Mevlüt Yıldırım - Project

Recommended expert

Munich, Germany

Experience

May 2025 - Present

9 months

Project

Physical Adversarial Attacks Using Fan-Based Holographic Projections

Planned and executed black-box adversarial testing of traffic-sign computer-vision pipelines; produced a threat model and attack-surface analysis for safety-critical scenarios
Built a programmable hardware proof of concept using a holographic POV fan and a repeatable test harness to run real-time experiments and collect evidence for vulnerability assessment
Quantified misclassification across lighting, distance, and angle, achieving up to 90% untargeted misclassification; delivered steps to reproduce, PoCs, and prioritized mitigations, and documented limitations and residual risk

May 2025 - Present

9 months

Cybersecurity Trainee

Hack The Box Academy

Hands-on training in penetration testing and vulnerability assessment covering the full workflow: reconnaissance, exploitation, post-exploitation, and reporting
Focus areas proved by completed paths and modules: web application testing and API attacks, network enumeration and traffic analysis, Linux and Windows privilege escalation, and password and authentication attacks
Tools: Kali Linux, Nmap, Burp Suite, ZAP, Metasploit, Wireshark, ffuf, sqlmap, John the Ripper, Hashcat, with Python and Bash automation

Aug 2024 - Oct 2024

3 months

Germany

Cybersecurity Research Intern

German Aerospace Center (DLR)

Assessed SpaceWire protocol stack and flagged missing authentication/encryption and protocol-level weaknesses; proposed mitigation directions
Built a formal threat model to assess potential attack vectors on embedded space systems, including attack surface mapping and adversary profiling
Extended OMNeT++ to simulate spoofing, packet injection and disruption scenarios; produced artifacts to support detection and hardening decisions

Oct 2023 - Present

2 years 4 months

Remote

Master's Degree in Communications and Electronics Engineering

Technical University of Munich

Coursework: IoT Security, Network Security, Embedded Systems & Security, Smart Card Laboratory, IoT Remote Lab, Software Architecture Design for Distributed Embedded Systems
Final grade 1.5 (German scale; 1.0 = best)
Thesis: Physical Adversarial Attacks Using Fan-Based Holographic Projections

Oct 2022 - Jul 2023

10 months

Project

Realizing a System Using Ad-Hoc Network Between ESP8266 WiFi Modules and Developing a Swarm Algorithm

Built a decentralized ad-hoc mesh using ESP8266/ESP-NOW, removing the ground-station dependency via peer-to-peer links
Designed and implemented a real-time swarm coordination algorithm for dynamic environments and multi-node operation
Evaluated communication reliability and latency under varying node counts and mobility; documented results and limitations

Sep 2022 - Sep 2023

1 year 1 month

Turkey

IoT Systems Engineer

Saportif Technology Inc.

Developed an end-to-end IoT system with ESP32/ESP8266 and Raspberry Pi (smart door-lock for shared offices), integrating sensors/actuators, RFID-based access control, and remote monitoring and control via custom web interfaces on a cloud backend
Secured the integration layer with HTTPS/TLS and authenticated REST APIs; mapped RFID identities to role-based access control (RBAC) and enforced server-side authorization for bookings and device commands
Implemented integration safeguards including input validation, parameterized requests, rate limiting, and audit logging for admin and access events; documented issues with OWASP Top 10 categories to prioritize remediation

Jul 2022 - Aug 2022

2 months

Turkey

Software Engineering Intern

Arcelik Inc.

Built a Python OOP test library that provided a fully software-based virtual testing environment, removing reliance on hardware simulators for PCB validation
Automated communication with refrigerator control boards and encoded reusable test algorithms, enabling end-to-end executions in a single run instead of manual procedures
Achieved approximately 80% faster test execution on control boards, significantly reducing manual effort and validation time while improving repeatability and coverage

Oct 2020 - Sep 2022

2 years

Turkey

Full-Stack Developer

Saportif Technology Inc.

Built and maintained React/Node CRM services with secure-by-default patterns and code reviews for reliable delivery
Implemented authentication and session controls (JWT/secure cookies), CSRF protection, and XSS mitigations
Hardened REST APIs with input validation and parameterized queries; added rate limiting, security headers, and structured errors; controls aligned with OWASP Top 10 and WSTG

Aug 2019 - Jul 2023

4 years

Bachelor's Degree in Electronics and Communication Engineering

Istanbul Technical University

Coursework: Intro. to OOP, Microprocessor Systems, Intro. to Embedded Systems
Final grade 3.37 / 4.00
Thesis: Realizing a system using ad-hoc network between ESP8266 WiFi modules and developing a swarm algorithm

Summary

I am an M.Sc. candidate at the Technical University of Munich with a strong interest in information security. My background spans a cybersecurity research internship and lab projects, strengthened by hands-on practice through HackTheBox and CTFs in ethical hacking, penetration testing, vulnerability assessment, and network security. Proficient in Python and Bash; familiar with Kali Linux, Metasploit, Burp Suite, Nmap, and Wireshark. I follow established security assessment methodologies and secure design principles, communicate clearly, manage multiple tasks, and turn evidence into concise, actionable recommendations.

Skills

Python
Git
Nmap
Burp Suite
Wireshark
Zap
Applied Cryptography
Shell Scripting (Powershell, Bash,..)
Windows
Gnu/linux
Macos
Reverse Engineerng
Embedded Security
Computer Network & Network Security
Tcp-ip

Languages

Turkish

Native

English

Advanced

German

Intermediate

Education

Oct 2023 - Present

Technical University of Munich

Master's degree in Communications and Electronics Engineering · Communications and Electronics Engineering · Munich, Germany · 1.5 (German scale; 1.0 = best)

Aug 2019 - Jul 2023

Istanbul Technical University

Bachelor's degree in Electronics and Communication Engineering · Electronics and Communication Engineering · Istanbul, Turkey · 3.37 / 4.00

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Experience

Project

Physical Adversarial Attacks Using Fan-Based Holographic Projections

Cybersecurity Trainee

Hack The Box Academy

Cybersecurity Research Intern

German Aerospace Center (DLR)

Master's Degree in Communications and Electronics Engineering

Technical University of Munich

Project

Realizing a System Using Ad-Hoc Network Between ESP8266 WiFi Modules and Developing a Swarm Algorithm

IoT Systems Engineer

Saportif Technology Inc.

Software Engineering Intern

Arcelik Inc.

Full-Stack Developer

Saportif Technology Inc.

Bachelor's Degree in Electronics and Communication Engineering

Istanbul Technical University

Summary

Skills

Languages

Education

Technical University of Munich

Master's degree in Communications and Electronics Engineering · Communications and Electronics Engineering · Munich, Germany · 1.5 (German scale; 1.0 = best)

Istanbul Technical University

Bachelor's degree in Electronics and Communication Engineering · Electronics and Communication Engineering · Istanbul, Turkey · 3.37 / 4.00

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