PROFESSIONAL DOCUMENT

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ABDALLAH MAHMOUD HAFEZ

CYBERSECURITY INTERN | WEB APPLICATION & API SECURITY | BUG BOUNTY RESEARCH
Egypt · +20 106 808 1462 · abdallah2020y@gmail.com
LinkedIn · GitHub · Previous portfolio · VULNEX · Facebook

Professional Profile

Computer and Artificial Intelligence undergraduate at Sohag University focused on web application and API security. Independent bug bounty researcher with practical vulnerability research activity, particularly in Broken Access Control and authorization testing. Experienced in reconnaissance, manual HTTP/API analysis, vulnerability validation, impact assessment, and clear, reproducible reporting. Builds practical security and networking workflows using Python, Bash, Linux, and industry-standard testing utilities.

Research activity: 78+ vulnerability research cases, as a researcher-provided activity total. This figure is not an acceptance or bounty count.

Core Technical Competencies

Security Research & Practical Experience

Independent Bug Bounty Research | 2026 – Present

Test web applications and APIs within program scope, focusing on authentication and authorization controls, tenant isolation, access-control boundaries, endpoint behavior, and business logic. Validate findings, assess security impact, and submit reproducible vulnerability reports through program triage.

Security Testing Workflow | Reconnaissance to Reporting

Conduct passive and active asset discovery, endpoint enumeration, baseline request/response analysis, parameter testing, and manual verification. Apply scope checks and responsible disclosure practices throughout testing.

Selected Research Areas

Broken Access Control, IDOR, cross-tenant data isolation, authentication and authorization issues, SSRF, XSS, SQL Injection, CSRF, HTML Injection, information disclosure, and business logic weaknesses. Program names, target identities, and sensitive technical details remain confidential.

Selected Projects & Practical Labs

Automated Reconnaissance Workflow | Bash, Amass, Subfinder, httpx, waymore

Created a workflow for subdomain discovery, URL collection, filtering, deduplication, and asset organization. One authorized run produced 51 unique subdomains.

Hack The Box — Cap Lab (Team Project) | Nmap, Linux, Reconnaissance

Performed network scanning and reconnaissance, identified open ports and running services, and analyzed a security snapshot and URL structure in a guided practical team exercise.

Education

Sohag University | Computer and Artificial Intelligence
Undergraduate student. Relevant academic focus includes programming fundamentals, computer networks, databases, and cybersecurity practice.

Certifications & Technical Training

Internship Selections & Professional Opportunities

Practice Platforms

PortSwigger Web Security Academy | TryHackMe | Hack The Box | Authorized bug bounty programs

VULNEX / ABDALLAH MAHMOUD HAFEZ · PROFESSIONAL PROFILE