Khanh Duy
Khanh Duy

Penetration Tester

Open to offers · Member since 22 Sep 2026
Location
Hanoi, Vietnam
Desired salary
Unspecified
Work preference
Remote Only / Internship
Experience level
Junior

About

Professional summary

I am a cybersecurity student and aspiring Penetration Tester focused on Web, Mobile, and API security. I am building my career through practical security testing experience in banking, payment, and web application environments.

I have experience in threat modeling, security test case design, manual and automated penetration testing, vulnerability discovery, exploitation, retesting, proof-of-concept development, and security reporting. I am familiar with documenting findings using CWE, CVSS, remediation recommendations, and PoCs.

At VNPAY, I work as a Pentest Intern supporting security assessments for web, mobile, and API systems in the banking and payment domain. I have also contributed to developing a DAST tool for automated security testing.

Previously, I completed a web application penetration testing internship at the Vietnam National Cyber Security Center. There, I practiced Python challenges, built and tested a PHP web application, and used PortSwigger Web Security Academy to strengthen my web security knowledge.

I hold the eWPT Web Application Penetration Tester certification and am pursuing a Bachelor's degree in Cybersecurity at Thuy Loi University. I am motivated to continuously improve my technical penetration testing skills and contribute to application security teams.

Skills

9 capabilities

Experience

Career history

Pentest Intern Vietnam Payment Solution Joint Stock Company (VNPAY)

Worked on web, mobile, and API penetration testing for banking and payment systems. Built threat models and security test cases, and performed manual and automated security testing.

Identified, exploited, and retested security vulnerabilities. Prepared penetration testing reports containing CWE, CVSS, proof-of-concept details, and remediation recommendations, and developed a DAST tool for automated security testing.

Pentest Intern (Web Applications) Vietnam National Cyber Security Center (NCSC)

Completed approximately 80% of easy and medium Python challenges as part of technical practice. Built and tested a PHP web application with login, registration, search, and CRUD functionality.

Used PortSwigger Web Security Academy to practice web application security testing and strengthen penetration testing knowledge.

Education

Learning history

Thuy Loi University

Bachelor's Degree, Cybersecurity

Bachelor's Degree in Cybersecurity. Graduation result: Good.

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