Q5Ca @_q5ca
Chief Remote Work Officer at @u0Kplusplus duongq5ca.substack.com Vietnam Joined November 2017-
Tweets238
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Ước 🥹
Just a quick reminder: Copilot on microsoft365.com (m365.cloud.microsoft/chat) is not on scope for bounty 🥲 duongq5ca.substack.com/p/another-micr…
Nice play. #Pwn2Own #Xiaomi13Pro
* People ask LLMs to write code * LLMs recommend imports that don't actually exist * Attackers work out what these imports' names are, and create & upload them with malicious payloads * People using LLM-written code then auto-add malware themselves vulcan.io/blog/ai-halluc…
@peckshieldAlert @peckshield @SlowMist_Team @BlockSecTeam @cz_binance and @0xblvck_ pointed out the exploit block 26864890 has only one transaction. We need some explanation from @ankr ?
Success! dungdm (@_piers2) of Team Viettel (@vcslab) used an uninitialized variable and a UAF bug to exploit Oracle VirtualBox. They earn $40,000 and 4 Master of Pwn points. #Pwn2Own #P2OVancouver
Success! @hoangnx99, @rskvp93, and @_q5ca from Team Viettel (@vcslab) used a 2-bug chain in their attempt against Microsoft Teams. They earn $75,000 and 8 Master of Pwn points.
Success! @testanull of @starlabs_sg was able to execute a 2-bug chain on Microsoft SharePoint. They earn $100,000 and 10 Master of Pwn points. #Pwn2Own #P2OVancouver
Now we are back with 2 entries. Come on! zerodayinitiative.com/blog/2023/3/21…
Good works 👍 @BlockSecTeam successfully blocked an attack to rescue 2,906 ETH. etherscan.io/tx/0xe3f0d14cf… Then the attacker left a message: etherscan.io/tx/0x8eb65ef10…
Good works 👍 @BlockSecTeam successfully blocked an attack to rescue 2,906 ETH. etherscan.io/tx/0xe3f0d14cf… Then the attacker left a message: etherscan.io/tx/0x8eb65ef10… https://t.co/7ZZkZmlIFu
Oracle EBS Unauth RCE #CVE-2022-21587 analysis from our researchers @vudq16 @_q5ca @hoangnx99 blog.viettelcybersecurity.com/cve-2022-21587…
This might be the best compilation of critical issues/exploits from 2022, with explanations. If you want to do good as an auditor make sure you understand how those attacks work. Thanks @patrickd_de this is golden🫡 ventral.digital/posts/2022/12/…
Hi folks, So, anyone has any idea how to make direct contact with the CTFTime team (maybe they’re on holiday) ? Our TetCTF2023 will start in the next 9-10 days but the CTF event is still not listed on CTFTime :'(. (1/2)

Tuan Anh Nguyen⚡️... @haxor31337
15K Followers 2K Following 29 y/o Bug Bounty Hunter and Red Teamer at Viettel Cyber Security. Brand Ambassador @Hacker0x01 - Researcher Spotlight @Bugcrowd
Pham Khanh @rskvp93
2K Followers 339 Following Security Engineer at @calif_io. Winner of Pwn2own Vancouver 2021, Torento 2022, Vancouver 2023. MSRC top 100 2019, 2020, 2021.
shubs @infosec_au
56K Followers 2K Following Co-founder, security researcher. Building an attack surface management platform, @assetnote
Nguyen Xuan Hoang @hoangnx99
688 Followers 128 Following Security Researcher at @vcslab Chief Finance Officer of @u0Kplusplus
VCSLab @vcslab
3K Followers 27 Following This is the Twitter channel of VCSLab - the research team of Viettel Cyber Security
Nguyen The Duc @ducnt_
3K Followers 383 Following Just another web warrior ⚔️ Security Researcher ۞ Principal Security Engineer @Verichains ۞ Pwn2Own 2023 ۞@vnsec squad ۞ 💰https://t.co/wuyz6IfAbA ۞ nano 💻
Hussein Daher @HusseiN98D
49K Followers 197 Following Entrepreneur, Hacker 🇱🇧🇨🇮 @WebImmunify 21th/270000 BugCrowd Hacking Platform
frycos @frycos
4K Followers 518 Following Private account! Red teamer @codewhitesec. @[email protected] @frycos.bsky.social
LamScun @LamScun
2K Followers 806 Following Researcher of mobile and web security issues. It's safer in the forest than on the internet.
