
Sascha Herzog (Founder & CEO)
Sascha Herzog has been working in IT security as a Red Teamer and Penetration Tester since 2003. He conducted Red Team assessments and penetration tests at numerous companies across Europe. Mr Herzog has managed many projects for well-known customers such as international financial institutions, DAX corporations, insurance companies, international media groups, government institutions, pharmaceutical and energy companies as well as a number of customers from the German SME sector. As an IT security expert, he regularly gives lectures, publishes articles and contributions in technical books, and imparts his knowledge in workshops and training courses at customers.
His technical focus areas include:
- Tactical Information Retrieval – Reconnaissance and Open Source INTelligence (OSINT).
- Malware attack simulations and bypassing security technologies (firewalls, endpoint protection etc.)
- Red Team Assessments and Social Engineering Campaigns
- Web Application and Browser Security
- (I)IoT ((Industrial) Internet of Things) Security

Jörg Schauff (Head of Threat Intelligence)
Jörg Schauff is an internationally experienced intelligence and cyber security expert with more than 25 years of experience in the security environment. He has been with NSIDE since November 2024. As Head of Threat Intelligence, he advises clients on all aspects of threat intelligence and strategic threats. Mr. Schauff began his career in the field of threat intelligence at the German Federal Office for the Protection of the Constitution in the Counterintelligence Department. Prior to joining NSIDE, he contributed his expertise to Fortune 500 companies, Symantec, the Cyber Command of the German Armed Forces (KdoCIR) and CrowdStrike.
Vanessa Apprich (Commercial Director, ppa.)
Vanessa Apprich, M.Sc. in Business Administration, joined NSIDE in 2019 and has been responsible for the operational management of NSIDE as Commercial Director since January 2025. With her keen sense for finance, human resources, organization, and administration, as well as her coordination of internal and external company transitions, she ensures NSIDE's competitiveness and future viability. Even before taking on the role of Commercial Director, Ms. Apprich supported the management team in operational and strategic decisions and, as a project manager, was the primary contact person for NSIDE's customers, to whom she continues to be an important point of contact.
