Sayooj B Kumar @_1nt3rc3pt0r_
Senior Security Engineer at @CRED_club | CTF'ing @teambi0s sayoojbkumar.in Bengaluru, India Joined November 2015-
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Meet Our Speaker! We would love to Introduce, Rahul Sunder, Security Engineer at CRED, joining us at BSides Kerala 2025! 🗓8-9 February 📍Marriott Kochi Hotel, Edappally, Kerala Map: lnkd.in/gJZKNfeX Register now: bsideskerala.in #BSidesKerala2025 #SecurityBSides
Yay, I was awarded a $10,000 bounty on @Hacker0x01 ! Reported a critical RCE on adobe coldfusion (CVE-2024-41874) 🥳📷 together with @MrHritik @a0xnirudh you can read the advisory @ helpx.adobe.com/security/produ… #togetherwehitharder #BugBounty
Okay one challenge ended up with 0 solves. Here is the writeup for both of my challenges from bi0sCTF 2024. blog.bi0s.in/2024/03/06/Web…
Okay one challenge ended up with 0 solves. Here is the writeup for both of my challenges from bi0sCTF 2024. blog.bi0s.in/2024/03/06/Web…
#bi0sctf 2024 has officially started!! Play at ctf.bi0s.in #ctf #CyberSecurity
Exciting news! Registration for bi0sCTF 2024 is officially OPEN! Join us in the ultimate cyber battleground. Don't miss out on the action, sign up now at ctf.bi0s.in #bi0sctf #CTF #CyberSecurity
Our DFIR team won first prize in The International Digital Forensics Challenge (DFC) 2023, organized by @KIISC_DFR @Azr43lKn1ght , @5h4rrK , @sp3p3x and @j0hith were invited to present at the DFRF ceremony in Seoul, South Korea. Thank you @KIISC_DFR for this opportunity.
My first blog post! It's about CVE-2023-4369, a $10,000 bug I found in ChromeOS in July. The bug used a chrome:// URL XSS to allow Chrome extensions to execute privileged code and read/edit downloaded files without user interaction. 👀 0x44.xyz/blog/cve-2023-…
Here is my #writeup for the web challenge - päääd from Hack.lu #CTF 2023 organized by @fluxfingers . Thank you for the amazing challenge @kunte_ctf. Had fun solving it with @teambi0s. blog.bi0s.in/2023/10/16/Web…
====================== ⚡ SSRF Vulnerability through Connection test feature 👨🏻💻 @_1nt3rc3pt0r_ ➟ Internet Bug Bounty 🟧 Medium 💰 $2,550 🔗 hackerone.com/reports/2123113 ====================== #bugbounty #bugbountytips #cybersecurity #infosec
Discovered an SSRF Vulnerability in Apache Airflow Kindly upgrade to version 2.7.0 or greater #BugBounty #Security
Discovered an SSRF Vulnerability in Apache Airflow Kindly upgrade to version 2.7.0 or greater #BugBounty #Security
Join me & @__c3rb3ru5__ at @_c0c0n_ for the training "Fortify APIs: Mastering Penetration Testing for Robust Application Security" 🗓️ Date: 4-5 Oct, 2023 📍 Location: Grand Hyatt, Kochi 📚 Register: bit.ly/c0c0n-23-api #APIsecurity #PenetrationTesting #AppSec #c0c0n2023
Join me & @__c3rb3ru5__ at @_c0c0n_ for the training "Fortify APIs: Mastering Penetration Testing for Robust Application Security" 🗓️ Date: 4-5 Oct, 2023 📍 Location: Grand Hyatt, Kochi 📚 Register: bit.ly/c0c0n-23-api #APIsecurity #PenetrationTesting #AppSec #c0c0n2023
🚨I discovered an HTTP Request Smuggling issue affecting all versions of @nodejs. The #vulnerability was patched, and has been assigned CVE-2023-30589. Glad to see that my efforts are making a real-world impact. 😇 hackerone.com/reports/2001873 #BugBounty #Security
📢 Speaker Announcement 📢 Join us on 8th June 2023 as 'Ayush Priya' shares insights on 'Mitigating SSRF at scale the right way with IMDS!' 🚀 Use "20BSIDESBANGALORE0X1" to claim a 20% discount! 🎟️ ® Registration lnkd.in/d8RTkTeG 🎓Trainings - lnkd.in/dAnrKnkg
bi0sCTF 2022 is officially over! Congrats to the winners: 🥇@thehackerscrew1 🥈@idekCTF 🥉SKSD We hope you enjoyed the challenges, and hope to see everyone again later this year for bi0sCTF 2023! Please do leave your feedback at ctftime.org/event/1714/wei…. #ctf #bi0sctf
