splitline 👁️🐈⬛ @_splitline_
友民党 / CTF with ${cYsTiCk} / @D3VC0R3 / Tâi-gí, zh-TW, en-US, es-PY / 🐈⬛ blog.splitline.tw Tsu-lô-Kuān, Formosa Joined July 2019-
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@0xPira it was kinda accidental... i was just doing a small test to see whether vanilla codex/claude can handle bug bounty hunting :o
some supply chain compromise
That's a wrap on Pwn2Own Berlin 2026! 🏆 $1,298,250 awarded. 47 unique 0-days. 3 days of absolute chaos. And talk about main character energy - congrats to DEVCORE for claiming Master of Pwn with 50.5 points and $505,000 - they never slowed down. See you next year! #Pwn2Own #P2OBerlin
Booyah it's been confirmed! 🎉 splitline (@_splitline_) of DEVCORE Research Team chained 2 bugs to exploit Microsoft SharePoint, earning $100,000 and 10 Master of Pwn points. Massive aura farming this year at #P2OBerlin. Full win! #Pwn2Own
pure logic bug chain to pwn browser no memory corruption found without AI assistance 🍊 is built different omg
Confirmed! Orange Tsai (@orange_8361) of DEVCORE Research Team (@d3vc0r3) chained 4 logic bugs to achieve a sandbox escape on Microsoft Edge, earning $175,000 and 17.5 Master of Pwn points. Full win! #Pwn2Own #P2OBerlin
Honestly, with a little LLM help, I found variants, built a working PoC, and sent a polished patch to maintainer on the same day CopyFail dropped. So I’m curious why Xint didn’t find those variants before disclosure, assuming AI tools are used heavily in their workflow👀 Disclaimer: I’m an independent reporter and the patch author of the xfrm-ESP vulnerability, unrelated to the Dirty Frag post.
💥 Introducing "Dirty Frag" A universal Linux LPE chaining two vulns in xfrm-ESP and RxRPC. A successor class to Dirty Pipe & Copy Fail. No race, no panic on failure, fully deterministic. ~9 years latent. Ubuntu / RHEL / Fedora / openSUSE / CentOS / AlmaLinux, and more. Even
is there any cool non-frontend web ctf challenges this year that aren't llm-solvable 👀
@yuzhinok Three hundred and three
@guttapercha80 @MeeRebus11 @danieleskay However the traditional international name for this island is Formosa, while the ethnic name used by Hokkien-speaking ppl on the island is Taiwan. Yes, even in many Indigenous langs. For example, Amis, which you mentioned we are also called taywan Historical issue is complicated
And this makes sense given how many CTFs are held per year. However, the ideal CTF challenge, in my opinion, should follow this formula: "The author conducted a mini-research project and instead of publishing it, turned it into a challenge."
What I’ve always found amazing about CTFs is that "flag is flag". Whether you found an unintentional solve or pwned the browser with n-day for a XSS challenge, it didn't matter. I totally get the frustration of AI, but there is no solution other than accepting the change.
I started playing CTFs in 2022, and LLMs definitely changed the **competitive** CTF scene a lot, especially since mid-2025. I also started using LLMs in late 2025. Yes, those models did one-shot many challenges, but what's the fun of slopping them? I learned absolutely nothing 🥲
A POC for CVE-2025-55182 gist.github.com/maple3142/48bc…
A bit late, but I just published my blog post on bypassing Ubuntu’s sandbox! Hope you enjoy it! u1f383.github.io/linux/2025/06/…
The blog post is the full version of my talk at 38c3. It's about some vulnerabilities we found in libarchive and some interesting behaviors of libarchive that you don't want to miss. My favorite part is it only took us 56 seconds to trigger a crash by AFL++.
