Best IoT Security Alternatives ranked by AI · updated Aug 2026

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IoT Security is a cloud-delivered security service for discovering, profiling, monitoring, and protecting connected devices across enterprise and industrial environments. It uses machine learning and network telemetry to identify risky devices, detect threats, and apply policy through Palo Alto Networks security platforms.

Developer: Palo Alto Networks Price: Quote-based 🎯 iotsecurityfoundation.org

🔒 Network Security IoT Security threat detection asset discovery

Top 6 IoT Security alternatives

Armis

💡 Pick it for broader visibility across IoT, OT, medical, and unmanaged devices without deploying agents.

Armis provides an agentless IoT security platform to protect unmanaged and IoT devices from cyber threats.

Pros

Agentless approach
Visibility and control over IoT devices

Cons

Focused on unmanaged devices, may not cover all use cases

Contact for pricing

Alternatives to Armis →

Microsoft Defender for IoT

Microsoft

💡 Choose it if your security operations already run on Microsoft Sentinel and Defender.

Microsoft Defender for IoT provides agentless security monitoring for OT and IoT devices. It integrates asset discovery, vulnerability management, threat detection, and...

Pros

Integrates well with Microsoft Sentinel and Defender security workflows
Agentless monitoring supports many legacy and unmanaged devices
Can reduce tool sprawl for organizations already invested in Microsoft

Cons

Best value usually requires an existing Microsoft security ecosystem
OT-specific depth may be less focused than Dragos or Nozomi Networks
Licensing and deployment models can be difficult to compare

N/A

Alternatives to Microsoft Defender... → Visit site

Forescout Platform

Forescout Technologies

💡 Pick it when agentless discovery and network access control matter more than tight firewall integration.

Forescout Platform provides agentless device discovery, classification, compliance assessment, and automated control across enterprise IT, IoT, OT, and medical environments. It is...

Pros

Very strong visibility across IT, IoT, OT, and unmanaged devices
Broad integrations with network, endpoint, SIEM, and security tools
Useful for complex multivendor environments and regulated industries

Cons

Can require substantial tuning and operational expertise
Pricing is generally oriented toward larger enterprises
Less straightforward for small deployments than cloud NAC products

N/A

Alternatives to Forescout Platform → Visit site

Claroty

💡 Choose it for deep OT, healthcare, and critical-infrastructure visibility rather than general enterprise IoT.

Claroty is an industrial cybersecurity platform that offers visibility, threat detection, and secure remote access for ICS environments.

Pros

Visibility into ICS networks
Secure remote access

Cons

Pricing information not publicly available

Contact for pricing

Alternatives to Claroty →

Nozomi Networks

💡 Pick it for industrial networks where passive monitoring and OT protocol expertise are priorities.

Nozomi Networks offers an industrial cybersecurity solution that provides real-time visibility and threat detection for OT and ICS networks.

Pros

Real-time visibility
Threat detection for OT networks

Cons

Pricing information not publicly available

Contact for pricing

Alternatives to Nozomi Networks →

Tenable OT Security

Tenable

💡 Choose it if you want IoT and OT visibility connected to Tenable's exposure-management ecosystem.

Tenable OT Security provides asset discovery, vulnerability management, and threat detection for operational technology and industrial control networks. It combines passive monitoring...