Fortinet FortiGate 61F OT Security Service, 3-Year (FC-10-0061F-159-02-36)

A one-year renewal cycle works for many services, but OT security has a longer operational rhythm. OT devices run on extended maintenance windows, firmware updates are infrequent, and visibility into OT-segment traffic is not something that benefits from annual gaps. The FortiGate 61F 3-Year FortiGuard OT Security Service (FC-10-0061F-159-02-36) locks in OT-aware protection for the FortiGate 61F across 36 months, covering OT device detection, vulnerability correlation, virtual patching, and industrial protocol inspection for the full term. Subscription license only, no hardware, delivered electronically worldwide.

What this service activates

The same OT-specific detection and enforcement layer as the 1-year subscription, running for three years without an annual renewal interruption:

• OT Device Detection: automatic discovery and classification of OT and ICS devices on monitored segments, including PLCs, RTUs, HMIs, engineering workstations, and devices communicating over industrial protocols.
• OT Vulnerability Correlation: published CVEs are matched in real time against detected OT devices, providing a mapped risk picture without requiring manual cross-referencing against separate vulnerability databases.
• OT Virtual Patching: IPS signatures act as compensating controls for OT devices that cannot be updated on a standard IT patch cycle, blocking exploit attempts targeting known vulnerabilities inline while remediation proceeds separately.
• OT Application and IPS Signatures: deep decoders for industrial protocols including Modbus, DNP3, IEC 61850, EtherNet/IP, and others. Application control rules enforce zone communication boundaries and flag out-of-baseline commands.
• OT Dashboards and Compliance Reports: ongoing visibility into OT inventory, anomalies, and policy enforcement across the full three-year term.

Why choose a 3-year term

OT environments change slowly. The FortiGate 61F in a manufacturing cell or utilities substation is likely to stay in place for the duration of a 3-year subscription. Locking the service in for 36 months eliminates the annual administrative overhead of renewal, removes the risk of a coverage gap at a critical juncture, and typically reflects a lower effective monthly cost than three individual 1-year subscriptions. For budget cycles tied to capital expenditure planning, a multi-year subscription aligns the service term to the equipment lifecycle.

OT Security Service vs. the standard bundle tiers

The FortiGuard OT Security Service is a standalone add-on, not included in the ATP, UTP, or Enterprise bundle tiers. It must be purchased alongside whichever base subscription is in place on the FortiGate 61F. Enterprise bundle customers can add this service to extend coverage to OT segments without replacing the bundle.

Activation and delivery

The license is electronic, registered to the specific FortiGate 61F serial number through the Fortinet Support Portal. OT signature databases push automatically for the full 36-month term. No hardware ships. The subscription begins from the activation date and cannot be transferred to a different appliance.

Buying from DataCenter360.ca

DataCenter360.ca is an authorized Fortinet Select Partner. Multi-year subscriptions are ordered through the same checkout process as annual licenses. If you need to pair this 3-year OT Security subscription with a base UTP or Enterprise bundle on the same appliance, we can confirm the combination and process both together. Orders are electronic and fulfilled promptly.