Doğukan Çalışkan

Threat Researcher | Founder & CEO @OSINTCTI

Ankara, Ankara, Türkiye

About

Hello! I am Doğukan Çalışkan, 19 years old, passionate about the world of cybersecurity and deeply experienced in the field of information technology. I started my professional career focusing on software development and network security and I am currently developing myself as a security engineer trying to specialize in combating cyber threats. Combining my technical knowledge with strategic thinking, I have gained experience in developing custom security solutions for various industries. I am knowledgeable in areas such as intrusion detection, incident response and network protection, and am recognized for my ability to adapt to the ever-changing cyber threat landscape. My belief in teamwork and communication skills, combined with my ability to solve complex problems, enable me to succeed in strengthening companies' security infrastructures and optimizing their defense strategies. My goal is to provide strong protection against threats at all levels and implement best practices to safeguard clients' digital assets. Feel free to contact me to connect with me and discuss how we can collaborate in the field of cybersecurity.

Experience

  • Founder at HISAR AI
    Jul 2026 - Present · 1 mo

  • Founder at OsintCTI
    Aug 2025 - Present · 1 yr

  • Cyber Threat Intelligence Analyst at Cyberthint
    Aug 2025 - Jun 2026 · 11 mos

  • Cyber Security Analyst at Seccops Siber Güvenlik Teknolojileri A.Ş.
    Aug 2025 - Jun 2026 · 11 mos