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SDP Based Zero-Trust Architectures

In an increasingly de-centralized networked environment, the security controls provided by traditional perimeter security architectures are becoming ineffective. Software Defined Perimeter (SDP), as an implementation of a Zero Trust Network Architecture (ZTNA), provides the ability to deploy perimeter-like security controls across any network. To achieve this, an SDP controller acts as a central point that manages endpoint agents on all nodes in the SDP. This paper introduces modifications to the SDP to incorporate real-time protocol monitoring (RTPM) to extend session security beyond the initial authentication phase. Further, RTPM enables scalable security and reliability management of the system.