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Put two or three cybersecurity products side by side and see how they differ on deployment, pricing, features, integrations and compliance.

Nozomi Networks GuardianWaterfall Unidirectional Security Gateway2 of 3 products
Nozomi Networks logo

Nozomi Networks Guardian

by Nozomi Networks

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Waterfall Security logo

Waterfall Unidirectional Security Gateway

by Waterfall Security

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Overview

What it is

Nozomi Networks Guardian

Nozomi Networks Guardian: threat feed integration and vulnerability correlation. Built for SCADA process anomaly monitoring. Compare Asset Discovery alternatives.

Waterfall Unidirectional Security Gateway

Waterfall Unidirectional Security Gateway covers NERC CIP compliance and physical attack barrier for physical one-way data isolation. Compare top Network Security tools.

Product type

Nozomi Networks Guardian

Comprehensive Industrial Cyber Security & Operational Anomaly Appliance

Waterfall Unidirectional Security Gateway

Hardware Unidirectional Optical Security Gateway

Best for

Nozomi Networks Guardian

Utilities, Transportation, Smart Cities, Manufacturing, Energy

Waterfall Unidirectional Security Gateway

Power Generation, Chemical, Utilities, Oil & Gas

Pricing

Pricing model

Nozomi Networks Guardian

Contact Vendor

Waterfall Unidirectional Security Gateway

Contact Vendor

Free trial

Nozomi Networks Guardian

Free trial: yes

Waterfall Unidirectional Security Gateway

Free trial: no

Deployment

Deployment options

Nozomi Networks Guardian

CloudOn-Premise

Waterfall Unidirectional Security Gateway

On-Premise

Deployment details

Nozomi Networks Guardian

Hardware; Virtual; Cloud-connected; Hardware appliance; Virtual appliance (VMware/KVM)

Waterfall Unidirectional Security Gateway

On-premises; Optical Hardware Appliance; Hardware Appliance (Transmitter & Receiver Units)

Data residency

Nozomi Networks Guardian

Customer-controlled; Local premises

Waterfall Unidirectional Security Gateway

On-Premises Local Network

Key features

What it offers

Nozomi Networks Guardian

  • Non-intrusive network inspection
  • Process variable anomaly detection
  • Industrial asset inventory
  • Vulnerability correlation
  • Threat feed integration
  • SCADA process anomaly monitoring
  • Critical infrastructure defense
  • Industrial vulnerability discovery

Waterfall Unidirectional Security Gateway

  • Patented optical one-way isolation
  • Physical attack barrier
  • Database & file replication
  • NERC CIP compliance
  • Zero-latency OT data export
  • Physical one-way data isolation
  • Industrial critical asset protection
  • ICS air gap replacement

Platform & access

API access

Nozomi Networks Guardian

API access: yes

Waterfall Unidirectional Security Gateway

API access: yes

Single sign-on (SSO)

Nozomi Networks Guardian

SSO: yes

Waterfall Unidirectional Security Gateway

SSO: no

Role-based access (RBAC)

Nozomi Networks Guardian

RBAC: yes

Waterfall Unidirectional Security Gateway

RBAC: yes

Multi-tenant

Nozomi Networks Guardian

Multi-tenant: no

Waterfall Unidirectional Security Gateway

Multi-tenant: no

Mobile app

Nozomi Networks Guardian

Mobile app: no

Waterfall Unidirectional Security Gateway

Mobile app: no

Supported platforms

Nozomi Networks Guardian

ICS/OT networksSCADA systemsIoT fleets

Waterfall Unidirectional Security Gateway

NuclearPower PlantsWater TreatmentManufacturing

Compliance

Nozomi Networks Guardian

IEC 62443NERC CIPNIS2SOC 2ISO 27001

Waterfall Unidirectional Security Gateway

Common Criteria EAL4+NERC CIPNRCIEC 62443

Integrations & coverage

Integrations

Nozomi Networks Guardian

Nozomi VantageFortinetPalo Alto NetworksSiemensSchneider Electric

Waterfall Unidirectional Security Gateway

Schneider ElectricSiemensRockwellHoneywellOSIsoft

Industries

Nozomi Networks Guardian

UtilitiesTransportationSmart CitiesManufacturingEnergy

Waterfall Unidirectional Security Gateway

Power GenerationChemicalUtilitiesOil & Gas

Regions

Nozomi Networks Guardian

GlobalNorth AmericaEuropeMiddle EastAsia-Pacific

Waterfall Unidirectional Security Gateway

Global

Vendor

Company

Nozomi Networks Guardian

Nozomi Networks

Waterfall Unidirectional Security Gateway

Waterfall Security

Headquarters

Nozomi Networks Guardian

San Francisco, California, USA

Waterfall Unidirectional Security Gateway

Rosh HaAyin, Israel

Company size

Nozomi Networks Guardian

500+

Waterfall Unidirectional Security Gateway

201-500

Founded

Nozomi Networks Guardian

2013

Waterfall Unidirectional Security Gateway

2007

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