4 hours into the CTF, and we have 171 teams on the scoreboard! Want to reverse encrypted malware, or pwn the Linux Kernel and Safari Browser? We still have first bloods up for grabs, and prizes to play for! Hurry up and grab your flags @ ctf.bi0s.in
Looking back on 2022, it's time to reflect on another year of overcoming obstacles and achieving great things in the field of cybersecurity by team bi0s and its members Check out our Year in Review blog post blog.bi0s.in/2023/01/12/Mis… #cybersecurity #ctf

Vivek N J @__v3ct0r__
160 Followers 346 Following Lead Security Engineer @traboda | CTF Player @teambi0s | love maths and puzzles
Deb Martin @DebMartin163101
2 Followers 176 Following Recruiting webshell eng ineers to penetrate websites, with a monthly salary of up to $100,000. If i nterested, please contact https://t.co/Kz5ejE4enG
Rohit (@[email protected]... @s4dr0t1
177 Followers 2K Following security engineer | metalhead | otaku | perpetually curious | resident @CRED_club
VickyGresham @cNhTf1jItq9E1p8
62 Followers 1K Following
Adithya Nair @Adithya78886945
35 Followers 286 Following Btech 3rd year, CS noobi, Amrita, Amritapuri #mavelikaradaa
Yaswanth @01dev_yash
15 Followers 224 Following
Caner @Caner92068822
5 Followers 50 Following
Tanish Anand @TanishAnan66928
0 Followers 71 Following
Aravindh @Exigent07
31 Followers 142 Following Web Exploitation | CTF Player Blog: https://t.co/FBHRfvDu5D
Clo @QUANTIQUE76
2K Followers 8K Following Photographer. Pas antivax ! Informations de gauche à droite et centre .....Un impératif pour voir l'économie et la politique sous tous les angles.
Seven @Seven6879356414
83 Followers 4K Following
Nam Pham @FazeCT1512
357 Followers 349 Following GCC'24, 25 | Reverser/CTF player @BKISC Flare-On 11 finisher.
vishastra @vishastra12
516 Followers 2K Following 🌐 Cybersecurity Enthusiast | 📚 Aspiring Cybersecurity Analyst | 🛡️ Ethical Hacker | 💻 Penetration Tester | 🎮 CTF Player | 🚀
soaphorn seuo @soaphornseuo
3K Followers 7K Following
Sham @Sham1023828
75 Followers 3K Following
Akshit Singh @akshit_it4ch1
103 Followers 502 Following Reverse engineer and Malware Analyst, CTF-Player @InfoSecIITR, Security engineer@Talsec
Grog @GrogTheTurtle
2K Followers 5K Following AI Art / Turtle Related News / Aliens / Nature / Cryptocurrency
AVIJITH亗 @AVIJITH1364667
0 Followers 12 Following
Sahil Jain @whoami730
41 Followers 181 Following
B4tMite @B4tMite
2 Followers 61 Following Undergrad Student | CTF Player | On a doomed quest to learn everything
Ngoc Trần @NgocTrn88192890
17 Followers 440 Following
غازي🇵🇸 @abd0ghazy
2K Followers 1K Following Muslim web security artist👨🎨 ACU🇨🇦 Graduated, Developing and breaking codes since 2020&Captin of @0xL4ugh and flagger @idekCTF. 💻 🇪🇬🇴🇲🇸🇦🇹🇭🇯🇴
Cheroben alvin @CherobenAlvin
1K Followers 8K Following Founder @ke_bug_bounty | Bug bounty hunter| CTO Metanet | https://t.co/ZHctemLvwu
deathflash ⚡️ @deathflash1411
372 Followers 156 Following Building boxes, hunting bugs & earning bounties Pentester @cobalt_io | Maintainer @ExploitDB | Meetup Host @hackthebox_eu Ex: @offsectraining & @ThinkstCanary
Bob Tom @BobTom212975
16 Followers 254 Following
charan @0xcharan
2K Followers 385 Following @Hacker0x01 Brand Ambassador | Bug Bounty Hunter | Penetration Tester
rv @rvikrant09
458 Followers 5K Following An Avid Explorer. 😺Meta, Microsoft, Google🔗 Photographer, 17 Photography Exhibitions - https://t.co/jfoCUm92Ef
Het Mehta @hetmehtaa
36K Followers 1K Following Security Analyst | Content Creator | I Spread Cybersecurity News & Talk about AI, Cloud, Tech, Tools & Recent Updates
