SD-WAN Security Architecture

SD-WAN Security Architecture

SD-WAN Security Overview

Software-Defined WAN (SD-WAN) optimizes WAN connectivity but introduces security considerations. SD-WAN security requires encryption, secure edge, integration with security services, and maintaining security across dynamic path selection.

SD-WAN Security

Encryption and Authentication

Implement end-to-end encryption across WAN links, certificate-based authentication, secure key exchange, and encryption for all transport including internet, MPLS, and LTE. Ensure encryption doesn't break at aggregation points.

Secure Edge

Deploy next-generation firewalls at SD-WAN edges, implement cloud-delivered security services, enable threat prevention, web filtering, and sandboxing. Security must follow traffic regardless of path selection decisions.

Segmentation

Implement application-based segmentation over SD-WAN, separate traffic by security requirements, create secure overlays, and enforce consistent security policies across all WAN edges and paths.

Cloud Security Integration

Integrate SD-WAN with cloud security services, implement secure direct internet access, enable cloud-delivered threat prevention, and maintain security for SaaS traffic optimized through SD-WAN.

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