Tofino Security
Tofino Security, a Belden Inc. brand, provided industrial network security appliances and protocol-aware Loadable Security Modules for OT and SCADA environments in critical infrastructure. The Tofino Xenon product line is being discontinued and phased out in favor of Belden's IAF-240 Industrial Firewalls.
- Company typePrivate
- Founded2006
- Headquarters—
- Headcount101–250
- GTM typeB2B
- OfferingHardware or Manufacturing
What Tofino Security does
Tofino Security is an industrial network security brand owned and operated by Belden Inc. (NYSE: BDC), a publicly traded diversified industrial connectivity company. Founded in 2006, Tofino specialized in purpose-built security appliances and protocol-aware enforcement modules for operational technology (OT) environments, serving critical infrastructure operators in power generation (including nuclear), water and wastewater, automotive manufacturing, oil and gas, and chemical processing. Its core offering was the Tofino Xenon hardware appliance paired with Loadable Security Modules (LSMs) that provided deep packet inspection and zone-based segmentation for industrial protocols including GOOSE, EtherNet/IP, and Modbus TCP.
The company's underlying technology centered on a zone-based security architecture that enabled network segmentation and policy enforcement without requiring plant shutdowns—a critical requirement in continuous-process industrial environments. Tofino generated revenue through hardware sales distributed via Belden's global channel of distributors, certified installers, a partner portal, and an online product configurator, targeting enterprise buyers in OT/ICS security roles. Named deployments included Daimler Chrysler, Davis-Besse and Browns Ferry nuclear power plants, and the Maroochy Shire water industry. The brand operated as one of several entries in Belden's Connected Brands portfolio alongside Hirschmann, Lumberg Automation, macmon, ProSoft Technology, and NetModule.
In late 2023 Belden issued a Tofino Xenon Product Discontinuation Notice, with final orders closing December 31, 2025, last deliveries April 30, 2026, and support obligations ending April 30, 2031. The Tofino brand is being phased out in favor of Belden's IAF-240 Industrial Firewalls, which offer layered security, deep visibility, and edge computing in a single rugged device. The discontinuation reflects Belden's strategy to consolidate its cybersecurity offerings under the parent brand rather than maintain separate connected-brand identities. Tofino Security as a standalone operating brand is effectively in wind-down.
Tofino Security firmographics
Firmographics- Name
- Tofino Security
- Legal name
- Tofino Security (brand operated by Belden Inc.)
- Website
- https://tofinosecurity.com
- Company type
- Private
- Founded year
- 2006
- Operating status
- Closed
- Headcount range
- 101–250 employees
- Short description
- Tofino Security, a Belden Inc. brand, provided industrial network security appliances and protocol-aware Loadable Security Modules for OT and SCADA environments in critical infrastructure. The Tofino Xenon product line is being discontinued and phased out in favor of Belden's IAF-240 Industrial Firewalls.
- Ownership category
- akta.pro rank
Tofino Security industry classification
Industry- Product category
- Industrial Network Security
- NAICS
- Computer Systems Design and Related Services (54151), Security Systems Services (except Locksmiths) (561621)
- SIC
- Industrial Instruments For Measurement, Display, And Control (3823), Services-Computer Integrated Systems Design (7373)
- akta.pro primary industry
- Industrial Protocol Security & Deep Packet Inspection (DPI) (HDADAJAH)
- akta.pro secondary industries
- SCADA/ICS Security (DCS/PLC/RTU) & Secure Remote Access (EUADANAB), Microsegmentation & Internal Segmentation Firewalls (ISFW) (HDADABAK)
Keywords
Tofino Security business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Personnel, Operations, Technology or R&D, Marketing or Sales, Supply Chain
Revenue model
- Hardware Security Appliances: Sale of Tofino Xenon industrial security appliances and associated Loadable Security Modules (LSMs). Products have been discontinued as of December 31, 2025, with last delivery date April 30, 2026.
- Successor Product - IAF-240 Industrial Firewalls: Belden IAF-240 Industrial Firewalls represent the next-generation replacement product line, offering layered security, deep visibility, and edge computing in a compact rugged device.
Go-to-market motion1 record
Distribution channels4 records
Marketing channels4 records
Tofino Security product offering
Product offeringCore offering
Tofino Security provided industrial network security and SCADA security hardware appliances designed for operational technology (OT) environments. The core platform, the Tofino Xenon appliance, delivered deep packet inspection and zone-based protection for industrial control networks using Loadable Security Modules (LSMs) for protocol-specific enforcement of GOOSE, EtherNet/IP, and Modbus TCP traffic. With the Tofino Xenon line discontinued (orders closing December 31, 2025), the Belden IAF-240 Industrial Firewall serves as the next-generation replacement, offering layered security, deep visibility, and edge computing in a compact rugged device.
Product overview
Tofino Security provides industrial network security and SCADA security products. The product architecture consists of the Tofino Xenon hardware appliance (now discontinued) as the core security platform, with multiple Loadable Security Modules (LSMs) including Firewall, Modbus TCP Enforcer, EtherNet/IP Enforcer, GOOSE Enforcer, and NetConnect providing protocol-specific security enforcement. The company has transitioned to the IAF-240 Industrial Firewall as its next-generation alternative, offering layered security, deep visibility, and edge computing capabilities in a single rugged device.
