Ibrahim Sertkaya
Cyber Security Consultant
Ibrahim Sertkaya
Cyber Security Consultant
About Me

Hello! I’m Ibrahim Sertkaya.
IT Security Consultant with a wide range of knowledge in IT security and cryptography. With a Master degree in IT Security Networks and Systems from the Ruhr University Bochum. A passion for penetration testing and vulnerability searching.

  • Education Master of Science
  • Address: Köln, Germany
My Services
DevSecOps

Secure Your DevOps Practice by automating the detection of security issues throughout the Software Development Lifecycle

Pentesting

Testing Web- and iOS Applications for common vulnerabilities according to OWASP TOP 10

Splunk

Splunk Enterprise Security is the nerve center of the security ecosystem, giving teams the insight to quickly detect internal and external attacks.

Development

Developing memorable and unique mobile ios and smart home applications.

Certififications and Trainings

Interests
Smart Home Developer
Cycling
Apple iOS Developer
Callygraphy
Reading and Learning new Stuff
Resume
Experience
2024 - present
DevSecOps Engineer CI/CD
Senec GmbH
  • Pioneered the integration of automated security tools into GitLab CI/CD pipelines, enhancing the detection and mitigation of vulnerabilities in early development stages for continuous delivery environments.
  • Developed and integrated proprietary security tools into the GitLab Ultimate CI/CD pipeline, enhancing the company’s security posture by automating security scans for the early detection of potential threats and leaks.
2018 - 2024
Cyper Security Consultant
Spike Reply DE GmbH
  • Led and coordinated comprehensive vulnerability assessments and penetration tests for Web, Mobile, and Cloud Applications, aligning with OWASP Top 10 and Web/Mobile Application Security Testing Guidelines. Employed manual and automated methodologies to uncover and assess vulnerabilities such as SQL Injection, Cross-Site Scripting (XSS), and authentication flaws, significantly enhancing application security posture through detailed risk analysis and mitigation strategies.
  • Support customers in the transformation from DevOps to DevSecOps. Define Security Requirements based on OWASP DSOMM and OWASP SAMM. Ensuring the effective implementation of recommended security measures. Provided expert security consulting and facilitating a culture of security awareness within the organization.
  • Development of a software defined network to provide a broadband internet connection based on microservice-based technologies.
  • Working as Security Champion in Agile Projects and supporting in topics like Security by Design principles, building an automated continuous security pipeline, code review, security testing and hardening and, container / docker security.
  • Setting up secure Software Development Life Cycle processes, review security tools for automated malware analysis, automated threat modelling & Testing. Mobile iOS App Penetration Testing
2017 - 2018
Master-Student IT Security
inovex GmbH

For the master thesis a framework for the evaluation of Password Strength Meters on the most used websites was programmed. For this purpose, criteria were defined and evaluated using secure passwords. The evaluation systems were then evaluated and compared for their accuracy. The current work can be found on the website of the university: https://password-meter-comparison.org/

2012 - 2015
Dual Study - Applied Computer Science
Hewlett-Packard GmbH

A program combining the study of Applied Computer Science at the DHBW Stuttgart with internships in various business units of HP to gain both theoretical and practical knowledge.

EDUCATION
2015 - 2018
IT Security - Networks and Systems
Ruhr-Universität Bochum

This degree programme is unique, because, it provides substantial expertise in IT security based on the three-pillar model: Computer Science – Information & Technology – cryptography and students get integrated into industry-leading research teams and have access to state-of-the-art research lab equipment. It provides also the opportunity to specialise in the following fields: Network and Data Security, Embedded Security, Cryptography, System Security, Security Engineering, Human-Centred Security, Mobile Security

2012 - 2015
Applied Computer Science
Duale Hochschule Baden-Württemberg, Stuttgart

A program combining the study of Applied Computer Science at the DHBW Stuttgart with internships in various business units of HP to gain both theoretical and practical knowledge.

My Skills
Language
  • German
  • English
  • Turkish
Competences
  • DevOps Security Concepts
    75%
  • Ansible - Automation Framwork
    30%
  • iOS Mobile App Penetration Testing
    50%
  • Security General Consulting
    90%
  • Web Development
    90%
  • iOS Development - Swift
    75%
Latest Posts
28. Juli 2023 ShiftLeft with minimal effort
Allgemein

Why is SDLC security essential? With the inclusion of more systems and tools, the software development life cycle (SDLC) escalates…

13. Juli 2023 Benefits of Dynamic Application Security Testing
Allgemein

Nowadays, organizations are more worried about the financial and business consequences of having their data stolen. They understand the importance…

9. Juli 2021 Learn Cyber Security with TryHackMe
Allgemein

New TryHackMe Path Finished A good refresh and overview about the pre-requisite technical knowledge in cyber security. Covering the topics– Networking basics…

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