Application Security practitioner focused on earned outcomes over inflated claims. I specialize in web application security, vulnerability discovery, and adversarial testing, with hands-on experience finding real-world vulnerabilities in enterprise systems.

Who is Yousuf ?

is an Application Security practitioner specializing in web application security and vulnerability research. Known in hacker circles as zerotrace00, he has identified 20+ validated vulnerabilities across enterprise applications, including SSO and AI platforms.
Active in HackTheBox, CTFs, and security labs, he ranked Top 48 globally in HTB CTF 2025 (18.5K participants) and earned Hall of Fame recognition through a vulnerability disclosure program.




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Your Questions Answered
Find the answers to our most common questions here, but if you still need help, feel free to contact me.
Are you open to contributing in a project?
Absolutely! I'm always eager to collaborate on innovative and meaningful projects—especially in DevOps, cybersecurity, or related areas. If you have something in mind, feel free to reach out and let’s discuss how I can contribute.
Can I join you for any hackathon, competition, or events?
What are your key strengths and areas of expertise?
Showcase
View my Works & Accomplishments
Skills & Experience
Application Security
Bug Bounty Hunter
OWASP Top 10
BurpSuite
HackTheBox
Red Teaming
SAST/DAST
TryHackMe
Penetration tester
WebApp Security







