Armis Centrix for OT/IoT Security vs Tenable One OT Exposure

ACArmis Centrix for OT/IoT Security9.3Visit Tenable One OT Exposure9.1Visit

Higher score AC Armis Centrix for OT/IoT Security #2 in OT and ICS Security Monitoring Software 9.3/10 Pricing on request ✓ 3 of 3 features Visit Armis

vs

Tenable One OT Exposure #4 in OT and ICS Security Monitoring Software 9.1/10 Pricing on request ✓ 3 of 3 features Contact Tenable

• Armis Centrix for OT/IoT Security fits best

  Enterprise OT/IoT teams needing broad coverage

• Tenable One OT Exposure fits best

  Teams needing OT exposure and vulnerability management

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Side by side

Feature	ACArmis Centrix for OT/IoT Security 9.3/10 Visit ↗	Tenable One OT Exposure 9.1/10 Visit ↗
At a glance
Editor score	9.3	9.1
Ranking	#2 in OT and ICS Security Monitoring Software	#4 in OT and ICS Security Monitoring Software
Best for	Enterprise OT/IoT teams needing broad coverage	Teams needing OT exposure and vulnerability management
Pricing model	Paid	Paid
Starting price	Pricing on request	—
Free plan	Not checked yet	Not checked yet
Free trial	—	—
Deployment	Cloud, Self-hosted	Cloud, Self-hosted
Platforms	Web	Web
Support	Email, Phone	Docs
Integrations	200+ integrations	6 integrations
Built for	Enterprise, Mid-market	Mid-market, Enterprise
Features Armis Centrix for OT/IoT Security 3/3 · Tenable One OT Exposure 3/3
Passive monitoring	✓	✓
OT asset discovery	✓	✓
SIEM integration	✓	✓
Specs
Deployment	Not checked yet	Not checked yet
Supported protocols	S7Comm, CIP, SNMP, BACnet, Modbus, WMI, HTTP, DNP3, IEC 60870-5-104, Profinet	Modbus, Modbus UMAS, Modbus MODICON, CIP, PROFINET, DNP3, IEC 60870-5-104, MMS, S7/S7+, IEC 61850
Asset limit	Not checked yet	Not checked yet
Our review
Pros	Passive monitoring plus safe active queries for asset discovery Risk prioritization, anomaly detection, and automated enforcement Cloud, on-premises, and hybrid deployment with many integrations	Passive inspection plus Safe Active Querying supports OT asset visibility VPR-based vulnerability management prioritizes risk across discovered assets Integrates with SIEM, SOAR, firewall, and ticketing platforms
Cons	Pricing requires contacting Armis sales The platform may exceed the needs of narrowly focused teams Its feature breadth can require coordination across security and IT tools	Pricing requires working with a Tenable representative Assets are licensed by detected IP address Safe Active Querying uses native controller protocols
Our verdict	Armis Centrix for OT/IoT Security is an agentless cybersecurity platform for industrial, operational technology, IoT, and cyber-physical environments. It is designed for manufacturers, utilities, transportation companies, healthcare… Read the review →	Tenable One OT Exposure monitors industrial control system environments for cyber threats, configuration changes, vulnerabilities, and anomalous activity. It is designed for security teams and OT engineers responsible for converged IT/OT… Read the review →

Strengths and trade-offs

• Armis Centrix for OT/IoT Security — where it wins

  • Passive monitoring plus safe active queries for asset discovery
  • Risk prioritization, anomaly detection, and automated enforcement
  • Cloud, on-premises, and hybrid deployment with many integrations

  Where it doesn't

  • Pricing requires contacting Armis sales
  • The platform may exceed the needs of narrowly focused teams
  • Its feature breadth can require coordination across security and IT tools

• Tenable One OT Exposure — where it wins

  • Passive inspection plus Safe Active Querying supports OT asset visibility
  • VPR-based vulnerability management prioritizes risk across discovered assets
  • Integrates with SIEM, SOAR, firewall, and ticketing platforms

  Where it doesn't

  • Pricing requires working with a Tenable representative
  • Assets are licensed by detected IP address
  • Safe Active Querying uses native controller protocols

• ACArmis Centrix for OT/IoT Security9.3/10 · Pricing on request

  A broad agentless platform for discovering, monitoring, and prioritizing OT/IoT risk.

  Visit ArmisFull verdict →
• Tenable One OT Exposure9.1/10 · Pricing on request

  A broad OT security platform combining asset discovery, threat detection, and vulnerability management.

  Contact TenableFull verdict →