Sahin Yesilirmak

Hello, I'm

Sahin Yesilirmak

Cybersecurity |

Passionate about breaking & building secure systems. Bug Bounty Hunter, CTF Player, and Security Researcher exploring the depths of cybersecurity.

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About Me

Current Focus Live

TELC

TELC C1 German Certification

Actively preparing for TELC C1 language certification

Bug Bounty

Bug Bounty & CTF

Active researcher finding vulnerabilities and participation in CTF competitions

HSLU

BSc Information & Cyber Security

HSLU — Attack Specialist & Penetration Testing

🏆
1000+
CTF Challenges
🐛
0
Valid Bug Found
📜
0
Certifications
💻
0
Projects

Projects

CTF Platforms

Engineer Work Experience

Security Engineer

Swisscom, Switzerland

2024 – 2025

Education & Certifications

Education

Bachelor in Information & Cyber Security

HSLU, Luzern

02.2025 – heute

Schwerpunkt: Attack Specialist & Penetration Testing

ICT Work Integration Program

Powercoders Bootcamp, Bern

03.2023 – 06.2023

Erwarb fundierte Kenntnisse in Web-Sicherheitskonzepten und -methoden

Bachelor of Cinema/TV

Beykent University, Istanbul

09.2012 – 02.2014

Erwarb Kenntnisse in filmischen Techniken, Methoden und Theorien

Currently Pursuing

TELC C1

German Language Certification

75%

Roadmap

CCNA

CPTS

CDSA

OSCP

Completed

Theoriekurs Informatik-Praktikum (TIP)

Lucerne University of Applied Sciences and Arts • Feb 2025

Burp Suite Certified Practitioner

PortSwigger • Sep 2023

CS50cs - Introduction to Cybersecurity

Harvard University • Dec 2023

CS50p - Introduction to Programming with Python

Harvard University • Jan 2022

CS50x - Introduction to Computer Science

Harvard University • Jan 2022

Tech Stack

💻

Programming

Python Python
JS JavaScript
C C
SQL SQL
Shell Shell
🛡️

Security

Web Sec Web Security
Burp Burp Suite
Scan SAST/DAST
Splunk Splunk
XSOAR XSOAR
⚙️

DevOps & Tools

Docker Docker
Git Git
Linux Linux
Ansible Ansible
CI/CD
REST API

Get In Touch

Let's Connect!

I'm always open to discussing new projects, security research, bug bounty collaboration, or just a friendly chat about cybersecurity.

Send an Email