyoneconf 2025 Day 2 presentation videos are now available on our official YouTube channel! Subscribe, like 👍 and comment! lnkd.in/geDcTSsr
@offbyoneconf 2025 Day 1 presentation videos are now available on our official YouTube channel! Subscribe, like 👍 and comment! lnkd.in/gi5jQBi4
For everyone who's pre-ordered: which were your favourite chapters? 1) Automated Variant Analysis 🤖 2) Hybrid Binary Analysis 🔎 C) Coverage-Guided Fuzzing 💥 D) Any other chapter? nostarch.com/zero-day 🤝 Let me know!
To everyone who pre-ordered "From Day Zero to Zero Day" – thank you for your patience. The wait is almost over. We're in the final countdown to start shipping in early July from @nostarch (and 12 Aug officially everywhere else)! Your support has been incredible. It’s time to…
SQL Injection despite using prepared statements? 🧐 Turns out that SQL syntax can be ambiguous! Learn how this has led to vulnerabilities in several popular PostgreSQL client libraries: sonarsource.com/blog/double-da… #appsec #security #vulnerability
The embargo (12:00 UTC 2025-06-10) is over, let's start a thread on Hydroph0bia (CVE-2025-4275), a trivial SecureBoot and FW updater signature bypass in almost any Insyde H2O-based UEFI firmware used since 2012 and still in use today. English writeup: coderush.me/hydroph0bia-pa…
When life gives you tangerines🍊 Intern Lin Ze Wei's task: Port a 2-bug exploit to Pixel 6 Pro Problem: One bug "doesn't work" Solution: Make it work with 1 bug Sometimes the best research comes from working with what you think you have starlabs.sg/blog/2025/06-s…
Sometimes the best mentorship is giving space to explore. @Peterpan980927 guided Zewei to not just solve the problem, but understand it deeply. Now i want to drink tangerine juice too :D
Sometimes the best mentorship is giving space to explore. @Peterpan980927 guided Zewei to not just solve the problem, but understand it deeply. Now i want to drink tangerine juice too :D
[#POC2025 NOTICE] 20 Years. Reborn. The brand evolved - The mission remains. Welcome to a new era of POC. ⏰ Date: November 13–14, 2025 📍 Venue: Four Seasons Hotel, Seoul, South Korea 🇰🇷 🎤 CFP: June 5 – September 30 🧑💻 Training: June 5 – September 30 🎟️ Registration:…
After almost 8 months of coordinated disclosure, vulnerabilities in Trend Micro Apex Central discovered by our former colleague @Chocologicall have been resolved! ZDI advisories: ZDI-25-295, ZDI-25-296, ZDI-25-297, ZDI-25-236, ZDI-25-237
Finally! After almost 8 months, critical vulnerabilities in Trend Micro Apex Central found by our former colleague @Chocologicall are resolved. Grateful for it has finally concluded but this timeline 🙄.
Finally! After almost 8 months, critical vulnerabilities in Trend Micro Apex Central found by our former colleague @Chocologicall are resolved. Grateful for it has finally concluded but this timeline 🙄.
chompie @chompie1337
83K Followers 1K Following hacker, weird machine mechanic, X-Force Offensive Research (XOR)
cts🌸 @gf_256
61K Followers 820 Following Co-founder and hacker @zellic_io & @pb_ctf | https://t.co/nlNai6iiMP | 24 Intern @egirl_capital slow to reply to DMs
Ptrace Security GmbH @ptracesecurity
59K Followers 867 Following Empowering IT Security Professionals through Hands-On Online Courses.
starlabs @starlabs_sg
9K Followers 20 Following A Singapore company that discovers vulnerabilities to help customers mitigate the risks of cyber attacks. Organisers of @offbyoneconf
Alex Plaskett @alexjplaskett
12K Followers 571 Following Security Researcher | Pwn2Own 2018, 2021, 2022, 2024 | Posts about 0day, OS, mobile and embedded security.
h0mbre @h0mbre_
15K Followers 641 Following # Exploit Reliability Engineer # Developing a full-system snapshot fuzzer: https://t.co/mfVXhwoGYD # Avi: https://t.co/3fsQfVprCf
blackorbird @blackorbird
35K Followers 671 Following Peace and Love. Just Analysis/Hunter. #APT #threatIntelligence #Exploit #CTI Need Job
Gareth Heyes \u2028 @garethheyes
37K Followers 1K Following JavaScript for hackers: Learn to think like a hacker. https://t.co/e0aNEbEDk5
kmkz @kmkz_security
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Haifei Li @HaifeiLi
8K Followers 151 Following For contact in the security community. NOTE: All the tweets are totally my personal opinions, not about any of my current employer stuff.
