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Mustafa YoztyurkMY

Mustafa Yoztyurk

Cybersecurity Consultant

€150/day
Nuremberg, DE
3-7 years
Cybersecurity
PenTest
IT-Security
Linux
Network administration

Average response time: 1 hour

About Mustafa

Cybersecurity professional specializing in penetration testing, bug bounty research, and web application security. Experienced in identifying vulnerabilities, conducting security assessments, producing clear technical reports, and developing proof-of-concept exploits. Driven by a strong commitment to ethical hacking, continuous skill development, and exploring the role of AI in modern security practices.

  • English

    Native or bilingual

  • German

    Conversational

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

Experience

  • Synack Red Team
    Cyber Security Researcher
    February 2023 - Today (3 years and 4 months)
    Conducted penetration tests as part of the Synack Red Team bug bounty program, identifying web vulnerabilities, analyzing exploitability, and improving exploit development capabilities through real world attack scenarios.
    Penetration Testing Linux Risk and Vulnerability Assessment Bug Bounty IT-Security
  • Lostar Information Security Inc.
    Penetration Tester
    September 2023 - July 2025 (1 year and 10 months)
    Conducted web, API, and mobile security assessments for fintech and enterprise systems under BDDK, SPK, and ISO 27001. Validated exploit-level issues in auth/payment flows, applied MASVS and OWASP API Top 10, and supported remediation with fix verification.
    IT-Security Cybersecurity Risk and Vulnerability Assessment PenTest Data Privacy (GDPR, CCPA)
  • Secure Future Information Technologies Inc.
    Red Team Member and Penetration Tester
    October 2025 - December 2025 (2 months)
    Perform application security assessments for web, mobile, and API surfaces with emphasis on authentica tion workflows, transaction integrity, and access-control logic. Identify logic-based vulnerabilities missed by automated tooling, validate issues at exploit level, and collaborate with engineering and DevOps teams to align remediation with secure coding practices and threat models.
    IT-Security Risk and Vulnerability Assessment Cybersecurity Linux Red Team

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Education

  • Bachelor's Degree in Computer Engineering
    Ankara University
    2024
    Bachelor's Degree in Computer Engineering

Certifications

Mustafa's certifications are only visible to Malt Community members

Skill set

Risk and Vulnerability Assessment
Penetration Testing
Threat Intelligence
Data Privacy (GDPR, CCPA)
Database Management (e.g., SQL, NoSQL)
Data Cleaning and Preprocessing
Web scraping
IT Project Management

Categories