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Radiflow iSID

Radiflow iSID provides OT network visibility, threat detection, and monitoring for industrial operations and critical infrastructure.

Place
#8 of 21
Score
5.8
Radiflow iSID's website

What Radiflow iSID is

Radiflow iSID provides OT network visibility, threat detection, and monitoring for industrial operations and critical infrastructure. It passively monitors network traffic to discover assets and build an inventory with each asset’s role and impact on the OT environment. It learns normal network, asset, and communication behavior to detect deviations, alongside known threats and vulnerabilities identified using threat intelligence, SNORT-based and common attack signatures, and CVE mapping. Deep packet inspection analyzes mirrored traffic without disrupting operations, while continuous monitoring checks PLCs and other network devices for configuration changes. iSID can be deployed centrally using iSAP Smart Collectors, locally at remote sites, or through a mix of both. The iCEN web interface provides enterprise-wide and site-specific views and central management of multiple iSID instances. MSSPs can manage multiple customers with client-based view permissions. A documented Cisco ISE integration shares OT asset context through pxGrid and supports quarantine policies. The product is offered as self-hosted software or through the web; pricing is available on request.

Good

  • Passively discovers OT assets and builds an inventory.
  • Monitors mirrored traffic without disrupting operations.
  • Tracks PLC and device configuration changes.
  • Can be deployed centrally, locally, or in combination.
  • Includes a documented Cisco ISE integration.

Watch out

  • Pricing is available only on request.
  • Management uses a web browser; the guide specifies Chrome.

Who it suits

iSID suits industrial enterprises, utilities, and critical-infrastructure operators seeking passive OT monitoring and asset visibility. Its multi-instance management and separated customer views also suit MSSPs.

Verdict

iSID focuses on passive OT visibility, behavioral monitoring, and detection of known threats and vulnerabilities. Organizations considering it should request pricing and assess its deployment and browser requirements.

Plans and prices

From Radiflow iSID's own pricing page, checked 4 Oct 2026.

All about pricing
PlanPriceWhat it gives you
Contact RadiflowPriced on requestPricing not published; request a demo or contact Radiflow

The facts

Each one read from Radiflow iSID's own pages, with the date it was checked.

What it does

Asset discovery
It passively monitors network traffic to discover assets and build an inventory that includes asset roles and impacts on the OT environment.checked 3 Oct 2026
Asset inventory
It automatically discovers OT assets and builds an inventory that includes their roles and impacts on the environment.checked 4 Oct 2026
Baseline learning
It learns normal network, asset, and communication behavior and continuously detects deviations from that baseline.checked 4 Oct 2026
Behavior baselining
iSID learns normal network, asset, and communication behavior and continuously detects anomalous behavior.checked 3 Oct 2026
Cisco integration
Radiflow describes a Cisco ISE integration that shares OT asset context through pxGrid and supports Adaptive Network Control quarantine policies.checked 4 Oct 2026
Deployment
iSID can run centrally, locally at remote sites, or in a mixed arrangement, with iSAP Smart Collectors supporting centralized deployments.checked 4 Oct 2026
Integrations
The iSID 6.0 guide lists Palo Alto Networks Firewall, Fortinet Firewall, and ServiceNow Workflows as supported third-party integrations.checked 4 Oct 2026
Management
iCEN provides a web interface for unified enterprise-wide and site-specific views and centralized management of multiple iSID instances.checked 3 Oct 2026
MSSP support
Radiflow describes iCEN as enabling MSSPs to manage multiple customers, with separation enforced through client-based view permissions.checked 3 Oct 2026
MSSP use
The platform supports MSSP monitoring and management of multiple iSID instances, with client-based view permissions for separation.checked 4 Oct 2026
Non-disruptive monitoring
Its DPI analyzes mirrored network traffic without disrupting operations.checked 3 Oct 2026
Non-intrusive analysis
Its deep packet inspection analyzes mirrored network traffic without disrupting operations.checked 4 Oct 2026
PLC monitoring
It continuously supervises configuration changes in PLCs and other network devices.checked 4 Oct 2026
Purpose
iSID passively monitors industrial and critical infrastructure networks to provide visibility, detect threats, and identify anomalous behavior.checked 4 Oct 2026
Security updates
Radiflow says iSID signature files are digitally signed and distributed with SHA-256 hashes, with quarterly email notices to current customers and downloads available through its support site.checked 3 Oct 2026
Support
Radiflow describes continuous service and support and lists [email protected] on its company page.checked 4 Oct 2026
Threat detection
The product uses threat intelligence, SNORT-based signatures, attack signatures, and vulnerability information to detect anomalies and known threats.checked 3 Oct 2026
Vulnerability detection
The product page says iSID uses threat intelligence, SNORT-based and common attack signatures, and CVE mapping to detect vulnerabilities and anomalies.checked 4 Oct 2026
Who it serves
Radiflow describes its solutions as serving industrial enterprises and utilities, and its OT security platform as intended for critical infrastructure operators.checked 3 Oct 2026

Where it runs

Browser access
The iSID 6.0 user guide says the application is managed through a web browser and specifies Google Chrome.checked 4 Oct 2026

The company

Company founding
Radiflow says it was founded in 2009.checked 4 Oct 2026
Company scale
Radiflow says its solutions are deployed at more than 8,000 sites worldwide and supported from offices and partners in Europe, APAC, and North America.checked 4 Oct 2026
Founded
2009checked 28 Sep 2026

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