Conclusion: Current network and security deployments make many assumptions about the threat environment and which controls are effective. Many of these assumptions are predicated on an older security architecture that emphasised the perimeter. This perimeter then segregated the outside from the inside with an associated perception that inside was good or trustworthy and outside was bad and untrustworthy.

It is easy to see that for many, if not most organisations, the perimeter is no longer just considered a solid demarcation point between outside and inside. The internal network hosts contractors and consultants as well as integrates external services as if they are native to the network. Staff operate from partner and customer locations as well as from public networks via wi-fi hotspots in cafes, airport lounges and hotels.

This evolution requires a fresh security architecture to assist organisations to operate in the evolving network and service paradigms. The zero trust network (ZTN) philosophy lays out an architectural approach to deploying services, enabling staff and supporting customers. ZTN should be assessed by any organisation looking to move to an internet-driven, Cloud-supported and secure operating schema.

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Peter Sandilands

About The Advisor

Peter Sandilands

Peter Sandilands is an IBRS advisor who specialises in cyber security, risk and compliance. Peter has over 40 years’ experience in the IT industry with the last 20 years focused on security. He has spoken at conferences and industry briefings across Asia Pacific. Peter was instrumental in the introduction of Check Point Software to Australia, leading the operation for five years. Prior to that Peter was a key strategist in the broadening of Novell’s market across Asia Pacific. Since then he has spent nearly 10 years working for large Australian companies in banking, mining and transport delivering security strategy, security architecture and compliance assessments. Peter has also assisted overseas security vendors enter the Australian market with a focus on the strategic use of the products. As a casual academic at UTS for over 20 years, Peter lectured in network security, Cloud security and networking technologies. With his experience across vendors, channel and business, Peter brings a pragmatic approach to implementing and assessing cyber security. Peter has a Master's of Cyber Security from Charles Sturt University.