Castelain

Castelain is a specialist IT security and PKI consulting firm delivering pragmatic advice and systems integration services. Our IT security and PKI clients include a range of high profile government and business enterprises throughout the Asia Pacific region. Castelain make a practical, real-world difference to the way your IT systems work, how secure they are and how well your users understand them. We are leading professionals in our field, with a strong understanding of security risks, trends, expectations and implementations across government and corporate enterprises, and across a range of industries. Learn more about our broad range of services related to PKI, transaction security, network management and IT system assessment and deployments from our website at