huyna @huyna89
743 Followers 949 Following
thAI Duong @XorNinja
4K Followers 507 Following Chief at @calif_io | ex-Google | I'm hiring https://t.co/6EjxrXJGEi
Khoa Dinh @_l0gg
2K Followers 119 Following
SinSinology @SinSinology
13K Followers 674 Following Pwn2Own 20{22,23,24,24.5,25,25.5}, i look for 0-Days but i find N-Days & i chase oranges 🍊
gIA Bui @yabeow
404 Followers 343 Following Hacker @ https://t.co/SWjSiEaOeG | My opinions are my own
Swuicaw @Swuicaw123
35 Followers 1K Following
GAMALIEL SANKAY TSHIS... @SankayMarc22830
155 Followers 4K Following
Hoang Tien Thanh @htthanh02
2 Followers 172 Following
Nahla @4r97sO8CbbY44
17 Followers 859 Following
Jus @Jus251129088141
7 Followers 278 Following
Two Seven One Three @TwoSevenOneT
2K Followers 1K Following Chief Security Officer (CSO) || Security Researcher at https://t.co/YsorB5YEAu || Penetration Tester || Red Teamer || Social Engineering Awareness Trainer
Nigel Goldner @NigelGoldn54338
28 Followers 2K Following
Mohammed Hr0x 🇲�... @medhr25
18 Followers 902 Following
Ha @Ha84826416
155 Followers 5K Following
Hoàng Cường @hoangcuongflp
245 Followers 3K Following @Security Research, Malware Analysis, Reverse Enginnering.
Nsk @nsk_offl_
347 Followers 4K Following Director🎬& Lyricist of Kattravai Katrapin & Onedaykadhalan CyberSecurity Analyst,Travel freak, Ardent Suriya ❤ Jo,Maddy🤩,VJS😍 Fan,CR7MSD Fan🤟,Maduraikaran😎
Hugow @hugow_vincent
913 Followers 975 Following Red Team and research @synacktiv @rustyphasm.bsky.social
Do_quang_phu @Doquangphu4
10 Followers 327 Following
Balkrishna Jadhav @hacker3j
822 Followers 8K Following AVP - Threat Hunting @ Kotak Mahindra Bank| Senior Threat Intelligence|Forensicator|MindHunter| Innovator|Malwarologist|Espionage||Inventor
Shubham Singh @Sin85879Singh
4 Followers 327 Following
Shinobyx @crypticrebel337
23 Followers 1K Following Bug bounty hunter who is a bit inactive on social media, so don't expect too much from me here...
vinaykumar 卐 🇮�... @Xplo8E
937 Followers 516 Following Security Research Associate | Mobile app security, reversing | pkmkb
0xFatalError @0xFatalError
120 Followers 3K Following #btc #eth #sol maximalist | OG Holder since 2012 | From nothing I rise & shine ✨
Fat @fattselimi
16K Followers 9K Following Chasing Positive vibes only & Ethical Hacking for fun and profit🧑🍳
Hoa Lê Ngọc @Le_Ngoc_Hoa
7 Followers 201 Following
Viet Anh Trinh @anhtvie
10 Followers 82 Following
b1nary_gl1tch @b1nary_gl1tch
184 Followers 308 Following #OSCP #OSWE #PenetrationTester #ThreatResearcher
Hussein Al-Saeedie @Mandexz3
43 Followers 1K Following Security researcher specialized cyber security
. @say_menn
122 Followers 223 Following
🛌🏻 @madeaters
0 Followers 206 Following
joker community @itachi_hayi
0 Followers 11 Following
Bastos @JB_Bastos_
106 Followers 1K Following
teio @teio1515599
7 Followers 1K Following
Abdel Hafid Ait Chikh @HafidAitChikh
782 Followers 3K Following h1 : https://t.co/PFrpt8XVJh Fb : https://t.co/4VPgJuI82l
Ojaswi Kumar Mishra�... @0xojaxwi
74 Followers 2K Following Old-school Malware & Offensive Security REsearcher | ⚡Kernel Pwner⚡
f1rst - the potato @ftpotato17
21 Followers 49 Following
Shinoku @Shinoku14
0 Followers 72 Following
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.
