Sascha Herzog, Technical Director (CEO & CTO)

Works in information security as a red teamer and penetration tester since 2003. He conducted and headed red team assessments and penetration tests for a large number of European organizations. He was project lead for a number of high-profile customers such as international financial institutions, DAX 30 corporations, insurances, international media enterprises, government institutions, pharma, energy suppliers, and several small and medium enterprises. A recognized cyber security expert, Mr. Herzog regularly gives talks at conferences, authored several articles in well-known German IT magazines, and contributed chapters to several technical books. He also shares his vast knowledge in workshops and trainings for his clients.

His expertise focuses on, but is not limited to:

  • Information gathering, reconnaissance and Open Source INTelligence (OSINT)
  • Malware simulations and security technology bypasses (firewalls, endpoint protection and antivirus solutions, etc.)
  • Red team assessments & social engineering campaigns
  • Web application & browser security
  • (I)IoT [(Industrial) Internet of Things] security

As Technical Director of our company, Mr. Herzog oversees the everyday technical operations, long-term strategy and internal software development.

Jürgen Pfister, Operative Director, Legal, Marketing & Sales (COO)

Jürgen Pfister is married and has two children. He holds a BBA in Media & Marketing. Until recently he was responsible as COO at BIT Technology Solutions and in charge of several OEMs and tiers from the automotive industry. On top of that, he also led the BIT subsidiary in Croatia. Prior to that, he was CEO of the B2B marketing agency grassgreenmedia GmbH for 10 years. At NSIDE, Jürgen Pfister is responsible for marketing & sales, operative busines aspects, and legal & compliance topics. On top of that he is tasked with internationalization of the company and the establishment of strategic business locations.

Ingmar Kaiser, CTO

Ingmar Kaiserhas been working in IT security as an ethical hacker and penetration tester since 2009 and has been on board at NSIDE since 2017. He has already carried out numerous red team assessments and penetration tests at companies in the DACH region. Mr. Kaiser managed numerous projects with well-known customers, such as international financial institutions, DAX30 groups, insurance companies, government institutions, pharmaceutical and energy companies, as well as numerous customers from medium-sized German companies.

His expertise focuses on, but is not limited to:

  • Web Application Hacking
  • Windows (AD) Security
  • Network Security
  • Mobile Security Assessments (iOS/Android)
  • Unix Security
  • Red Team Assessments

As CTO of the company, he is responsible for the team of security analysts and  takes care of the expansion of the internal technical strategy and its implementation in cooperation with the management.