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Youcef E
@youcefessen
Secure your business with elite offensive security testing
Algeria
Inglese, Arabo, Francese
Chi sono
I am a Penetration Tester and Security Engineer specializing in web applications, APIs, mobile apps (Android and iOS), cloud, and network security.
I perform manual testing to simulate real attackers and uncover vulnerabilities automated tools miss, including business logic flaws.
I have identified and reported vulnerabilities through real-world engagements and security research, helping organizations secure their systems.
I also focus on AI and LLM security risks such as prompt injection and data leakage.
Competenze
Youcef E
offline •
Tempo di risposta medio: 1 ora
Consulta i miei servizi
Programmazione e tecnologia
I will perform manual penetration testing for web apps and apis
Portfolio
Esperienza lavorativa
Independent Security Researcher
HackerOne • Lavoratore autonomo
Jan 2022 - Present • 4 yrs 4 mos
Discovered and responsibly disclosed critical vulnerabilities for Fortune 500 companies including Dell, SentinelOne, Zoho, and Acronis. Specialized in manual exploitation of high-severity flaws (SQLi, XSS, RCE).
Cloud Security Engineer
Cyvex.io • Full time
Jun 2025 - Dec 2025 • 6 mos
Architected security frameworks for 150+ AWS services and Kubernetes clusters. Engineered automated detection for misconfigurations and implemented compliance checks for SOC 2 and ISO 27001.
Cybersecurity Consultant
Ooredoo • Full time
Dec 2023 - Jun 2025 • 1 yr 6 mos
Executed end-to-end penetration testing for enterprise web applications, APIs, and mobile apps (Android/iOS). Performed security assessments following OWASP methodology and delivered detailed risk reports.
