full-time employed working on my projects, part-time professional recreational programmer and quarter-time student
- How can one do security in a fully modular kernel?
Andraž is an auditor and security researcher at OtterSec, focusing on securing cryptographic implementations of blockchain projects. He is also an active CTF player for DragonSec SI, 0rganizers and ICC Team Europe.
- Unfaithful Claims: Breaking 6 zkVMs
With extensive experience in technology, business, and cybersecurity, I currently serve as Business Director at CYBER-SEC, where I leverage my expertise in artificial intelligence, internet security, and teamwork to drive impactful solutions. My work focuses on fostering collaboration, building strong partnerships, and developing strategies that align with long-term organizational goals.
Certified in ethical hacking and penetration testing, I combine technical acumen with a strategic mindset to bridge the gap between complex cybersecurity challenges and actionable outcomes. Passionate about empowering teams and creating meaningful solutions, my mission is to advance innovation and growth in a rapidly evolving digital security landscape.
- From Beginner to Pro Hacker: Practical Approach to Offensive Security Training
assistant professor of INFOSEC at FRI. https://david.modic.org
- How do we effectively communicate about INFOSEC?
I am a PhD Student in the CoreSec Group at the Institute of Information Security of Graz University of Technology.
My research area is side-channel attacks and defenses.
- When Correct Code leaks Secrets: Side Channels Explained
Lena Heimberger is a cryptographer working on practical and post-quantum privacy for the web. She currently works at Graz University of Technology. She interned with Cloudflare in 2024 and 2025.
- Anonymous Credentials for Next-Generation Rate Limiting: From Linear to Constant-Size Issuance
Marko Jankovec received the B.S. and Ph.D. degrees in electrical engineering from the Faculty of Electrical Engineering, University of Ljubljana, Ljubljana, in 1999 and 2004, respectively.
From 2004 to 2016, he was a Teaching Assistant with the University of Ljubljana, where he is currently a Professor. He was a Guest Research Scientist with PV-LAB, Ecole Polytechnique Fédérale de Lausanne, Neuchatel. Switzerland. His main research field is measurement techniques and systems for long-term reliability and performance assessment of photovoltaic cells, modules, and systems.
- Compliance of Electronic Products in the EU: From Electrical Safety and EMC to Cybersecurity under RED
analitik v SOC-u ACTUAL I.T.
- Capture the Flag in SOC
vodja SOC-a ACTUAL I.T.
- Capture the Flag in SOC
direktor infrastrukture in rešitev v oblaku v ACTUAL I.T.
- Capture the Flag in SOC
Rick is a part of the Pwn2Own team "PHP Hooligans". He has competed in five editions of Pwn2Own, exploiting a wide range of targets including
routers, printers, and automotive targets. Aside from Pwn2Own, Rick is an avid CTF player, having competed as part of 0rganizers and ICC's team
Europe.
- Zero to RCE in a Weekend: Fuzzing Old Games for Memory Corruption
Rok is a software engineer and cybersecurity enthusiast currently completing his Master of Computer Science at Delft University of Technology. A seasoned CTF competitor with numerous podium finishes in both national and international arenas, Rok bridges the gap between offensive security and robust engineering. His experience organizing large-scale CTF events has given him a unique, "under-the-hood" perspective on building systems that are as secure and scalable as they are reliable.
- Don't let them break you: a CTF infrastructure whitepaper
Žan Urbančič is the Co-Founder and Technical Director of CYBER-SEC d.o.o., a Slovenian cybersecurity company specializing in penetration testing, red teaming, and advanced security solutions. In his role, he leads the development and implementation of cutting-edge cybersecurity strategies, ensuring high standards of protection for digital infrastructures.
Žan is an experienced ethical hacker and cybersecurity specialist with a strong focus on offensive security, vulnerability assessment, and real-world attack simulations. Over the course of his career, he has conducted more than 100 penetration tests across various industries, including finance, healthcare, and critical infrastructure.
He holds multiple industry-recognized certifications and has hands-on experience with advanced security technologies, SIEM systems, and XDR solutions. Žan has also participated in international cybersecurity exercises such as NATO’s Locked Shields and Crossed Swords, gaining practical experience in large-scale cyber defense and attack scenarios.
In addition to his technical work, Žan is an active speaker and educator, sharing his expertise at conferences and professional events. His work focuses on identifying vulnerabilities, strengthening security postures, and helping organizations defend against modern cyber threats.
- From Beginner to Pro Hacker: Practical Approach to Offensive Security Training