Our latest deep dive explores libarchive vulnerabilities under recent Windows 11 updates. 🔍🔓 Check out NiNi's (@terrynini38514) technical write-up for key insights and security implications. Read more here: devco.re/blog/2025/02/1… #VulnerabilityResearch #Cybersecurity
@dicegangctf @strellic This is just a rumor to make themselves feel better, CTFers doesn't have life and probably all single
🤘Congrats Orange(@orange_8361) and Splitline(@_splitline_) on making it to 2024 Top 10 Web Hacking Techniques! Check out their groundbreaking research: portswigger.net/research/top-1…
I will drop one web challenge there 🐈⬛
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
cts🌸 @gf_256
67K Followers 988 Following founder and hacker @zellic_io @v12sec @pb_ctf yt https://t.co/nlNai6iQCn
Huli | lang: zh-Hant-... @hulitw
5K Followers 547 Following Front-end ＜=＞ Security | English account: @aszx87410 | 偶爾跟 @Water_Paddler 一起打 CTF | 無聊的時候喜歡寫文章
NiNi @terrynini38514
3K Followers 643 Following Security Researcher at @d3vc0r3 / Pwn2Own Master of Pwn (Toronto 2022) / CTFer @balsnctf
Jim Huang @jserv
12K Followers 8K Following "A hacker, a lecturer, a father" // Adjunct faculty at @NCKU_official
Moriarty @Rudrakshsaini2
2K Followers 2K Following I like cats , computers and ctf’s | Captain @thehackerscrew1 | Slutt datafag
C.A.Lee 🇹🇼 @calee0219
502 Followers 1K Following CS Master in NCTU, Taiwan. Majoring in Infrastructure and Networking. Now working on free5GC project for next generation core network.
sahuang @sahuang97
4K Followers 780 Following Founder @ProjectSekaiCTF | Web3 Security Researcher @osec_io | Ex Software Engineer @Microsoft | Chunithm/Maimai 虹レ
ptr-yudai @ptrYudai
6K Followers 357 Following 🍣🍣🍣 https://t.co/5OmzwCTPea 🍣🥺🍣 @zer0pts の猫 🐯 🍣🍣🍣 https://t.co/5OmzwCTPea
Steven Lin @5teven1in
391 Followers 386 Following A software engineer interested in Cybersecurity and Machine Learning, and also a CTFer focused on Reverse & Pwn @ BambooFox 🎉.
小克 🌤 @littlegoodjack
2K Followers 2K Following Laravel 兼 AWS 小小新創工程師 // 結果現在寫 FastAPI // 但我喜歡研究產品和 UX 欸 // 路線圖可能沒空翻了 🥲 https://t.co/nFVjCoYkDB // #UNIQLO 狂熱粉絲 👉 https://t.co/mdbTJ9Kn7w // Mastodon: https://t.co/9lF6bHliuy
Samuel Tang @mystiz613
1K Followers 329 Following AKA mystiz. Tweets on 🇭🇰 and Cybersec. Opinions are my own.
Ark @arkark_
2K Followers 882 Following Into experimental/deprecated features | CTF player | ex-traP
sqrtrev @sqrtrev
5K Followers 715 Following Captain of @SuperGuesser / DEFCON 29 - 34 Finalist Security Researcher @ENKI_official_X
zayne (zeyu) zhang @zeyu1337
3K Followers 2K Following 🇸🇬 | co-founder @hacktronai - your AI teammate for security | @projecteurope_ 🇪🇺 | cs @cambridge_uni 🇬🇧 | prev: @cure53berlin @tiktok_us, ogp | @Water_Paddler
kurenaif🪄🗝 @fwarashi
6K Followers 3K Following 主にCTFやセキュリティ関連の話題を取り扱うVTuber 衣装のデザインやモデラーなどの情報はこちらから→ https://t.co/IHsDjTJwDK header: @sawararado icon:@Kurage_cc