Abhishek Kandi @msterchief88
9 Followers 481 Following
metadev ᵍᵐ (🫡,... @poyimone
652 Followers 2K Following I can stay retarded longer than you can stay sane DM's open
Aditi Shinde @aditi_shinde_
2K Followers 911 Following software developer | building @X_86devs | https://t.co/IzFbk2c38W | hobbyist photographer @aadi_jpg
Brahamdeep Singh @Brahamdeep_1
36 Followers 358 Following
Sergey Toshin @_bagipro
7K Followers 186 Following Ranked as the #1 security researcher for Google Play Security Rewards Program. The founder of @OversecuredInc Android and iOS vulnerability scanners
Elon Musk @elonmusk
225.4M Followers 1K Following
ProjectDiscovery @pdiscoveryio
37K Followers 125 Following Detect real, exploitable vulnerabilities. Harness the power of Nuclei for fast and accurate findings without false positives.
Shreeda Bhat @bhat_shreeda
245 Followers 1K Following SRE at MPL, EX-Dukaan. Obsessed with Cloud, Linux and Private Cloud
Siddharth Mishra @brightprogramer
381 Followers 183 Following I'm an Engineer, by 🫀 A scientist by degree. A thinker by design.
Pagilla Manohar Reddy @manoharp2002
121 Followers 557 Following Threat Researcher @CloudSEK | Ex-Intern @Atlassian | CTF Player @teambi0s
Ar1fshaikh🇵🇸 @ar1fshaikh
82 Followers 596 Following Learner | Yellow Belt @pwncollege | appsec x Bug Bounty hunter | CTF - web , binaryExp
Gautham Krishnan @gaushn_
211 Followers 541 Following Playing around with Neural Networks and figuring stuff out with @amfoss_in at @AMRITAedu | GSoC'24 @deep_chem and currently working on Medical-AI
Hacktron AI @HacktronAI
2K Followers 6 Following Hacktron is an autonomous vulnerability hunter for ambitious engineering teams. Built by world-class security researchers. Powered by one principle: PoC || GTFO
Cam @SecretlyHidden1
2K Followers 230 Following Former full time bug bounty hunter - now doing security stuff at places :)
smaury @smaury92
4K Followers 2K Following Co-Founder @ShielderSec | Cliff Jumping Lover (23mt max so far) | ♫ I knew all the rules but the rules did not know me. ♫
/ˈziːf-kɒn/ @x33fcon
7K Followers 1 Following When Red meets Blue... The very first security conference for Purple Teams on the planet
AppSecEngineer @AppSecEngineer
5K Followers 208 Following Painless Application Security Training for Enterprises. Empower Your Teams. Build Secure Applications.
Assetnote @assetnote
10K Followers 0 Following Assetnote combines advanced reconnaissance and high-signal continuous security analysis to help enterprises gain insight and control of their evolving exposure.
DeepSeek @deepseek_ai
973K Followers 0 Following Unravel the mystery of AGI with curiosity. Answer the essential question with long-termism.
Electrovolt Security @ElectrovoltSec
1K Followers 20 Following Powering Web Security, Research and Audits ⚡️ partners with @cure53berlin | Hacktron AI Lab https://t.co/DEb1WbyO0r
n9h3ch0_2935 @nadhn011194
2K Followers 877 Following Bug bounty hunter with professional approach. Open to private program invitations at [email protected]
zh1x1an1221 @zh1x1an1221
922 Followers 298 Following Bug bounty hunter | 2024 Top 20 Chrome VRP Researcher|Web3 smart contract auditor | prev Ant Security Tianqiong Light-Year Lab
godiego @_godiego__
6K Followers 1K Following Security researcher and bug bounty hunter. https://t.co/ybndhjqZ5z | https://t.co/ALWTKTdgwc | https://t.co/Vv5K0oN4bQ | 🇪🇸
Nam Pham @FazeCT1512
357 Followers 349 Following GCC'24, 25 | Reverser/CTF player @BKISC Flare-On 11 finisher.
soaphorn seuo @soaphornseuo
3K Followers 7K Following
Arvind @0xdnivra
188 Followers 95 Following PhD student @ASU | Binary analysis, CTFs | @Shellphish | Formerly @teambi0s @amfoss_in | Tweets my own.
