Claroty CTD vs OTDefend

Claroty CTD8.9Visit OOTDefend8.4Visit

Higher score Claroty CTD #5 in OT and ICS Security Monitoring Software 8.9/10 Pricing on request ✓ 3 of 3 features Visit Claroty

vs

O OTDefend #7 in OT and ICS Security Monitoring Software 8.4/10 Pricing on request ✓ 3 of 3 features Contact OTDefend

• Claroty CTD fits best

  On-premises OT security teams

• OTDefend fits best

  Air-gapped OT environments

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Side by side

Feature	Claroty CTD 8.9/10 Visit ↗	OOTDefend 8.4/10 Visit ↗
At a glance
Editor score	8.9	8.4
Ranking	#5 in OT and ICS Security Monitoring Software	#7 in OT and ICS Security Monitoring Software
Best for	On-premises OT security teams	Air-gapped OT environments
Pricing model	Paid	Paid
Starting price	Pricing on request	Pricing on request
Free plan	Not checked yet	Not checked yet
Free trial	—	—
Deployment	Self-hosted	Self-hosted
Support	Tickets	Email · 24/7
Integrations	7 integrations	20 integrations
Built for	Mid-market, Enterprise	Mid-market, Enterprise
Features Claroty CTD 3/3 · OTDefend 3/3
Passive monitoring	✓	✓
OT asset discovery	✓	✓
SIEM integration	✓	✓
Specs
Deployment	On_premises	On_premises
Supported protocols	Modbus, DNP3, CIP, OPC UA, 450+ industrial protocols	Modbus (TCP and RTU), S7comm, DNP3, EtherNet/IP, IEC-104, IEC 61850, PROFINET, EtherCAT, POWERLINK, CC-Link IE, OPC UA, BACnet, FINS, MELSEC, HART-IP
Asset limit	Not checked yet	Not checked yet
Our review
Pros	Passive monitoring avoids generating additional OT network traffic. Combines passive, active, and AppDB asset discovery. Supports 450+ industrial protocols and SIEM integrations.	Supports passive deep-packet inspection and automatic OT asset profiling Maps industrial networks to topology and Purdue zones Connects with SIEM, EDR, firewall, ticketing and threat-intelligence tools
Cons	Deployment is on-premises rather than cloud-based. Pricing requires contacting Claroty sales. Its broad feature set may exceed narrow monitoring needs.	Pricing requires contacting sales or requesting a demo Windows is the listed platform Some hosts may require a Windows endpoint agent beyond network monitoring
Our verdict	Claroty Continuous Threat Detection (CTD) is an on-premises cybersecurity platform for industrial, government, and other operational technology environments. It is designed for OT security teams that need asset inventory, network… Read the review →	OTDefend is an on-premises cybersecurity platform for operational technology and industrial control system environments. It is designed for industrial facilities and critical infrastructure operators across energy, manufacturing, water,… Read the review →

Strengths and trade-offs

• Claroty CTD — where it wins

  • Passive monitoring avoids generating additional OT network traffic.
  • Combines passive, active, and AppDB asset discovery.
  • Supports 450+ industrial protocols and SIEM integrations.

  Where it doesn't

  • Deployment is on-premises rather than cloud-based.
  • Pricing requires contacting Claroty sales.
  • Its broad feature set may exceed narrow monitoring needs.

• OTDefend — where it wins

  • Supports passive deep-packet inspection and automatic OT asset profiling
  • Maps industrial networks to topology and Purdue zones
  • Connects with SIEM, EDR, firewall, ticketing and threat-intelligence tools

  Where it doesn't

  • Pricing requires contacting sales or requesting a demo
  • Windows is the listed platform
  • Some hosts may require a Windows endpoint agent beyond network monitoring

• Claroty CTD8.9/10 · Pricing on request

  A broad on-premises OT monitoring platform for asset visibility, detection, and exposure management.

  Visit ClarotyFull verdict →
• OOTDefend8.4/10 · Pricing on request

  A broad on-premises OT security platform for air-gapped industrial environments.

  Contact OTDefendFull verdict →