simo @_simo36
7K Followers 116 Following
hasherezade @hasherezade
89K Followers 910 Following Programmer, #malware analyst. Author of #PEbear, #PEsieve, #TinyTracer. Private account. All opinions expressed here are mine only (not of my employer etc)
b33f | 🇺🇦✊ @FuzzySec
33K Followers 1K Following 意志 / Antiquarian @ IBM X-Force / t501 / Ex-TORE ⚔️🦅 / I rewrite pointers and read memory / AI Psychoanalyst / Teaching @CalypsoLabs
crazyman_army @CrazymanArmy
6K Followers 3K Following CTFer / APT hunter / RedTeam / BlueTeam the member of @r3kapig the leader of @ShadowChasing1 CVE-2022-30190 find job opportunities opinions are own not group
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
john doesh @doesh_john65688
3 Followers 357 Following
Harsh Jaiswal @rootxharsh
22K Followers 1K Following Building @hacktronai | researching at @httpvoid0x2f | auditing at @cure53berlin | prev @zomato @vimeo @pdiscoveryio
Brown Jack @BrownJack596114
0 Followers 359 Following
c0w5un @c0w5un
21 Followers 486 Following
AT @Adrien_Thuau
19 Followers 2K Following
Shahed Hosen @ShahedHose76892
129 Followers 3K Following
Bheema @Bheema_0x01
20 Followers 732 Following
Allele Security Intel... @alleleintel
711 Followers 490 Following Allele Security Intelligence is an independent company specializing in Information Security research.
北美IT工程师 @Ora07445
1K Followers 7K Following 算法 | 数据库 | DevOps | Cyber Security | 云计算 | AI | 运维 | 架构师 | MAGA ｜美国留学移民顾问 职业规划 ｜ 移民律师助理
kroot @nootkroot
219 Followers 1K Following US Student | CTF @smiley_ctf @ARESxCTF @malta_ctf | pwn | CCNA, Sec+
DevNg @NgocNguyen92096
1 Followers 409 Following
alexdev @alexdev____
80 Followers 817 Following 💡 Je développe des petits programmes en cybersécurité. 🛠️ Des outils simples, autonomes et prêts à l’emploi.
hyc @hyc1351926038
0 Followers 102 Following
Md Mahabubul Hasan So... @sowrovsec
25 Followers 588 Following Intent over impulse. Recon ➜ exploit ➜ fix ➜ repeat. Craft over clout
Michel Oosterhof @micheloosterhof
790 Followers 2K Following ॐ・@google・climber・🚲・🤿・lapsed physicist・#cowrie developer・my opinions are my own・Πάντα ῥεῖ・🇳🇱
Happier1736 @enigmaGlow
2 Followers 2K Following
Ismail Arabi @IsmailArabi18
83 Followers 2K Following
Battle Programmer Yuu @netspooky
20K Followers 1K Following knuck if you buck 日本語/español OK (he/they) @tmpout @binarygolf @[email protected] (fedi) @ https://t.co/mZ77OENytt (bsky)
azraelxuemo @azraelxuemo
112 Followers 19 Following BlackHat Europe 2024, Zer0Con 2025, OFF-BY-ONE 2025, BlackHat USA 2025, DEFCON 33
Quý Thiện Nguyễn @QTN9527
0 Followers 27 Following
Quan Nguyen @zer01010001
0 Followers 65 Following
Uwu @Uwu79033065Uwu
264 Followers 6K Following
Q7 @LeoQ7_
1K Followers 768 Following Senior Security Researcher @sec3dev | Solana & Rust Audit | CTF @StrawHat_CTF & @Nu1L_Team & (former) @teama0e | Core Whitehat @DeFiHackLabs
عبد السلام �... @lka3h_taime
487 Followers 2K Following
Ahmed @iSlrm_
18 Followers 714 Following
Minh Duong @WhiteHoodHacker
2K Followers 1K Following uiuc cs | ctf @sigpwny | @defcon 30 speaker | he/him
Mohammad Reza Ahmadi @_Hidden_Cloud_
33 Followers 636 Following
wh0dat @wh0dere
0 Followers 157 Following
Naim Shaikh @NaimShaikh4211
26 Followers 485 Following Cyber Security Expert | Bug Bounty Hunter | Expert Speaker
Bumblebee @Lolippop23
182 Followers 2K Following Cybersecurity & AI enthusiast | Offensive Security Learner | Building, breaking & understanding systems | Curious mind
Bad user Experience @tOrbert_93
2K Followers 5K Following #Bayern in my DNA ||👨💻 Cloud Engineer ||A wanna be Pentester and Vulnerability researcher| C, PHP dev 🤡
Gustavo Régis @gregiss__
68 Followers 975 Following Electrical Engineering undergraduete at UFSC. Infosec \\ CTF player.
chompie @chompie1337
83K Followers 1K Following hacker, weird machine mechanic, X-Force Offensive Research (XOR)
cts🌸 @gf_256
61K Followers 820 Following Co-founder and hacker @zellic_io & @pb_ctf | https://t.co/nlNai6iiMP | 24 Intern @egirl_capital slow to reply to DMs
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.
