Vision Statement

Company Vision: To improve the IT security & safety of our customers & all New Zealanders


Company Background

Lateral Security is a specialist fully independent IT security company that provides a full range of GRC information security advisory, compliance, technical testing (penetration testing), staff training and managed services. Lateral Security has three offices located in Auckland, Wellington (HQ) and Christchurch and is recognised as a trusted advisor and leader to many New Zealand, Australian, International, Corporate and Government clients.

Ratu Mason and Nick von Dadelszen founded Lateral Security in 2008 after seeing the need for an independent ICT security services company that uses a highly specialised team of management (GRC Advisory) and technical (Assurance Testing) security consultants. The Directors value quality over quantity and this is reflected in every process within the business which is designed to provide business level actionable outcomes for our clients.

In December 2020 Tesserent (ASX listed TNT) acquired Lateral Security as the first acquisition into the New Zealand marketplace. Tesserent is a full 360 degree cybersecurity company and has provided leading security services in Australia for more than 10 years. The acquisition brings together more than 350 staff and offers clients extensive tailored cybersecurity capabilities. Clients include businesses and government agencies with the toughest security compliance requirements, including those in the financial services and telecommunications. New Zealand Government certifications awarded to Lateral Security include 2021 - Department of Internal Affairs Marketplace 2021, 2017 - All of Government Certified Services & Common Capability ICT 2017 ICT-SRS Panel Provider.

  • Information Security Risk Management and Assessment Primary
  • Information Security Governance and Strategy Primary
  • Information Security Assurance Primary
  • Source Code and Application Review and Technical Testing Primary
  • ICT Forensics, Investigation and Security Incident Response Primary



Lateral Security has 32 full-time members of staff, including:

  • Management (2)
  • Relationship (4)
  • IT Security Advisory Consultants (8)
  • IT Security Testing Consultants (16)
  • Project Coordinator (1)
  • Office Administrator (1)
All staff group photo


Technical Director


Nick von Dadelszen

Nick is co-founder of Lateral Security and its principal security consultant with over 13 years of experience in the security industry. He is a regular presenter on IT security topics and lectured at Canterbury University.

Before co-founding Lateral Security Nick worked at Deloitte New Zealand and, which is where he first met Ratu Mason.

Nick’s strengths include:

  • Penetration testing (network & application)
  • Architecture and design specialist
  • Application source code analysis
  • Configuration reviews of servers, firewalls, and routers
  • RFID smartcard specialist

Relationship Managers



Andrew is the Auckland Services Account Manager. Andrew has over fifteen years of experience in business and relationship management in the IT infrastructure and security software industries. Throughout his career Andrew has a demonstrable track record of assisting his customers to maximise their business goals to achieve successful outcomes.


  • Client relationship management
  • Business acumen and industry knowledge
  • Customer focused and outcome driven
  • Communication skills
  • Focused on achieving successful outcomes for clients



Andrew is an Account Manager with over 10 years in sales management, building client relationships within customer service industries. Andrew has extensive background in customer service, contact and call centre management, IT service desk, fault and resolution tracking. Andrew is also a tennis coach for a number of Wellington clubs and enjoys the challenges of both of these roles.


  • Business development
  • Sales management/digital media
  • Client management
  • Customer and fault resolution
  • Quality service improvement



Glenn is the Christchurch Services Account Manager. Glenn and has over 20 years' experience in account management roles across ICT, Telecommunications and the Accounting industry. His previous roles in sales and account management mean he is focused on driving the best client driven outcomes. Glenn holds a number of roles across different community organisations.


  • Relationship and account management
  • Communication
  • Customer focused and outcome driven

Team Leaders

Technical Team Leader


Benjamin is a Technical Team Leader with 8 years of experience in the IT industry. In this time he has worked for both private companies and government organisations in system administration, software development and support roles. In the past he has done research into computer science education techniques and his active area of research is in digital forensic analysis tools.


  • General security advisory and consulting
  • Security risk assessment
  • Penetration testing (network & application)
  • Application source code reviews

Advisory Team Leader


Aaron is an Advisory Team Leader with 20 years’ experience in the information security industry focusing on Governance, Risk & Compliance. Aaron has extensive experience working in the government sector but started his security career in the banking industry.


  • Security governance
  • Security risk assessments
  • Security compliance
  • Certification & Accreditation
  • General security advisory