Cyber Rangers

Daniel Hejda

Co-Founder | Ethical Hacker

Daniel is a red teamer, researcher, social engineer and security consultant with over 15 years of experience in IT technology and 5 years in OT technology. His work includes auditing, consulting and testing, as well as presenting at leading Czech conferences. His main activities in the field of security include penetration testing, social engineering, intelligence and research on cyber-attacks, not only state-sponsored groups (APT).

It is strongest in the disciplines of

  • red teaming with a focus on the physical and human aspects
  • penetration testing of IT/OT environments
  • social engineering
  • intelligence (OSINT, HUMINT, SOCINT, etc.)