Network Detection & Response (NDR): 7 Tools compared
7 Network Detection & Response (NDR) Tools, side by side
| Tool | Deployment | Pricing model | Open source |
|---|---|---|---|
| Arista NDR | Cloud + Self-hosted | Subscription | — |
| Corelight | Cloud + Self-hosted | Open source + Enterprise subscription | Yes |
| Darktrace | Cloud + Self-hosted | Enterprise | — |
| ExtraHop | Cloud + Self-hosted | SaaS / Appliance | — |
| Fidelis Network | Cloud + Self-hosted | Appliance + Subscription | — |
| Stamus Networks | Cloud + Self-hosted | Open source + Enterprise | Yes |
| Vectra AI | Cloud | SaaS | — |
By use case
Our read on which firm suits which job. Editorial, not paid, and separate from the alphabetical listing below.
Organizations wanting AI-driven detection of unknown threats across hybrid environments
Darktrace
The pioneer in AI-driven cybersecurity. Its self-learning AI detects novel threats without signatures, making it ideal for organizations facing advanced persistent threats and wanting autonomous response capabilities.
Cloud, Self-hosted
Security teams needing AI-prioritized threat detection across hybrid cloud and identity
Vectra AI
The Gartner Leader for NDR with Attack Signal Intelligence that reduces alert noise by up to 80%. Best for security teams needing AI-prioritized detection across network, cloud, and identity in one platform.
Cloud
Organizations needing deep network visibility and forensics across hybrid environments
ExtraHop
The strongest choice for deep network visibility with line-rate packet analysis and 70+ protocol decryption. Best for organizations needing forensic-grade network analysis across hybrid environments.
Cloud, Self-hosted
Arista NDR
Network Detection & Response (NDR)Organizations wanting agentless, AI-assisted network detection
Arista NDR is a network detection and response platform that analyzes enterprise network traffic to discover entities, detect threats, and support investigation and response without endpoint agents. The product originated as the Awake Security NDR platform, founded in 2014, which Arista Networks acquired in 2020 and rebranded. Its components include EntityIQ for entity tracking, the AVA decision-support engine, and Adversarial Modeling for threat hunting. Sensors can run on Arista switches, as physical or virtual appliances, and in public cloud environments such as AWS and Google Cloud.
Corelight
Network Detection & Response (NDR)Teams wanting open, Zeek-based network evidence and forensics
Corelight is a network detection and response (NDR) vendor founded in 2013 by the creators of the open-source Zeek framework (formerly Bro). Its Open NDR Platform combines Zeek network evidence with Suricata intrusion detection, YARA file analysis, behavioral analytics, machine learning, and packet capture for threat detection, investigation, and incident response. It is positioned as an open-core product and integrates with SIEM and XDR tools, supporting on-premise appliances, virtual and software sensors, and cloud deployments across AWS, Azure, and GCP. Corelight remains a steward of the Zeek project.
Darktrace
Network Detection & Response (NDR)Organizations wanting AI-driven detection of unknown threats across hybrid environments
Darktrace is a pioneer in AI-driven cybersecurity, using self-learning AI to detect and respond to novel threats across the entire digital ecosystem. Its Enterprise Immune System learns normal behavior patterns and identifies subtle deviations that signal emerging threats, without relying on rules or signatures.
ExtraHop
Network Detection & Response (NDR)Organizations needing deep network visibility and forensics across hybrid environments
ExtraHop RevealX is a cloud-native network detection and response platform that provides complete visibility into hybrid and multi-cloud environments. It analyzes network traffic at line rate using cloud-scale machine learning to detect threats, investigate incidents, and automate response.
Fidelis Network
Network Detection & Response (NDR)Government and enterprise buyers wanting deep session inspection NDR
Fidelis Network is the network detection and response (NDR) component of the Fidelis Elevate XDR platform from Fidelis Security. It uses the company's patented Deep Session Inspection technology to analyze traffic across ports and protocols, performing network traffic analysis, behavior anomaly detection, data loss prevention, and sandboxing. The product integrates with Fidelis Elevate endpoint detection and deception capabilities for correlated detection and response. Fidelis traces its origins to Fidelis Security Systems, founded in 2002, and has a documented history serving United States government and defense customers.
Stamus Networks
Network Detection & Response (NDR)Teams wanting Suricata-based NDR with an open-source edition
Stamus Networks develops Clear NDR, a network detection and response platform formerly marketed as the Stamus Security Platform. It is built on the open-source Suricata IDS/IPS engine and combines intrusion detection, network security monitoring, and NDR using signature-based, anomaly-based, and behavioral methods. It is offered as a commercial Enterprise edition and a free open-source Community edition, the successor to the SELKS project. The company also maintains the Suricata-based open-source tooling that underpins its commercial offering.
Vectra AI
Network Detection & Response (NDR)Security teams needing AI-prioritized threat detection across hybrid cloud and identity
Vectra AI provides AI-driven threat detection and response across hybrid cloud environments. Named a Leader in the 2025 Gartner Magic Quadrant for NDR, Vectra uses patented Attack Signal Intelligence to prioritize the threats that matter most and reduce alert noise by up to 80%.
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About this listing
Network Detection & Response (NDR) tools, compared on public information. The comparison table is ordered by reader upvotes, then A to Z, with paid Featured listings shown first and labelled; the full entries run A to Z. How we work →