Patrik Žák

Patrik Žák

Co-Founder & Infrastructure Pentester

“Hacking my own server led me to a genuine interest in security.”

CRTL – Certified Red Team LeadCRTO – Certified Red Team OperatorCPTS – Certified Penetration Testing SpecialistCNPen – Certified Network PentesterCCPenX-AWS – Certified Cloud Pentesting eXpert – AWSC-AI/MLPen – Certified AI/ML PentesterNÚKIB – Cybersecurity ManagerCRTL – Certified Red Team LeadCRTO – Certified Red Team OperatorCPTS – Certified Penetration Testing SpecialistCNPen – Certified Network PentesterCCPenX-AWS – Certified Cloud Pentesting eXpert – AWSC-AI/MLPen – Certified AI/ML PentesterNÚKIB – Cybersecurity Manager

Patrik is an ethical hacker and cybersecurity consultant with over 13 years of experience in IT and more than 10 years focused on cybersecurity. He began his career in 2012 as an IT systems administrator and has worked as a network administrator and freelance ethical hacker since 2015, allowing him to gain broad practical experience across various infrastructures. He specializes in network and server penetration testing, Red Teaming, and security consultancy. He believes that artificial intelligence will play a key role in the future of cybersecurity and actively monitors its use by both defenders and attackers.

Specialization

Infrastructure Red Teaming Active Directory Network Architecture DevSecOps Virtualization AWS
13+ years in IT
10+ years in cybersec

Experience & Activities

📡 Author of the weekly Security Sunday newsletter and contributor on Medium regarding current cyber threats
🎓 Lecturer of the “Practical Penetration Testing” course for Robot Dreams – passing on practical experience to future pentesters
🖥️ Deep knowledge of network architecture, virtualization, and IT systems management from operating real-world infrastructures