Best Tenable OT Security Alternatives ranked by AI · updated Aug 2026

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Tenable OT Security provides asset discovery, vulnerability management, and threat detection for operational technology and industrial control networks. It combines passive monitoring with Tenable's broader exposure management and risk analytics capabilities.

Developer: Tenable Price: N/A 🎯 tenable.com/products/ot-security

Top 6 Tenable OT Security alternatives

1 IoT Security logo

IoT Security

Palo Alto Networks

IoT Security is a cloud-delivered security service for discovering, profiling, monitoring, and protecting connected devices across enterprise and industrial environments. It uses...

Pros

  • Strong integration with Palo Alto Networks firewalls and security operations tools
  • Uses machine learning for device discovery and behavioral profiling
  • Supports enterprise, healthcare, industrial, and unmanaged-device environments

Cons

  • More expensive and complex than standalone IoT monitoring tools
  • Best value typically requires an existing Palo Alto Networks security stack
  • Advanced deployment may require network redesign and security expertise
2 Dragos logo

Dragos

Dragos

Dragos provides cybersecurity technology and services focused on industrial control systems and operational technology. Its platform emphasizes industrial threat detection, vulnerability management,...

Pros

  • Deepest specialization in industrial control system threat intelligence
  • Strong incident response and adversary-focused security services
  • Purpose-built content for critical infrastructure and industrial operators

Cons

  • Narrower IT and general IoT coverage than Armis or Microsoft Defender for IoT
  • Typically suited to larger organizations with dedicated security teams
  • Pricing and implementation requirements can exceed smaller providers

Bayshore Networks developed cybersecurity software for industrial control systems and operational technology environments. Its technology focused on inspecting, segmenting, and protecting industrial...

Pros

  • Designed specifically for OT and industrial control network traffic
  • Supports network segmentation and protocol-aware inspection
  • Can address legacy industrial systems that are difficult to patch

Cons

  • Standalone Bayshore product availability and branding are unclear after the OPSWAT acquisition
  • Less public product information than Claroty, Dragos, or Nozomi Networks
  • Typically requires enterprise deployment and professional services

Claroty Platform provides cybersecurity and asset visibility for operational technology, industrial control systems, healthcare IoT, and enterprise IoT environments. It combines network...

Pros

  • Broad coverage for OT, IoT, IoMT, and cyber-physical systems
  • Strong passive asset discovery and vulnerability context
  • Includes threat detection and secure remote access capabilities

Cons

  • Enterprise pricing and implementation typically require a sales engagement
  • Broader platform scope can increase deployment complexity
  • May be more extensive than needed for small industrial networks

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

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

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