Ky0toFu

My life is a juggling act: taming complex binaries, getting humbled by my guitar, and stopping my cat from eating the bugs I find.

[Ky0toFu @Ky0toFu]

Received some MSRC Quarterly Leaderboard swag from Microsoft. Thank you!

[Ky0toFu @Ky0toFu]

Grateful to MSRC for confirming bounty awards for three separate vulnerability reports in one batch, totaling US$65,000.

I appreciated the @msftsecresponse team's clear communication and guidance throughout the coordinated disclosure process.

[Ky0toFu @Ky0toFu]

Honored to be recognized on the MSRC 2026 Q1 Security Researcher Leaderboard.

Grateful to MSRC for the recognition and the invitation to its Security Researcher Celebration during Black Hat USA 2026.

#MSRC #BlackHat2026 #BugBounty #CyberSecurity #InfoSec

[Ky0toFu @Ky0toFu]

Just got a reward for a vulnerability submitted on @yeswehack -- Cryptographic Issues - Generic (CWE-310). #YesWeRHackers

[Ky0toFu @Ky0toFu]

Grateful to @msftsecresponse for the $15,000 bounty! Rewarded for an Important Elevation of Privilege (EoP) vulnerability report. The speed of their triage and bounty payout is truly astonishing. #BugBounty #InfoSec

[Ky0toFu @Ky0toFu]

Huge thanks to @msftsecresponse for the $10,000 bounty reward! This report was rated as Important (DoS). Looking forward to the patch!

#bugbounty #cybersecurity #MSRC

[Ky0toFu @Ky0toFu]

From Duplicate to $2,500 on @Hacker0x01. 📉📈
My report was initially closed as a duplicate, but later reopened after review confirmed there wasn’t an existing report with sufficient details and a reproducible PoC.
Thanks @RootstockLabs for the fair review!

[Ky0toFu @Ky0toFu]

Thanks @GoogleVRP! I just received a $2,000 Patch Rewards Program award for contributing a valid security patch to a Google OSS project.

[Ky0toFu @Ky0toFu]

Wow — today is a good day! 🎉 I received a $2,000 bounty from Cosmos on @Hacker0x01 for reporting an integer overflow. Big thanks to the Cosmos bug bounty team. The issue has been fixed.

[Ky0toFu @Ky0toFu]

CVE-2025-14523 is now public. Details: CVE record / Red Hat advisory 👇
https://t.co/hhkSkWP371
https://t.co/yqYQCXWql0

[Ky0toFu @Ky0toFu]

Just now, I am very honored to have won a €3,000 prize at YesWeHack

[Ky0toFu @Ky0toFu]

Wow! Just received a bounty from @basecamp on @Hacker0x01 , and get this – it only took them 4 hours from my report submission to fix and reward! 🤯 Seriously impressed by this speed. Huge thanks to their amazing team!

[Ky0toFu @Ky0toFu]

Honored to receive another $2,000 bug bounty from @mozilla on @Hacker0x01 for my security report 🎉
Once again, their response was incredibly fast and the team is technically outstanding — huge thanks to the Mozilla security team.

[Ky0toFu @Ky0toFu]

Just received a $5,000 bug bounty on @Hacker0x01 for a stack-based buffer overflow report 🎉
Big thanks to the Cosmos team for the super fast and professional response — the bug is now fixed.

[Ky0toFu @Ky0toFu]

I was rewarded $1,500 in bug bounty by Mozilla on HackerOne for submitting a high-quality vulnerability report! Thank you to the generous Mozilla team—this also proves the importance of high-quality reports!@Hacker0x01

[Ky0toFu @Ky0toFu]

I am extremely honored to have received a $2,900 bug bounty on the YesWeHack platform for discovering a high-severity vulnerability!

[Ky0toFu @Ky0toFu]

Just now, I am very honored to have won a €3,000 prize at YesWeHack

[Ky0toFu @Ky0toFu]

I am honored to receive a $5000 bounty on HackerOne. Thanks to the HackerOne team! @Hacker0x01

[Ky0toFu @Ky0toFu]

What a way to start! For my first tweet, I'm thrilled to announce a $3,150 bounty from @Shopify ! 🚀 Finding this bug was an amazing experience. Thank you to the Shopify security team and @Hacker0x01 for making it happen!

#bugbounty #bugbountylife #infosec #Hackingtime