Ptrace Security GmbH @ptracesecurity
59K Followers 867 Following Empowering IT Security Professionals through Hands-On Online Courses.
Project Zero Bugs @ProjectZeroBugs
35K Followers 0 Following A bot that posts the latest blog posts and disclosures from Google's Project Zero
starlabs @starlabs_sg
9K Followers 20 Following A Singapore company that discovers vulnerabilities to help customers mitigate the risks of cyber attacks. Organisers of @offbyoneconf
Alex Plaskett @alexjplaskett
12K Followers 571 Following Security Researcher | Pwn2Own 2018, 2021, 2022, 2024 | Posts about 0day, OS, mobile and embedded security.
[email protected]... @0xdea
14K Followers 19 Following When cryptography is outlawed, bayl bhgynjf jvyy unir cevinpl.
h0mbre @h0mbre_
15K Followers 641 Following # Exploit Reliability Engineer # Developing a full-system snapshot fuzzer: https://t.co/mfVXhwoGYD # Avi: https://t.co/3fsQfVprCf
Yarden Shafir @yarden_shafir
24K Followers 309 Following A circus artist with a visual studio license
Halvar Flake @halvarflake
44K Followers 3K Following Choose disfavour where obedience does not bring honour. I do math. And was once asked by R. Morris Sr. : "For whom?" @[email protected]
blackorbird @blackorbird
35K Followers 671 Following Peace and Love. Just Analysis/Hunter. #APT #threatIntelligence #Exploit #CTI Need Job
Zhuowei Zhang @zhuowei
33K Followers 187 Following link in bio ⬛⬛⬛⬛⬛🟩🟩🟩🟩🟩🟩 ⬛⬛⬛⬛🟩🟩🟩🟩🟩🟩🟩🟩 ⬛⬛🟧⬛🟩🟫🟫🟫🟫🟫🟫🟩 ⬛⬛🟧⬛🟫🟫🟫🟫🟫🟫🟫🟫 ⬛⬛🟧🟧🟫🟧🟩🟧🟧🟩🟧🟫🟧 ⬛⬛🟧🟧🟫🟧🟫🟧🟧🟫🟧🟫🟧 ⬛⬛⬛🟧🟧🟧🟧🟧🟧🟧🟧🟧🟧 ⬛⬛⬛🟩🟩🟧🟧🟫🟫🟧🟧🟩🟩 ⬛🟫🟫🟫🟫🟫🟧🟧🟧🟧🟩🟩🟫 🟫🟫🟧🟫🟫🟫🟫🟩🟩🟩🟩🟩🟧 🟫🟧🟧🟧🟫🟫🟧🟫🟫🟩🟩🟧🟧
mdowd @mdowd
32K Followers 747 Following Internet Hacker. Founder of @vigilant_labs. Previously, co-founder of Azimuth Security (now L3Harris Trenchant)
Gareth Heyes \u2028 @garethheyes
37K Followers 1K Following JavaScript for hackers: Learn to think like a hacker. https://t.co/e0aNEbEDk5
kmkz @kmkz_security
19K Followers 2K Following Offensive Security, pom-pom girl... Who cares ?? Bourbon Offensive Security Services | BOSS
Haifei Li @HaifeiLi
8K Followers 151 Following For contact in the security community. NOTE: All the tweets are totally my personal opinions, not about any of my current employer stuff.
Jiří Vinopal @vinopaljiri
10K Followers 462 Following Threat Researcher at Check Point @_CPResearch_ #DFIR #Reversing - All opinions expressed here are mine only. https://t.co/iWvwWF1AnN
Adriana Porter Felt @__apf__
64K Followers 928 Following I like writing silly Tweets, but that doesn't pay so I also type at @googledeepmind. Principal Engineer. ex-@googlechrome. volunteer @2ndharvest. 🇺🇸🇨🇷
Battle Programmer Yuu @netspooky
20K Followers 1K Following knuck if you buck 日本語/español OK (he/they) @tmpout @binarygolf @[email protected] (fedi) @ https://t.co/mZ77OENytt (bsky)
azraelxuemo @azraelxuemo
112 Followers 19 Following BlackHat Europe 2024, Zer0Con 2025, OFF-BY-ONE 2025, BlackHat USA 2025, DEFCON 33
Minh Duong @WhiteHoodHacker
2K Followers 1K Following uiuc cs | ctf @sigpwny | @defcon 30 speaker | he/him
Frank Wu @FrankOverF1ow
716 Followers 376 Following CTFer, Student, (Rev & Pwn & Automation), DEFCON 33 Finalist Exploring System Security and Porgram Analysis. Hacking with @r3kapig and @S1uM4i for fun.
