Microsoft Defender for IoT
Microsoft Defender for IoT: Agentless OT monitoring and threat response for organizations using Microsoft security tools. Ranked #1 of 56 in IoT Security Software by our editors (9.3/10); pricing: Pricing on request; best for organizations standardizing OT security on Microsoft.
At a glance
- Editor score9.3 / 10
- PricingPricing on request
- Best forOrganizations standardizing OT security on Microsoft
- Free planNo
- IoT asset discoveryYes
- Facts checked23 Oct 2026
Where it wins
- Discovers IoT and OT assets with protocol and communications context.
- Combines passive and active agentless monitoring with OT-aware threat detection.
- Offers virtual-machine or physical sensors, with cloud or local management.
Where it doesn't
- Pricing requires contacting sales, and licensing varies by tier and site or device count.
- There is no permanent free plan; the Enterprise IoT offer is a free trial.
- Listed support channels are limited to documentation.
Our verdict on Microsoft Defender for IoT
Microsoft Defender for IoT monitors enterprise IoT and industrial environments, including ICS and OT networks. It is intended for security leaders, OT security administrators, industrial engineers, risk managers, and SOC analysts who need asset visibility and threat monitoring across those environments. Its inventory includes device context such as protocols and communications, while risk-based vulnerability management helps prioritize remediation. Organizations looking to bring OT monitoring into a Microsoft security environment are a natural fit; teams seeking a general-purpose IoT management product may find its focus too specialized.
Monitoring combines passive and active agentless approaches with behavioral analytics and OT-aware threat detection. The product can flag protocol and policy violations, support incident investigation, and provide recommended response actions. Network sensors can run as virtual machines or physical appliances, with cloud-connected or locally managed OT sensor options. This gives organizations flexibility in how they place monitoring within industrial networks, but sensor deployment and management choices will need to suit each environment. The product is managed through Azure and Defender portals depending on the monitoring scenario.
The Microsoft security ecosystem is a practical consideration: listed integrations include Microsoft Sentinel, Microsoft Defender for Endpoint, and Microsoft Defender XDR. According to the published product notes, Enterprise IoT has a free trial, but there is no permanent free plan. Pricing is not displayed on the product page, and licensing varies by product tier and site or device count, so organizations should expect to contact sales to evaluate costs. Choose Defender for IoT when OT asset discovery, threat detection, and Microsoft security integration are priorities; consider alternatives if predictable self-service pricing or support beyond documentation is essential.
Your product? Our editors can test Microsoft Defender for IoT in depth and publish a review, labelled as paid · from $149/mo →
Microsoft Defender for IoT pricing
Microsoft Defender for IoT fact sheet
| Free plan | No |
|---|---|
| Paid from | Not verified |
| IoT asset discovery | Yes |
| Industrial OT coverage | Yes |
| Threat detection | Yes |
| Device segmentation | Not verified |
| Incident response | Yes |
| Deployment options | Hybrid |
| Deployment | Cloud, Self-hosted |
| Platforms | Web, Windows |
| Support | Docs |
| Built for | Mid-market, Enterprise (editorial estimate) |
| Integrations | 3 integrations: Microsoft Sentinel, Microsoft Defender for Endpoint, Microsoft Defender XDR |
| Pricing | Pricing on request (source) |
| Website | microsoft.com |
| Facts checked | 23 Oct 2026 |
Microsoft Defender for IoT integrations
Microsoft Defender for IoT lists 3 integrations on its own site.
- Microsoft Sentinel
- Microsoft Defender for Endpoint
- Microsoft Defender XDR
Alternatives to Microsoft Defender for IoT
- Tenable One OT ExposureOT asset discovery, threat detection, and vulnerability management with flexible deployment options.9.2
- CrowdStrike Falcon for XIoTA cloud-based OT security offering for unified asset visibility, risk prioritization and threat protection.9.1
- Kaspersky Industrial CyberSecurity PlatformBroad industrial protocol monitoring and endpoint protection for on-premises OT environments.9.0
See all Microsoft Defender for IoT alternatives →
Microsoft Defender for IoT vs the competition
- Microsoft Defender for IoT vs Tenable One OT Exposure
- Microsoft Defender for IoT vs CrowdStrike Falcon for XIoT
- Microsoft Defender for IoT vs Kaspersky Industrial CyberSecurity Platform
- Microsoft Defender for IoT vs Dragos Platform
- Microsoft Defender for IoT vs Nozomi Networks Platform
- Microsoft Defender for IoT vs Check Point IoT Protect
Compare Microsoft Defender for IoT with any tool side by side →
Used Microsoft Defender for IoT? Be the first to review it
The editor score above is our own research. What this page doesn't have yet is a reader's view — what you used Microsoft Defender for IoT for, what worked and what didn't. No stars are seeded and no review is paid for; an editor reads every one before it appears.
Write a reviewTwo minutes · verified accounts only · read by an editor before it appears
Featured on iTechGuides
Microsoft Defender for IoT is listed in our IoT Security Software directory. Add the badge to your site — it links back to this page.
<a href="https://www.itechguides.com/products/microsoft-defender-for-iot/"><img src="https://www.itechguides.com/best/badge/microsoft-defender-for-iot.svg" alt="Featured on iTechGuides" width="230" height="46"></a>
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
Last updated · How we research and update