Full-Time Bug Bounty Hunter & Researcher

Known as busfactor in the security community.

馃 2nd place at Google bugSWAT Mexico 2025

馃 Best AI VRP Researcher at Google bugSWAT Mexico 2025

3 Months as a Full-Time Bug Bounty Hunter

My First 3 Months as a Full-Time Bug Bounty Hunter: A Journey of Highs and Lows

A few months ago, I made a huge decision that changed everything: I became a full-time bug bounty hunter. Three months later, I can鈥檛 help but feel this may have been one of the best decisions I鈥檝e ever made in my career. I feel compelled to share my thoughts and mindset here for two reasons: first, to keep this blog active, and second, to help and motivate others. The hardest part of writing this post is finding the right balance between what I feel safe sharing and what I believe will be valuable to my readers (see the Venn diagram below)....

October 8, 2025 路 9 min
Intigriti Challenge 0525

Beyond the Confetti: Hacking Intigriti Challenge 0525 with DOM Clobbering and a Single Slash

Introduction I was all set for a super productive day at my favorite coffee spot, buzzing with anticipation. My game plan was simple: Pomodoro sessions, knocking out tasks like a machine, and chasing that sweet dopamine hit of accomplishment. You know the vibe. Then, I made a classic mistake. I opened Discord and spotted Johan鈥檚 announcement: his new Intigriti challenge was launching in an hour. Now, if you鈥檙e familiar with Johan, you know he has a knack for finding incredible bugs....

May 16, 2025 路 15 min

Hacking High-Profile Bug Bounty Targets: Deep Dive into a Client-Side Chain

I鈥檝e always wanted to hack on one of those targets that top hackers were going after鈥攏ot just because they pay well, but because they usually have fair triaging and amazing scopes. But how? Finding bugs on private targets is already challenging enough鈥攏ow imagine a target that has the best eyes on it 24/7, constantly searching for new gadgets and vulnerabilities. The target had already been through multiple LHEs (Live Hacking Events), which made it even more intimidated....

February 26, 2025 路 12 min

Automating Client-Side Path Traversals Discovery

A few months ago, I returned to the bug bounty world and stumbled upon a gadget that caught my attention: Client-Side Path Traversals (CSPT). I might have been out of the loop because, despite its age (2007), I wasn鈥檛 familiar with it. In fact, I rarely focused on client-side bugs in the past, but shifting my attention to them has recently brought me some great bounties. After a conversation with Keith, he encouraged me to start sharing what I鈥檝e been working on....

October 3, 2024 路 8 min