Security News > 2020 > May > Why is SDP the most effective architecture for zero trust strategy adoption?

Software Defined Perimeter is the most effective architecture for adopting a zero trust strategy, an approach that is being heralded as the breakthrough technology for preventing large-scale breaches, according to the Cloud Security Alliance.

"Most of the existing zero trust security measures are applied as authentication and sometimes authorization, based on policy after the termination of Transport Layer Security certificates," said Nya Alison Murray, senior ICT architect and co-lead author of the report.

"Network segmentation and the establishment of micro networks, which are so important for multi-cloud deployments, also benefit from adopting a software-defined perimeter zero trust architecture."

A zero trust implementation using SDP enables organizations to defend new variations of old attack methods that are constantly surfacing in existing network and infrastructure perimeter-centric networking models.

Changing perimeter, whereby the past paradigm of a fixed network perimeter, with trusted internal network segments protected by network appliances such as load balancers and firewalls has been superseded by virtualized networks, and the ensuing realization that the network protocols of the past are not secure-by-design.

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