Head-to-head · OT and ICS Security Monitoring Software

Dragos Platform vs OTDefend

Updated Nov 2026
Both researched from official sources
3 checks side by side

Higher score Dragos Platform #1 in OT and ICS Security Monitoring Software 9.4/10 Pricing on request ✓ 3 of 3 features Visit Dragos

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

Dragos Platform leads on 0 checks, OTDefend on 0, and 3 are even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

Highest scoreDragos Platform · 9.4/10

Dragos Platform scores higher on our rubric for ot and ics security monitoring software: 9.4 against 8.4 out of 10; our editors rank them #1 and #7.

Dragos Platform is the better fit for organizations prioritizing OT threat intelligence. OTDefend is the better fit for air-gapped OT environments.

Dragos Platform fits best
Organizations prioritizing OT threat intelligence
OTDefend fits best
Air-gapped OT environments

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.

Side by side

Show only differences

Feature	Dragos Platform 9.4/10 Visit ↗	OTDefend 8.4/10 Visit ↗
At a glance
Editor score	9.4	8.4
Ranking	#1 in OT and ICS Security Monitoring Software	#7 in OT and ICS Security Monitoring Software
Best for	Organizations prioritizing OT threat intelligence	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	Cloud, Self-hosted	Self-hosted
Platforms	Web	Windows
Support	Email, Phone	Email · 24/7
Integrations	2 integrations	20 integrations
Built for	Mid-market, Enterprise	Mid-market, Enterprise
Features Dragos Platform 3/3 · OTDefend 3/3
Passive monitoring	✓	✓
OT asset discovery	✓	✓
SIEM integration	✓	✓
Specs
Deployment	Not checked yet	On_premises
Supported protocols	600+ industrial and IT 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	Deep packet inspection across 600+ industrial and IT protocols OT threat-intelligence-informed detection and passive monitoring Cloud, on-premises, and hybrid deployment options	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	Pricing requires a contact-sales conversation Deployment planning may span cloud, on-premises, or hybrid environments Its focus is specialized for OT, ICS, and critical infrastructure	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	Dragos Platform is an industrial cybersecurity platform for organizations operating operational technology, industrial control systems, and critical infrastructure. It combines OT asset visibility and inventory with passive 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 →

D Dragos PlatformOT and ICS Security Monitoring Software 9.4Pricing on request
O OTDefendOT and ICS Security Monitoring Software 8.4Pricing on request

Compare the top tools in

Strengths and trade-offs

Dragos Platform — where it wins
- Deep packet inspection across 600+ industrial and IT protocols
- OT threat-intelligence-informed detection and passive monitoring
- Cloud, on-premises, and hybrid deployment options
Where it doesn't
- Pricing requires a contact-sales conversation
- Deployment planning may span cloud, on-premises, or hybrid environments
- Its focus is specialized for OT, ICS, and critical infrastructure
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

Dragos Platform9.4/10 · Pricing on request
A broad OT monitoring platform for threat intelligence, vulnerability management, and response.
Visit Dragos Full verdict →
OTDefend8.4/10 · Pricing on request
A broad on-premises OT security platform for air-gapped industrial environments.
Contact OTDefend Full verdict →

More comparisons

All OT and ICS security monitoring software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Nov 2026

Last updated 14 Nov 2026 · How we research and update