Shreyas Penkar @streypaws
116 Followers 196 Following Android Vulnerability Researcher (Kernel/Chrome)
Attila Szasz @4ttil4sz1a
296 Followers 691 Following security researcher, aficionado of theoretical CS and program analysis, player of 🎹 and 🎸. connoisseur of class 4 scrambling & technical hikes⛰️
My Space! @Supakiad_Mee
2K Followers 243 Following
たけまる🦦 @tkmru
2K Followers 1K Following 昼は炭酸水を飲んで、夜は星を見てる / 著書『ポートスキャナ自作ではじめるペネトレーションテスト ―Linux環境で学ぶ攻撃者の思考 』『マスタリングGhidra』他 / AVTOKYO, Black Hat Arsenal, CODEBLUE Bluebox 他 / 頭取 of @sterrasec
Emu Exploit @EmuExploit
694 Followers 22 Following Perth based Aussie CTF Team 🇦🇺 https://t.co/6ZecPNl3At
charli xss @_bradan
233 Followers 378 Following monkey enthusiast, apprentice wizard. father of @EmuExploit and ctf with @malta_ctf
canalun @i_am_canalun
1K Followers 2K Following sec research💣 (@flatt_security) / @firefox dev🦊 (Birchill)
hashkitten @hash_kitten
2K Followers 174 Following vulnerability research @assetnote // hacking // codegolf // ctf with 🛹🐶
Security Research Lab... @SecReLabs
2K Followers 30 Following We are SRLabs, a hacking research collective and consulting think tank. Follow us to stay on top of the latest hacking research. https://t.co/GtjRnKnr9N
Kalmarunionen @kalmarunionenDM
2K Followers 88 Following KalmarCTF 2025: https://t.co/8NHWhF6mHU Homepage: https://t.co/R1QLSkNBhi CTFtime Link: https://t.co/UZqSKg6yJ6
GEEKCON @GEEKCONTOP
524 Followers 62 Following Initiated by DARKNAVY. New @GeekPwn. Globally unmatched security geek event, promoting the visualization & measurable value of security ecosystem capabilities.
Sto @YoursSto
46 Followers 335 Following Founder of @N0PSctf | Cybersecurity Engineering Student 🦋 | Member of @BrHackeuses
Azara / Norihide Sait... @a_zara_n
3K Followers 1K Following 🇯🇵/🧑💻/Security(Cyber,Cloud,Web)/実務者/@flatt_security/ Expert of Cloud Security @gmodev /CloudSecJP CoreMember/ #AWSCommunityBuilder / すべて個人の見解
Michael.Gorelik @smgoreli
1K Followers 322 Following CTO at Morphisec, CISSP, GitHub - https://t.co/JlYOhDEG5c
Rémi J. @netsecurity1
996 Followers 611 Following Security engineer interested in reverse engineering, vulnerability exploitation & low level stuff. Working at @Synacktiv. Techno music enthusiast 🎧
Angelos T. Kalaitzidi... @0xShad3
373 Followers 702 Following RE / VR & Intense Coffee Consumption. He/Him. Opinions are my own . Curr: iOS . Past: Hypervisors.
Cristofaro Mune @pulsoid
2K Followers 777 Following In between Physics & Computing. Fault Injection, TEEs, IoT & anything else challenging my curiosity. Founder at Raelize (@raelizecom)
Crusaders of Rust @cor_ctf
2K Followers 36 Following A European and American Security Research Group
st98 @st98_
3K Followers 2K Following CTF(team: @BunkyoWesterns🐈, @zer0pts🐣, @TeamHarekaze⚓)が楽しくて好き。Web問ばかり解いています。
Mochi Nishimiya @MochiNishimiya
279 Followers 258 Following just sad Vuln Research @starlabs_sg Baby Rev @r3kapig
Out of Bounds @oobs_io
114 Followers 1 Following
Dillon Franke @dillon_franke
1K Followers 398 Following Fuzzing, MacOS, vuln research @Google. Jesus Follower
Hoàng Hải Long �... @seadragnol
327 Followers 212 Following Security researcher at @qriousec. Focus on Linux kernel. Tiếng Việt / English / 日本語
Justin Gardner @Rhynorater
35K Followers 2K Following Christian | Full-time Bug Bounty Hunter | Host of @ctbbpodcast | Advisor @CaidoIO | 4x LHE MVH | 🗣️ English, 日本語 | ♥️ @mariahchan_ ♥️
Juhyeop Lee @juhye0p
157 Followers 116 Following Vulnerability Researcher / KITRI BoB 10th VR / Pwn2Own24🍀(Team. STEALIEN) @stealienTrends for United States
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