Tuan Anh Nguyen⚡️... @haxor31337
15K Followers 2K Following 29 y/o Bug Bounty Hunter and Red Teamer at Viettel Cyber Security. Brand Ambassador @Hacker0x01 - Researcher Spotlight @Bugcrowd
Pham Khanh @rskvp93
2K Followers 339 Following Security Engineer at @calif_io. Winner of Pwn2own Vancouver 2021, Torento 2022, Vancouver 2023. MSRC top 100 2019, 2020, 2021.
shubs @infosec_au
56K Followers 2K Following Co-founder, security researcher. Building an attack surface management platform, @assetnote
pyn3rd @pyn3rd
13K Followers 605 Following Security Researcher&Red Team&Cloud Security. BlackHat&HITB&CanSecWest Speaker.
Nguyen Xuan Hoang @hoangnx99
688 Followers 128 Following Security Researcher at @vcslab Chief Finance Officer of @u0Kplusplus
VCSLab @vcslab
3K Followers 27 Following This is the Twitter channel of VCSLab - the research team of Viettel Cyber Security
Nguyen The Duc @ducnt_
3K Followers 383 Following Just another web warrior ⚔️ Security Researcher ۞ Principal Security Engineer @Verichains ۞ Pwn2Own 2023 ۞@vnsec squad ۞ 💰https://t.co/wuyz6IfAbA ۞ nano 💻
Sam Curry @samwcyo
97K Followers 1K Following Hacker, bug bounty hunter. Run a blog to better explain web application security.
Hussein Daher @HusseiN98D
49K Followers 197 Following Entrepreneur, Hacker 🇱🇧🇨🇮 @WebImmunify 21th/270000 BugCrowd Hacking Platform
frycos @frycos
4K Followers 518 Following Private account! Red teamer @codewhitesec. @[email protected] @frycos.bsky.social
Source Incite @sourceincite
3K Followers 4 Following We are Incite Team. Providing high quality Vulnerability Research & Training Services.
Horizon3 Attack Team @Horizon3Attack
12K Followers 56 Following @Horizon3ai Attack Team | Security Research | Exploit Dev | TTPs
Sonar Research @Sonar_Research
11K Followers 7 Following Cutting-edge security research by @SonarSource to educate the world about code security across all software. We're also at @[email protected] 🦣
Mikhail Klyuchnikov @m1ke_n1
5K Followers 148 Following n1 | Security Researcher at Positive Technologies | OSCP, eWPTX
Positive Technologies... @PTsecurity_EN
3K Followers 872 Following Embrace any digitalization challenge—we'll secure your cyber-resilience
0patch @0patch
8K Followers 225 Following Microscopic cures for big security holes. 0patch (pronounced 'zero patch') Bluesky: https://t.co/js7yaM3lqN Mastodon: @[email protected]
Dirk-jan @_dirkjan
28K Followers 206 Following Hacker at @OutsiderSec. Researches AD and Azure (AD) security. Likes to play around with Python and write tools that make work easier.
H1 Disclosed - Public... @h1Disclosed
10K Followers 1 Following User friendly unofficial HackerOne public disclosures, keeps you updated about the recently disclosed bugs. Made With ♥ By Hackers For Hackers. - @rohsec
Tiểu Phương 🇻�... @tiuphun
3 Followers 19 Following
Akai 🇻🇳 @KMA_Akai
404 Followers 772 Following
Stephen Fewer @stephenfewer
9K Followers 245 Following Senior Principal Security Researcher @rapid7. Decompiler @relyze. Core @metasploit dev 2009 - 2013. MSRC Top 100 2015. Pwn2Own 2011, 2021, 2024.
Tur.js @Tur24Tur
4K Followers 1K Following Application security fan, dedicated to writing custom security tools. @NoBugEscapes @BugBountyZip JavaScript - ExpressJS ♥️💛 https://t.co/bltifT1jkQ
Debangshu 🇮🇳�... @ThisIsDK999
7K Followers 998 Following Security Ninja/Thought Leader. @hacker0x01 Brand Ambassador. Top 200 | Hacker Advisory Board @bugcrowd. Captain @Str4awHats 🥷. Opinions are personal.