wyllow @wyllowSec
99 Followers 151 Following red team ops | bb | cyberscurity Research | Pentester FIAP | OSCP etc...
SRON @srontoji
198 Followers 1K Following L+N≠0, P=∞, S→Moksha 1L = 0, 1H = ∞, 1P = 2M L≠0, B=∞, M=P, S→B
江鸟 | BD @J1angN1a0
44 Followers 718 Following meme 土狗选手 | 格局要大 | 熬夜第二名 第一名（广告位招租） 每日选有意思的金狗复盘 | 发帖内容不构成投资建议 | DYOR
Shady @5hady_
2K Followers 459 Following Security Researcher @NuaSecurity | Bug Hunter | Top 60 @intigriti | eWPTX | eMAPT
Freddy @Freddycrur
27 Followers 228 Following
burpsuit @metasploitwp
0 Followers 16 Following
Walter Neder @WalterNeder
146 Followers 2K Following
The Zeynoth @nexoragion
1 Followers 188 Following Just A Tech ⚡ Electrical Engineer specializing in Telecom Systems, Bug Hunter
Anastaqiyudin @Anastaqiyudin5
0 Followers 149 Following
MattSilverio @MattSilverioDev
144 Followers 307 Following
Rafael @elrafael9_
29 Followers 415 Following
João Gabriel @JooGabriel93477
10 Followers 1K Following
cadu ➔ biblialab.co... @_cadudev
116 Followers 252 Following My projects: CvFlux: https://t.co/rnOX2IflPT BibliaLab: https://t.co/KgMbkjFTpi
pdrn @0x7064726D4E
1 Followers 76 Following
var d = "M20.396 11c-... @nectoor
35 Followers 370 Following Ceo #OsintechSecurityGroup web pentester and ethical hacking | cyber threat intelligence analyst | #Osint #OfensiveSecurity #RedTeam #CyberSecurity
Jamanta @Jamanta471362
0 Followers 37 Following
SoldierBoysBack @SoldiersBack0
1 Followers 328 Following
Daru @DaSHSteins
0 Followers 12 Following I do some different things on the PC and sometimes they pay in dollars or euros
Asad Anwar @asad_anwar90
1K Followers 884 Following Ethical Hacker || Penetration Tester || Bug-bounty Hunter
Jão @xsslover
189 Followers 1K Following DevBugHunterOffSec Guy / Hacker https://t.co/Cp5e8bkMaB Co-Founder
Del @1d33l7
38 Followers 403 Following
kjc @kejcao_
5 Followers 576 Following
hardt @xHardt1
0 Followers 7 Following
Lucas Futures @lukashanren1
478 Followers 206 Following Lucas Quant 🚀 Full-Stack Engineer | Quant Developer 💻 Building AI-driven trading systems 🥚 Founder, Claude World Community
byro @plugsh4wty
157 Followers 471 Following
DzN @DzNz_
1 Followers 591 Following
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
cts🌸 @gf_256
67K Followers 988 Following founder and hacker @zellic_io @v12sec @pb_ctf yt https://t.co/nlNai6iQCn
Huli | lang: zh-Hant-... @hulitw
5K Followers 547 Following Front-end ＜=＞ Security | English account: @aszx87410 | 偶爾跟 @Water_Paddler 一起打 CTF | 無聊的時候喜歡寫文章
NiNi @terrynini38514
3K Followers 643 Following Security Researcher at @d3vc0r3 / Pwn2Own Master of Pwn (Toronto 2022) / CTFer @balsnctf
Jim Huang @jserv
12K Followers 8K Following "A hacker, a lecturer, a father" // Adjunct faculty at @NCKU_official
TrendAI Zero Day Init... @thezdi
89K Followers 18 Following TrendAI Zero Day Initiative™ (ZDI) is a program designed to reward security researchers for responsibly disclosing vulnerabilities.
Moriarty @Rudrakshsaini2
2K Followers 2K Following I like cats , computers and ctf’s | Captain @thehackerscrew1 | Slutt datafag
C.A.Lee 🇹🇼 @calee0219
502 Followers 1K Following CS Master in NCTU, Taiwan. Majoring in Infrastructure and Networking. Now working on free5GC project for next generation core network.
sahuang @sahuang97
4K Followers 780 Following Founder @ProjectSekaiCTF | Web3 Security Researcher @osec_io | Ex Software Engineer @Microsoft | Chunithm/Maimai 虹レ
Intigriti @intigriti
210K Followers 667 Following Bug bounty & VDP platform trusted by the world’s largest organisations! 🌍
ptr-yudai @ptrYudai
6K Followers 357 Following 🍣🍣🍣 https://t.co/5OmzwCTPea 🍣🥺🍣 @zer0pts の猫 🐯 🍣🍣🍣 https://t.co/5OmzwCTPea
Steven Lin @5teven1in
391 Followers 386 Following A software engineer interested in Cybersecurity and Machine Learning, and also a CTFer focused on Reverse & Pwn @ BambooFox 🎉.
Samuel Tang @mystiz613
1K Followers 329 Following AKA mystiz. Tweets on 🇭🇰 and Cybersec. Opinions are my own.
