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Hazem B.HB

Hazem B.

Pentester Engineer - Penetration Testing - CEH, eJPT

€550/day
Paris, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Hazem

I am an offensive Cybersecurity expert: penetration testing, cybersecurity enthusiast. Also a bug bounty hunter, I have been recognized by Microsoft, Facebook, Intel.. etc for reporting security vulnerabilities.
My skills allow me to find a way to penetrate any computer system.

I have the following CVEs:
CVE-2024-50410: CVE-2022-26024: CVE-2021-33089:
  • French

    Native or bilingual

  • English

    Fluent

  • Arabic

    Native or bilingual

  • Spanish

    Conversational

Can work on-site
Paris (up to 50km)

Experience

  • DB&M PARTNERS
    Offensive Security Consultant - Confirmed
    DIGITAL AND IT
    February 2025 - Today (1 year and 4 months)
    Paris, France
    - Pentests of Web and Mobile applications
    - Vulnerability assessment and recommendations
    - Network, cloud, mobile, social engineering, etc. pentesting.
    - Writing audit reports
    - Presenting audits during restitution meetings
    - Pentest: Web application audits (OWASP), AD/infra tests, exploit writing (XSS, IDOR, SSRF, RCE), Burp plugins and automation scripts (Python/Bash), source code and configuration audit.
    Pentests of Websites, AI, and mobile applications.
    Mission management: planning from A to Z (kick-off, scope definition, milestones, SLA), leading meetings, preparing materials, follow-up until final delivery.
    - Fuzzing & Reverse: design of targeted fuzzers (image/stream analyzers), crash analysis (ASAN/UBSAN), DLL/binary reverse engineering (Ghidra, WinDbg) and development of non-destructive PoCs.
    - Achievements: - Compromise of an Active Directory with ~50k users (controlled environment); mapping, privesc, and pivot. - Bypass of business logic / filtering rules (WAF/ACL) demonstrating business impact.
    - Vulnerability assessment and recommendations.
    - Network, cloud, mobile, social engineering, etc. pentesting.
    PenTest Web Pentest Penetration Testing Pentester Cybersecurity
  • Itiviti
    Cybersecurity Analyst
    BANKING AND INSURANCE
    December 2021 - August 2023 (1 year and 8 months)
    Paris, France
    - Define security rules
    - SOC Analyst
    - Penetration testing - Pentester
    - Fix and patch vulnerabilities
    - Define security policy
    - Incident management
    Cybersecurity Investigation PenTest Incident Management Python
  • knowsec
    Independent Penetration Tester
    CONSULTING AND AUDITS
    August 2022 - September 2023 (1 year)
    - Collaborating with Knowsec, a penetration testing and vulnerability assessment company and a leading secure development company, as an independent penetration tester.
    - Conducting comprehensive penetration tests on websites and mobile applications developed by Knowsec for clients, ensuring the implementation of robust security measures.
    - Working closely with a highly skilled and globally recognized penetration testing team at Knowsec to identify vulnerabilities and mitigate potential threats.
    - Specializing in various penetration testing techniques, including network infrastructure testing, agile penetration testing, cloud penetration testing, wireless penetration testing, social engineering, and mobile penetration testing.
    - Contributing to enhancing clients' overall digital asset security by providing detailed vulnerability assessment or penetration testing reports and recommending effective solutions.
    - Playing a crucial role in strengthening clients' cybersecurity defenses by uncovering vulnerabilities before they can be exploited by malicious actors.
    - Providing valuable insights and recommendations to clients through cybersecurity advisory services offered in collaboration with Knowsec, helping them navigate the complex cybersecurity landscape.
    - Professionalism, expertise, and commitment to excellence in every project, aligning with Knowsec's mission to deliver secure and customized digital solutions to clients worldwide.
    Penetration Testing Penetration Testing Security Audit PenTest Web Pentest

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Education

  • Computer Network and Cybersecurity Engineer
    Esiee Paris
    2022
    - Cybersécurité - supervision informatique - réseaux et systèmes d'information - test d'audit et pentest - développement python,c

Certifications

Skill set

Categories