Marco Ortisi has been working in the cybersecurity field for 20+ years. He has a wide experience as penetration tester and Red Team leader, as well as with teaching security courses. He attended both as speaker and as trainer at many international conferences and events such as Blackhat Las Vegas, BruCON, Confidence, Hackinbo, etc...
Stefan Broeder works as senior penetration tester in the financial industry. His main focus is on in-depth code review of web applications and research on Java vulnerabilities. He holds a M.Sc. degree in Computer Science and has several certifications such as OSCP, GXPN, GCED, GWEB, GFOR and RHCSA.