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Karthikeyan
@x0karthi
Security Researcher
India
English, Tamil, Telugu
About me
Hi, I’m Karthikeyan, a Cybersecurity and VAPT professional with hands-on experience in Web, API, Mobile, Cloud, and Network Security. I specialize in vulnerability assessment, penetration testing, security validation, retesting, and professional reporting. My focus includes OWASP Top 10, authentication, authorization, IDOR/BOLA, business logic, misconfigurations, and security weaknesses. I only perform authorized security testing.
Skills
Karthikeyan
Offline •
See my services
Programming & Tech
I will provide professional penetration testing
Work experience
Security Researcher
Self-Employed / Freelancer • Self-employed
Dec 2023 - Present • 2 yrs 10 mos
Independent Cybersecurity Researcher with hands-on experience in Web, API, Mobile, Cloud, and Network Security testing. Experienced in vulnerability assessment, penetration testing, security validation, retesting, and professional vulnerability reporting. Achievements include identifying and responsibly reporting valid security vulnerabilities through authorized security and bug bounty programs, including authentication, authorization, IDOR/BOLA, business logic, security misconfiguration, and OWASP Top 10 issues.
