Tuncay Abulfatzada
Baku,Azerbaijan
Summary
Penetration Tester and Security Researcher with hands-on experience identifying and responsibly disclosing real-world web application vulnerabilities through bug bounty programs. Active on HackerOne, with a proven track record of discovering high and medium-severity security issues, including a high-severity vulnerability in Playtika. Recognized in the APNIC Hall of Fame for responsible vulnerability disclosure. Strong foundation in web application security, vulnerability assessment, and penetration testing, with continuous hands-on training through Hack The Box and PortSwigger Web Security Academy. Passionate about offensive security and committed to continuously expanding technical expertise in modern attack techniques and application security.
Overview
4
4
Languages
1
1
year of professional experience
Work history
Security Researcher - Bug Hunter
Hackerone
2026.01 - 2026.08
- Identified and reported high and medium severity vulnerabilities in real-world applications
- Discovered a high severity vulnerability in Playtika
- Recognized by APNIC Hall of Fame for responsible disclosure
- Actively participated in private bug bounty programs
- Performed vulnerability analysis and wrote detailed security reports
- Hackeone Profile Link: https://hackeone.com/silverxcyber
Skills
- Web Application Security - Advanced
- Tools & Technologies - Advanced
- Analytical Thinking - Expert
- Reporting Findings - Expert
- Code Review - Intermediate
- Mobile Application Security - Basic
- Active Directory - Basic
Languages
Azerbaijani - Native
Turkish - Native
Russian - Elementary
English - Intermediate
Timeline
Security Researcher - Bug Hunter
Hackerone
2026.01 - 2026.08