Tenable One OT Exposure is web-based software for operational technology security. It uses passive monitoring to observe activity in OT environments and discovers OT assets on those networks. Supported protocols include Modbus, Modbus UMAS, Modbus MODICON, CIP, PROFINET, DNP3, IEC 60870-5-104, MMS, S7/S7+, and IEC 61850. SIEM integration connects the product with security information and event management workflows. Tenable lists two purchase choices: a standalone subscription and a perpetual license with maintenance. Both use one license for each detected IP address, while pricing is available on request. The product is offered by Tenable, founded in 2002 and headquartered in Columbia, Maryland, United States. Its listed platform is the web, keeping the focus on browser-based visibility into OT assets and network activity.
Who it is for
It suits organizations that need passive visibility into operational technology networks and discovered OT assets. Teams using SIEM tools can connect that monitoring to existing security workflows.
What is good
- Passively monitors OT network activity
- Discovers assets in OT environments
- Supports numerous industrial protocols
- Offers SIEM integration
- Provides subscription and perpetual options
What to know first
- Pricing is available only on request
- Licensing is tied to detected IP addresses
- No platform other than web is listed
Verdict
Tenable One OT Exposure focuses on passive OT monitoring, asset discovery, broad protocol coverage, and SIEM connectivity. Its licensing model counts detected IP addresses, so buyers should understand that basis before selecting a subscription or perpetual option.
Tenable One OT Exposure plans and pricing
All plansCompared on OT and ICS security monitoring software
- Passive monitoring
- Yes
- OT asset discovery
- Yes
- Supported protocols
- Modbus, Modbus UMAS, Modbus MODICON, CIP, PROFINET, DNP3, IEC 60870-5-104, MMS, S7/S7+, IEC 61850
- SIEM integration
- Yes
