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CTF Competitions (Cyber Security)
CTFs have helped sharpen my skills in reverse engineering, web security, forensics, and scripting under time pressure. They’ve strengthened my secure coding, Linux proficiency, and DevOps readiness—making them a key part of my hands-on cybersecurity growth.

Jeopardy-style Capture The Flag (CTF) competitions are cybersecurity challenges where participants solve a series of tasks across categories like reverse engineering, web exploitation, cryptography, forensics, and binary exploitation. Each challenge rewards points based on difficulty, and participants aim to score as high as possible within a limited time.
Beyond the competition itself, CTFs are excellent environments for hands-on learning. They help build and reinforce a wide range of practical skills relevant to modern software development, infrastructure, and security:
Key Skills Developed
- Secure Coding & Debugging: Understanding how code is broken helps developers write safer, more resilient applications.
- Scripting & Automation: Many challenges require quick custom tooling using Python, Bash, or other scripting languages.
- Reverse Engineering: Dissecting binaries or obfuscated logic improves problem-solving and familiarity with low-level systems.
- Web Security Knowledge: Challenges often mimic real-world vulnerabilities like SQL injection, XSS, CSRF, and IDOR, helping participants recognize and defend against them.
- System & Network Forensics: Analyzing logs, memory dumps, or packet captures builds familiarity with incident investigation.
- Linux & Command Line Proficiency: Most CTFs demand deep interaction with Unix-based systems and tools like gdb, strace, nmap, and tcpdump.
- Container & Cloud Environments: Increasingly, CTFs include cloud-based or Dockerized challenges, improving cloud security awareness and DevOps readiness.
- Critical Thinking Under Pressure: Time-constrained problem solving boosts your ability to think creatively and prioritize efficiently.
These competitions have been instrumental in sharpening my technical foundation and pushing me to explore areas beyond my daily work. Each CTF is a fast-paced, focused opportunity to build practical, cross-disciplinary skills that translate directly to real-world software and security challenges.
My CTF history:
- KalmarCTF 2026 - 339 Points.
- KalmarCTF 2025 - 209 Points.
- KalmarCTF 2024 - 200 Points.
- Aarhus CTF 2019 - 3106 Points (87th Percentile).
- OpenToAll University (Practice CTF Challenges) 2019 - 1076 Points (87th Percentile).
- Mitre (STEM) CTF 2019 - 450 Points (80th Percentile).
- FireShell CTF 2019 - 360 Points (80th Percentile).
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