About Me

My name is Richard Hyunho Im (@richeeta). I’m an OSCP and CASP+ certified cybersecurity engineer by day and vulnerability researcher at night. I have a passion for offensive security, vulnerability research, and reverse engineering.

I have received multiple security acknowledgements from Apple (CVE-2024-44235, CVE-2025-24198, CVE-2025-24225), OpenAI, Google, Microsoft, and the BBC. As of May 2025, I am ranked in the Top 25 of OpenAI’s bug bounty program.

In this website, you can find my contact information, latest blog posts, and more about my work.