Bhavuk Jain @bhavukjain1
14K Followers 618 Following Trying to make internet a safer place for everyone. Pentest Lead @Hacker0x01. Providing penetration testing services @ https://t.co/eTR0t81zbu
BlueEye @BlueEye46572843
672 Followers 850 Following Reverse engineer & malware researcher @FitsecLtd . Interested in #APT research and targeted #malware
Ebrahem Hegazy 🇵�... @Zigoo0
33K Followers 920 Following Founder of @DarkEntryAMS. Vulnerabilities Hunter since 2013. ex Sr. Manager at Visa Inc, HackerOne, Deloitte, QCERT and EGCERT. Tweets are my own.
s1r1us @S1r1u5_
11K Followers 2K Following aham nityaṃ śiṣyaḥ, jagat mama guruḥ. {~hacker~} {founder @ElectrovoltSec, @HacktronAI}
Brian Gorenc @MaliciousInput
3K Followers 495 Following Leader of the Zero Day Initiative. Pwn2Own organizer and adjudicator. Trafficker of export-controlled intrusion software. Bug Hunter.
Godfather Orwa 🇯�... @GodfatherOrwa
24K Followers 2K Following Hacker | Bug Hunter | Cooker | Top 5 P1 Warrior On https://t.co/dzFQH75OWj | LevelUpX Champion | 10+ 0Days/CVEs
Roy🇨🇦 @GrandpaRoy2
34K Followers 1K Following 🇨🇦 🇺🇦 Grandfather, OSINT of Ukrainian and Russian sources: FPVs, drone munitions, EW, landmines. ❤️my family (grandchildren!), reading, and Kaja Kallas.
Thach Nguyen Hoang �... @hi_im_d4rkn3ss
3K Followers 337 Following Security Researcher @starlabs_sg. Pwn2Own Mobile 2020, 2021, 2022, 2023. Pwn2Own Vancouver 2022, 2023, 2024, 2025.
Asuka🎀Redpanda @VoidAsuka
20K Followers 4K Following senior sde, junior ai research engineer. share something good/fun.
Maor Shwartz @malltos92
4K Followers 3K Following Help researchers, offensive cybersecurity companies and governments navigate the offensive cybersecurity industry
ElektroKill @elektrokilldev
340 Followers 18 Following 19-year-old self-taught developer (C#/Java) and reverse engineer. Developer of dnSpyEx.
exploits.club @exploitsclub
2K Followers 110 Following A VR, RE, and Exploit Dev weekly newsletter | Join the club Contact: [email protected]
Bùi Quang Hiếu �... @tykawaii98
698 Followers 631 Following MSRC MVR 2021 - Researcher @crowdfense - Tweets are my own
Microsoft Security @msftsecurity
349K Followers 325 Following We are prioritizing security above all else through our Secure Future Initiative (SFI). Explore SFI principles, pillars, and progress here ⬇️
Standoff Bug Bounty @StandoffBB
1K Followers 11 Following Welcome to Standoff Bug Bounty — where hackers and businesses join forces, and everyone wins. Start the hunt 👇
Zenity @zenitysec
833 Followers 48 Following Zenity is the first security and governance platform purpose-built for AI agents - spanning SaaS, Cloud, and Endpoint
Dmitry Serebryannikov @dsrbr
1K Followers 88 Following Chief Hacking Officer at Positive Technologies
Georgy K. @zucrypt
38 Followers 110 Following
Abdullah Nawaf (Hacke... @XHackerx007
8K Followers 414 Following Hackerx007 Bug hunter FB/Twitter/Mail.ru HOF 41 Bugcrowd rank 11 Bugcrowd P1 rank with 226 p1 :) In love with P1 ;)
nikhil(niks) @niksthehacker
10K Followers 1K Following @SynackRedTeam Legend | Lead Pentester @Cobalt_io | Founder @BSidesAhmedabad | Speaker @Blackhatmea @defcon | Board of Advisor @riskprofilerio
VictorV @vv474172261
3K Followers 165 Following Binary Sec😉VMware Escape at TFC 2018/21/23. Hyper-V Escape. Top3 of MSRC 23Q3/Q4/24Q1/Q3/Q4/Annual/25Q1/Annual. Watchlist for security news.
sagitz @sagitz_
5K Followers 826 Following Cloud Security Researcher at @wiz_io • Microsoft Most Valuable Researcher 21/22/23 • Black Hat Speaker
EXO Labs @exolabs
36K Followers 2 Following AI on any device. 12 Days of EXO: https://t.co/VMrJ6Vi4h3 We're hiring: https://t.co/BzEO8ZCvBV
Luke (datalocaltmp) @datalocaltmp
1K Followers 556 Following mobile reverse engineering, vulnerability research, using lldb
Microsoft BlueHat @MSFTBlueHat
5K Followers 203 Following BlueHat is where the security research community and @Microsoft security pros come together as peers, to connect, share and learn. Run by @MSFTSecResponse