About Castelain

Castelain help organisations make effective, lasting and substantial improvements to their IT security.  We tackle the most difficult issues and serious challenges in the field.  We design and build systems that work.

We understand business. We understand technology. We know security.

 

 

 

 

 

 

 

 

 

 

 

• Home
• About us
  • Who we are
  • Our people
  • Our leaders
  • What makes Castelain different?
  • What we do
    • Security systems architecture and design
    • Program and project management
    • Systems integration
    • Independent testing
    • Education and training
  • Our Partners
• Expertise
  • Application security
  • Transaction security
  • Public key cryptography and digital signatures
  • Public key infrastructure
  • Identity management and access control
  • Mergers and acquisitions
  • Security policy and compliance
  • Risk management
  • Security controls
• Clients
  • Commerce
    • KAZ
    • Altnet
  • Finance
    • Major Australian bank
    • Commonwealth Bank
  • Government
    • New Zealand Government Ministry of Justice
    • Australian Customs Service
    • Australian Tax Office
    • Department of Industry, Tourism and Resources
    • NSW Office of State Revenue
    • CrimTrac
    • Department of Health and Ageing
  • Utility
    • Integral Energy
• Technology
  • Secure Internet Portal
    • Overview
    • Security
    • Integration
• Publications
• Contact