Differentiator
Problem solved
Functional benefit
Products and services
- Tofino Xenon Industrial Security Appliance Hardware security appliance providing deep packet inspection and zone-based protection for industrial control networks, supporting Loadable Security Modules (LSMs) for protocol-specific enforcement of GOOSE, EtherNet/IP, and Modbus TCP traffic. Targeted at SCADA/ICS operators in critical infrastructure and industrial manufacturing environments.
- Belden IAF-240 Industrial Firewall Next-generation industrial firewall delivering layered security, deep visibility, and edge computing in a compact rugged device. Replaced the Tofino Xenon as Belden's primary industrial firewall offering for SCADA and OT network protection.
Quantifiable outcome
- Security deployment without requiring plant shutdowns
- +1 more outcomes
Companies that use Tofino Security
Customer profileNamed customers4 records
Segments2 records
Ideal customer profiles2 records
Tofino Security technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature6 records
Tofino Security partnerships and signals
Strategic signalScale indicators2 records
Recent moves4 records
Expansion highlights4 records
Tofino Security competitors and assessment
Company assessmentBroad incumbents
- Fortinet (OT Security): Fortinet is a broad enterprise cybersecurity incumbent that has expanded into OT-specific firewalls and segmentation. Its FortiGate industrial offerings compete with Tofino's industrial firewall positioning while benefiting from a much larger installed base.
- Cisco (Cyber Vision): Cisco provides Cyber Vision for OT visibility and security, integrated with industrial networking gear. As a broad incumbent, Cisco competes with Tofino in industrial protocol visibility and segmentation, especially among converged IT/OT customers.
- Honeywell Forge Cybersecurity: Honeywell provides industrial cybersecurity solutions for process industries and OT environments, integrating with its broader industrial automation portfolio. Comparable to Tofino's positioning with industrial operators and critical infrastructure customers.
- Tenable (OT Security): Tenable offers OT/ICS visibility and vulnerability management within its broader exposure management platform. Comparable to Tofino's industrial-focused security posture, though from a vulnerability-centric rather than firewall-centric angle.
- Siemens (Industrial Security): Siemens offers industrial security products and services, including SCALANCE firewalls and defense-in-depth offerings for its industrial automation installed base. Comparable to Tofino's industrial firewall and protocol-aware OT security, particularly in manufacturing and power customers.
- Palo Alto Networks (OT Security): Palo Alto Networks has expanded into OT/ICS security via its Industrial Defender acquisition and Zero Trust OT offerings. As a large incumbent, it competes with Tofino in industrial firewall and segmentation categories with broader security platform leverage.
Direct peers
- Dragos: Dragos is a specialist OT/ICS cybersecurity vendor offering asset discovery, threat detection, and vulnerability management for industrial control networks. Directly comparable to Tofino's focus on protocol-aware industrial security and zone-based protection for operational environments.
- Nozomi Networks: Nozomi Networks delivers OT and IoT security and visibility, with deep packet inspection of industrial protocols including Modbus, EtherNet/IP, and DNP3. Directly matches Tofino's protocol-aware DPI approach and ICS/SCADA target market.
- Radiflow: Radiflow provides OT cybersecurity for ICS/SCADA and industrial networks, with iSID intrusion detection and industrial firewalls. Strongly comparable to Tofino's zone-based SCADA security appliances, particularly in critical infrastructure.
- Claroty: Claroty provides an OT security platform spanning asset visibility, network protection, and vulnerability management for industrial and critical infrastructure networks. Comparable to Tofino's purpose-built OT security with deep industrial protocol support.
Market position
Strengths4 records
Weaknesses5 records
Competitive moat4 records
Key risks5 records
Key highlights5 records
Customer concentration
Tofino Security social profiles
Digital presenceTofino Security financial estimates
Financial estimateRevenue estimate
Valuation estimate
Tofino Security leadership team
Management profileNumber of profiles
Tofino Security funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Tofino Security M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Tofino Security
What does Tofino Security do?
Tofino Security provided industrial network security and SCADA security hardware appliances designed for operational technology (OT) environments. The core platform, the Tofino Xenon appliance, delivered deep packet inspection and zone-based protection for industrial control networks using Loadable Security Modules (LSMs) for protocol-specific enforcement of GOOSE, EtherNet/IP, and Modbus TCP traffic. With the Tofino Xenon line discontinued (orders closing December 31, 2025), the Belden IAF-240 Industrial Firewall serves as the next-generation replacement, offering layered security, deep visibility, and edge computing in a compact rugged device.
Is Tofino Security a public or private company?
Tofino Security is a private company. It is classified as corporate owned and is currently closed.
When was Tofino Security founded?
Tofino Security was founded in 2006. It employs 101 to 250 people.
How does Tofino Security make money?
Two revenue lines are on record. Hardware Security Appliances are the primary driver. The others are successor Product - IAF-240 Industrial Firewalls.
Who are Tofino Security's main competitors?
Broad incumbents on record are Fortinet (OT Security), Cisco (Cyber Vision), Honeywell Forge Cybersecurity, Tenable (OT Security), Siemens (Industrial Security) and Palo Alto Networks (OT Security). Direct peers are Dragos, Nozomi Networks, Radiflow and Claroty.
Does Tofino Security have an API?
No public API is recorded for Tofino Security.
What industry is Tofino Security in?
Tofino Security's product category is Industrial Network Security. Its primary akta.pro industry code is HDADAJAH, Industrial Protocol Security & Deep Packet Inspection (DPI), with a secondary code of EUADANAB, SCADA/ICS Security (DCS/PLC/RTU) & Secure Remote Access. Its NAICS code is 54151 and its SIC code is 3823.