subadevanc

security researcher

[subadevanc @SubadevanC]

@0xSalm0n Thanks

[subadevanc @SubadevanC]

Got my first VDP swag/gift today!

Reported multiple web security issues involving authentication, session management, client-side security, and security misconfigurations through a Vulnerability Disclosure Program.

#CyberSecurity #VDP #ResponsibleDisclosure #BugBounty

[subadevanc @SubadevanC]

@luckyhacker43 😲

[subadevanc @SubadevanC]

@0xr0h4n @UNESCO Thanks

[subadevanc @SubadevanC]

Proud to join the @UNESCO

Hall of Fame Reported a Configuration File Exposure vulnerability on UNESCO resources. Grateful for the recognition!

https://t.co/JncVgq9d7d

#BugBounty #CyberSecurity #Vulnerability #HallOfFame

[Jerusalem College of Engineering, Chennai @jerusalem_chn]

🏆 Proud Achievement for the Department of Cyber Security! 🔐✨

Heartfelt congratulations to Team FLAGGERS UNITED – Subadevan C, Rohan S, and Thiruselvam D #jce_student_council_official
#tagore_engg
#JerusalemCollegeofEngineering
#JCE
#college
#learning
#students
#engineer

[Jerusalem College of Engineering, Chennai @jerusalem_chn]

🔐 Department of Cyber Security – Proud Achievement 🏆
outstanding participation and achievement in the Where The Flag 3.0 – Capture The Flag (CTF) competition conducted at SRM University.

#jce_student_council_official
#tagore_engg
#JerusalemCollegeofEngineering
#JCE
#college

[subadevanc @SubadevanC]

@VolkmarKrn46265 Thanks man

[subadevanc @SubadevanC]

First bounty: ✅ $250
First duplicate: ✅ CVSS 9.8 Critical

One rewarded my work. The other reminded me that timing matters just as much as finding the bug.
Onward to the next report 🚀
#BugBounty #CyberSecurity #BugHunter #HackerOne #AppSec

[subadevanc @SubadevanC]

@hackdartstorm Thank you! Honestly, since this is my first bounty, I'm not qualified to give you a full roadmap. It's best to look for guidance from experienced personalities. However, I’m happy to chat and share the basic concepts and tools that helped me get started!

[subadevanc @SubadevanC]

@Xch_eater Thanks buddy

[subadevanc @SubadevanC]

@Waterbottle792 First N/A 2 duplicate 1 valid

[subadevanc @SubadevanC]

@whithat444 Kind of information disclosure

[subadevanc @SubadevanC]

@sathya_cierto @Hacker0x01 @Sony Use portswigger academy to learn from there what is sink and source
And others stuffs

Choose a target fetch all js file. you can see source and sink there

Then Use appropriate payload. Then you got an alert

[subadevanc @SubadevanC]

First valid report on HackerOne 🎯
Found a DOM XSS, got my first thanks On @Hacker0x01 + swag from @Sony 🔥
Small milestone, big motivation.
More hunting ahead 🚀

#BugBounty #HackerOne #AppSec

[subadevanc @SubadevanC]

Happy to share that I've been acknowledged by @jpmorgan for a responsible disclosure.

https://t.co/eu9QMjAy7E

#CyberSecurity #ResponsibleDisclosure #SecurityResearch #jpmorgon

[subadevanc @SubadevanC]

@NomadSec0 @Hacker0x01 @Sony Yeah... No one posted 2026 swag... Let's see @Sony will do something ASAP

[subadevanc @SubadevanC]

@GuttaMahen37671 @Hacker0x01 @Sony I will try to share ASAP