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Fidelis Network alternatives (2026)

6 network detection & response (ndr) tools listed alongside Fidelis Network for side-by-side comparison on capabilities, pricing, and deployment. No editorial ranking.

Why look for Fidelis Network alternatives?

Fidelis Network is a strong option for network detection & response (ndr), but it's not the right fit for every team. Common reasons teams look elsewhere: pricing is not publicly published and requires contacting the vendor; appliance and sensor based architecture can add deployment and tuning complexity.

Below we list 6 alternatives, broken down by deployment model. All data is aggregated from official documentation and community feedback.

Open Source Alternatives to Fidelis Network

Network Detection & Response (NDR) · Founded 2013

Open NDR platform built on the open-source Zeek network monitoring framework

Pricing: Open source + Enterprise subscription
Deployment: Cloud, Self-hosted, Open source
Network Detection & Response (NDR) · Founded 2014

Suricata-based network detection and response with an open-source community edition

Pricing: Open source + Enterprise
Deployment: Cloud, Self-hosted, Open source

Cloud-Managed Alternatives

Network Detection & Response (NDR) · Founded 2011

AI-powered NDR with Attack Signal Intelligence for hybrid cloud

Pricing: SaaS
Deployment: Cloud

Self-Hosted Alternatives

Network Detection & Response (NDR) · Founded 2013

AI-driven cyber defense using self-learning technology

Pricing: Enterprise
Deployment: Cloud, Self-hosted
Certifications: ISO 27001, ISO 42001, Cyber Essentials
Network Detection & Response (NDR) · Founded 2007

Cloud-native NDR with line-rate network traffic analysis

Pricing: SaaS / Appliance
Deployment: Cloud, Self-hosted
Certifications: FedRAMP Moderate
Network Detection & Response (NDR) · Founded 2013

Open NDR platform built on the open-source Zeek network monitoring framework

Pricing: Open source + Enterprise subscription
Deployment: Cloud, Self-hosted, Open source
Network Detection & Response (NDR) · Founded 2014

Suricata-based network detection and response with an open-source community edition

Pricing: Open source + Enterprise
Deployment: Cloud, Self-hosted, Open source
Network Detection & Response (NDR) · Founded 2014

Agentless, AI-assisted network detection and response for campus, data center and cloud

Pricing: Subscription
Deployment: Cloud, Self-hosted