Daniel Mende is a German security researcher leading the cybersecurity lab at ZTE Germany.
He specializes in network protocols and technologies. He is well known for his statefull fuzzing frameworks dizzy and
has also discussed new ways of building botnets and presented on protocol security at many occasions including
Troopers, ShmooCon and Black Hat. He has written several tools for assessment of telecommunication networks like
ss7MAPer, Pytacle, GTP-Scan and APNBF.

Sergej Schmidt is a senior security consultant at WALLSEC. He conducts pentests and is regularly involved in detection engineering and SOC automation projects. His somewhat non-linear path started more than a dozen years ago at a small consultancy company, then going back to university, only to find him self in large enterprises at the end. While doing his Masters he spent two years with research on automated binary reversing and was working as a Linux admin. Most of his career his areas were pentesting of network infrastructures, build systems, web and mobile applications.
Before his current job, he spent multiple years at the defenders' side as an incident responder with a focus on Linux security monitoring and detection engineering.