Simone Margaritelli @evilsocket
47K Followers 2K Following Music, cybersecurity, open source and AI • Author of bettercap, pwnagotchi, opensnitch, bleah, legba and a few other things.
crazyman @crazyman823886
1K Followers 1K Following CTFer / APT hunter / RedTeam / BlueTeam the member of @r3kapig the leader of @ShadowChasing1 CVE:CVE-2022-30190 pre account @CrazymanArmy
charan @0xcharan
2K Followers 385 Following @Hacker0x01 Brand Ambassador | Bug Bounty Hunter | Penetration Tester
غازي🇵🇸 @abd0ghazy
2K Followers 1K Following Muslim web security artist👨🎨 ACU🇨🇦 Graduated, Developing and breaking codes since 2020&Captin of @0xL4ugh and flagger @idekCTF. 💻 🇪🇬🇴🇲🇸🇦🇹🇭🇯🇴
InfoSec Community @InfoSecComm
52K Followers 636 Following Largest InfoSec publication with 62,000+ followers and 1M+ monthly views.
TheLiverDoc™ @theliverdr
313K Followers 844 Following Multi-award winning Hepatologist. Upcoming author (Harper Collins India). https://t.co/HGQLjyEYUb https://t.co/8lHqoHPoRN
sw33tLie @sw33tLie
10K Followers 909 Following Web application hacker, 25yo. Top 30 @ https://t.co/wX0yr85Tzk https://t.co/ZI7a8oJJcQ https://t.co/LGYK7tMOGo
Sanoop Thomas ⠵ @s4n7h0
2K Followers 2K Following Let the passion be your purpose. Hacker || Researcher || Photographer || Creator @Halcyon_IDE || Podcast host @InfoSecCampus || @BSidesSG Organizer
Pam O’Shea @pamoshea
3K Followers 5K Following Security consultant | @BlackHatEvents @BSidesCbr @BSidesSG @OWASPMelbourne Review Boards | @SDR_Melbourne | VK3HXX |@haXX_group | @sheasecurity🖖📚☕️
BSides Singapore @BSidesSG
1K Followers 195 Following Official Tweets from BSides Singapore Call for Organizers - https://t.co/rjwvwqClHZ
ch @chybeta
14K Followers 4K Following open to bug bounty collaboration @HackenProof Security Researcher Just dm https://t.co/VVU1OV5yz6 业余打土狗
Aditi Shinde @aditi_shinde_
2K Followers 911 Following software developer | building @X_86devs | https://t.co/IzFbk2c38W | hobbyist photographer @aadi_jpg
slonser @slonser_
4K Followers 163 Following Co-Founder @neploxaudit. CTF team @C4TBuTS4D Security Researcher at Solidlab.
Johan Carlsson @joaxcar
6K Followers 181 Following Father and full time bug hunter 🐞 currently on https://t.co/CMDtCLppy8
Anand Prakash @anandpraka_sh
11K Followers 1K Following Founder & CEO, @pingsafeai (Acquired by SentinelOne), Top ranked whitehat hacker on Twitter, Uber, LinkedIn, Meta
Ron Masas @RonMasas
1K Followers 217 Following trying to predict the next token to make you think i’m a security researcher.
Arti Singh @artijourno
13K Followers 1K Following Building the newsroom of record for fintech and emerging tech @theheadandtale I No filler. No spin. Just journalism that matters.
Binni Shah @binitamshah
141K Followers 165 Following Linux Evangelist, Malwares, Security enthusiast , Investor, Contrarian , Philanthropist , Reformist , Sigma female 🦋 https://t.co/WOvf41tMKV
Phith0n @phithon_xg
8K Followers 328 Following @ShopeeSG security team now, Chaitin Tech previously. Opinions are my own.
Madhav @madhav6ram
34 Followers 296 Following