furkan özkancontact@furkansec.com

Furkan Özkan

I am a security researcher and bug bounty hunter based in Istanbul. I focus on authentication, authorization and business logic flaws across web applications and APIs. Cleared Hacker on HackerOne.

Work

2026

Brand Ambassador at HackerOne

Representing HackerOne across Türkiye's security community and growing the local bug bounty and ethical hacking network.

2025

Application Security Engineer, Intern at VakıfBank

Security assessments of internal web applications and APIs, finding access control misconfigurations and dependency risks, with written audits and remediation plans.

2023 to now

Security Researcher, Freelance at HackerOne

Cleared Hacker since 2024. Web, API and authentication flow research aligned with OWASP, delivered with reproducible proofs of concept and impact analysis.

2022 to 2023

Bug Operations Analyst, Contract at Discord

Triage and reproducibility review for Discord's Testers community across desktop, mobile and web, escalating critical regressions to engineering.

Education

2026

B.Sc. Computer Engineering at Koç University

Expected 2026. Coursework in software engineering, operating systems, algorithms and cyber security.

Thanks received

HackerOne
Discord
Acronis
Spotify
Klarna
GitLab
Shopify
M&T Bank
Trendyol

and more private programs I cannot disclose.