Ark @arkark_
2K Followers 882 Following Into experimental/deprecated features | CTF player | ex-traP
sqrtrev @sqrtrev
5K Followers 715 Following Captain of @SuperGuesser / DEFCON 29 - 34 Finalist Security Researcher @ENKI_official_X
Off-By-One Conference @offbyoneconf
2K Followers 247 Following A premier gathering of offensive cybersecurity professionals, researchers, thought leaders and innovators from around the region.
Pam O’Shea @pamoshea
3K Followers 5K Following Security consultant | @BlackHatEvents @BSidesCbr @BSidesSG @OWASPMelbourne Review Boards | @SDR_Melbourne | VK3HXX |@haXX_group | @sheasecurity🖖📚☕️
Nightmare Eclipse @ChaoticEclipse0
13K Followers 577 Following
Omar Espino • @omespino
11K Followers 740 Following Security hall of fame: Google VRP • Microsoft • Reddit • Telegram • Twitter • Facebook • Apple • Netflix • Slack • etc •
skull @brutecat
8K Followers 380 Following hacker, security researcher. 21. i run a blog @ https://t.co/cBW6gzTpV2
紅鮎 @A7oxHmPxpw55878
502 Followers 61 Following よくわからんけどポケットの中でスマホが暴れてたみたいで、前の垢にはいれなくなっちゃったです。遺跡垢を掘り起こせたのでオリジナルの漫画を描き始めました。理性で我慢する大人の男と無自覚まっすぐ男のBLです。 最後まで描き切るためのアカウント。 おじさん攻。独り言多い人見知りです。 無言フォロー失礼します。無断転載禁止。
Stefan Esser @i0n1c
108K Followers 462 Following CEO of @Antid0tecom (former CEO of @SektionEins) (contact: [email protected])
lcamtuf @lcamtuf
40K Followers 499 Following Substack: https://t.co/yFvmNisGW3 Homepage: https://t.co/iFAXZxCO5H
bot @securit31482176
14 Followers 306 Following
Microsoft BlueHat @MSFTBlueHat
5K Followers 212 Following BlueHat is where the security research community and @Microsoft security pros come together as peers, to connect, share and learn. Run by @MSFTSecResponse
Frank Wu @FrankOverF1ow
1K Followers 509 Following CTFer, Student, (Rev & Pwn & Automation), DEFCON 33 Finalist Exploring System Security and Porgram Analysis. Hacking with @r3kapig and @S1uM4i for fun.
box turtle @xploitrsturtle2
2K Followers 16 Following I follow ToS Box turtle / canisterturtle / shai huturtle email service is down - uwu underground / icesolst has a safeword with me mum look Im on the news.
LJP @ljp_tw
64 Followers 182 Following
Azrael @azraelxuemo
191 Followers 34 Following Independent VR Spoke at BlackHat Europe 2024, Zer0Con 2025, OFF-BY-ONE 2025, BlackHat USA 2025, DEFCON 33, Zer0Con 2026, BlackHat Asia 2026, SAFACon 2026
Thomas Roccia 🤘 @fr0gger_
35K Followers 2K Following AI Security x Threat Intel · Threat Researcher · Creator of #Unprotect & #NOVA · Malware Warlock · Python 🧡 · Prev @Microsoft @McAfee_Labs
Attack and Defense @attackndefense
1K Followers 8 Following @[email protected] - Mozilla's Security Internals for Security Engineers, Security Researchers, and Bug Bounty Hunters.
Alex Moshkov @amoshkov
2K Followers 1K Following Community Bro @ 🟥 Positive Technologies / @PTSWARM / @ptdbugs / @StandoffBB / #PHTalks / #PHDays / #PHCamp
itewqq @lyq_sqsp
2K Followers 693 Following Security researcher @DarknavyOrg. CTF player @0ops_ctf. Somehow got a PhD on hardware stuff @SJTU1896. Opinions/Shitposts are my own.
fox hsiao @pirrer
25K Followers 1K Following https://t.co/ADltMSqInz A starter, Founder of iCook / INSIDE
八音玄古 HenKoo_T... @8imHenKoo
137 Followers 324 Following 大家好，我是從異空間「伏魔薩國」來到台灣的Vtuber... 「八音玄古 Henkoo」歡迎訂閱我的頻道喔^^ #台灣Vtuber #個人勢 #TâiUânLâng #八音起鼓 https://t.co/D8W7A5ZD71 連結樹 https://t.co/5jL2k9Xbmf
dawgyg - WoH @thedawgyg
59K Followers 1K Following #h1415 2020 MVH, Bug Bounty Hunter, Reformed Blackhat. Views/Likes/Retweets do not represent my employer in anyway.
