
Tenable One OT Exposure
Tenable One OT Exposure is web-based software for operational technology security.
What Tenable One OT Exposure is
Tenable One OT Exposure is web-based software for operational technology security. It provides passive monitoring and OT asset discovery, helping organizations observe network activity and identify assets in OT environments. Supported protocols include Modbus, Modbus UMAS, Modbus MODICON, CIP, PROFINET, DNP3, IEC 60870-5-104, MMS, S7/S7+, and IEC 61850. The product also supports SIEM integration. Tenable lists two purchasing options: a standalone subscription and a perpetual license with maintenance. Neither option has a listed price, and each requires one license for every detected IP address. The software is available on the web. Tenable was founded in 2002 and is headquartered in Columbia, Maryland. Its combination of passive monitoring, asset discovery, protocol support, and SIEM integration is aimed at organizations that need visibility into OT assets and activity.
Good
- Provides passive monitoring
- Supports OT asset discovery
- Supports a range of listed OT protocols
- SIEM integration is available
Watch out
- Pricing is on request
- Licensing is one per detected IP address
- Available platform is web
Who it suits
It may suit organizations seeking OT asset discovery and passive monitoring, especially those working with the listed industrial protocols. SIEM integration may be relevant to teams connecting OT visibility with SIEM systems.
Verdict
Tenable One OT Exposure focuses on passive monitoring and OT asset discovery, with support for numerous listed protocols and SIEM integration. Review the per-detected-IP licensing model and request pricing to assess fit.
Plans and prices
From Tenable One OT Exposure's own pricing page, checked 20 Sep 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Standalone subscription | Priced on request | One license for each detected IP address |
| Perpetual/maintenance | Priced on request | One license for each detected IP address |
The facts
Each one read from Tenable One OT Exposure's own pages, with the date it was checked.
The company
- Founded
- 2002checked 23 Sep 2026
- Headquarters
- Columbia, Maryland, United Stateschecked 23 Sep 2026
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