宛如：台語文放... @Oanju_Poleliong
67 Followers 32 Following 我是宛如！ 我一開始絕對毋是陳火舌佮狸屋zero想像出來ê朋友！ 這馬開始兼做一粒台語文放送頭（敢有法度做甲一粒一猶毋知） 會使來遮投稿，予我替你放送：https://t.co/UJxCXPWW82
Xiaobye @xiaobye_tw
134 Followers 335 Following
Anthropic @AnthropicAI
1.4M Followers 2 Following We're an AI safety and research company that builds reliable, interpretable, and steerable AI systems. Talk to our AI assistant @claudeai on https://t.co/FhDI3KQh0n.
joernchen @joernchen
8K Followers 517 Following Your mom's favorite hacker. Also at @[email protected]
spaceraccoon | Eugene... @spaceraccoonsec
26K Followers 315 Following Author of "From Day Zero to Zero Day" - No Starch Press. Every day is 0day! Personal profile - all opinions expressed are my own.
ϻг_ϻε @steventseeley
23K Followers 558 Following Artist disguised as a logician. Pwn2Own Winner. Spiritual Alchemy. An adept in the making.
Security Bug Aggregat... @BugsAggregator
3K Followers 1 Following Aggregate disclosed Chromium security bugs.
Rebane @rebane2001
15K Followers 2K Following 🇪🇪🏳️⚧️ | Archivist | 12 CVEs in Chrome | CSS sophomore | MapartCraft | Puppy | Horse | rebane2001#3716 | Lyra (she/her) 🦊 @[email protected]
pspaul @pspaul95
1K Followers 858 Following source code connoisseur @Sonar_Research | CTF @FluxFingers | @[email protected]
The HOPE Conference �... @hopeconf
17K Followers 342 Following Hackers On Planet Earth - New York City, USA - New Yorker Hotel - August 14-16 2026 🗝💻📻☎️ 🐘:@[email protected] • 🦋:@hope.net • ig/threads:hopeconf
Wirebrowser @wirebrowser
163 Followers 4 Following Wirebrowser is a CDP-based runtime instrumentation platform for the browser. Think Frida, but for JavaScript running in Chrome — without monkeypatching.
宝玉 @dotey
228K Followers 2K Following AI Engineer, dedicated to learning and disseminating knowledge about AI, software engineering, and engineering management.
Hans Chiu @chiu_hans
14K Followers 771 Following Camera image processing engineer https://t.co/o9tRKzYkMu
BSides Pyongyang @BSidesPyongyang
1K Followers 706 Following 🇰🇵 #BSidesPyongyang2026 : Nov 18 2026 (Missile Industry Day) @ Lazarus HQ Pyongyang & Live Stream | 31st anniversary 🎂 https://t.co/gb9sDPJC8X
The Overseers Collect... @_overseers
179 Followers 7 Following A team for creating a whole new type of CTF experience.
TheSAS2026 @TheSAScon
4K Followers 258 Following #TheSAS2026 Speakers and agenda 👉 https://t.co/cVsRzXMGEv
kernelcon @_kernelcon_
2K Followers 74 Following https://t.co/SdwHu7Ar1f 🏕️Training: 4.7-8. 🌲Con: 4.9-10 🏨 Venue: Hilton downtown Omaha 🪵 CFP is CLOSED 📝 https://t.co/2AVCJMCmYC
こぼり（7/12 み�... @simesimesiosaba
16K Followers 169 Following 創作漫画「筋肉農家 夏井さん」投稿垢です🌾 筋骨隆々な米農家夏井さんと彼を取り巻くキャラを 趣味で描いています。 たまにその他創作やお仕事の情報もポストします💪
Jiantao Li @CurseRed
2K Followers 399 Following Security Researcher @starlabs_sg , playing CTF with @r3kapig
Jun Kokatsu @shhnjk
6K Followers 123 Following Hacking the Web, Browsers, and Agents. Opinions are my own.
Insomni'hack @1ns0mn1h4ck
9K Followers 40 Following Security conference and hacking contest founded and organized by @orangecyberch since 2008 in Lausanne, Switzerland. CFW is now LIVE!You might like
