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Mitsubishi Electric has completed its acquisition of Nozomi Networks. The transaction closed on January 28, 2026, turning Nozomi into a wholly owned Mitsubishi Electric subsidiary while preserving its existing brand, leadership, teams, customer-support structure, partner programs, and vendor-neutral product strategy.
Mitsubishi Electric paid $883 million in cash for the 93% of Nozomi it did not already own. The broader transaction was widely described as being worth approximately $1 billion because Mitsubishi Electric already held a 7% stake.
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The deal in brief
| Item | Details |
|---|---|
| Buyer | Mitsubishi Electric Corporation |
| Target | Nozomi Networks Inc. |
| Agreement announced | September 9, 2025 |
| Transaction closed | January 28, 2026 |
| Mitsubishi Electric’s existing stake | 7% |
| Interest acquired | 93% |
| Cash purchase price | $883 million for the remaining shares |
| Commonly reported total value | Approximately $1 billion, including the existing stake |
| Post-close structure | Nozomi is a wholly owned subsidiary operating independently |
Mitsubishi Electric’s announcement describes the $883 million payment for the shares it did not already own. That figure should not be confused with a $1 billion cash payment.
How the acquisition unfolded
- March 2024: Mitsubishi Electric participated in Nozomi Networks’ $100 million Series E financing round.
- September 9, 2025: The companies announced a definitive agreement for Mitsubishi Electric to acquire the remaining 93% of Nozomi.
- January 28, 2026: The transaction closed, giving Mitsubishi Electric 100% ownership.
The acquisition was therefore no longer pending as of January 28, 2026. The companies’ post-closing announcements say Nozomi continues under its existing name and operating model.
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What Nozomi Networks does
Nozomi provides cybersecurity technology for operational technology (OT), industrial control systems (ICS), the Internet of Things (IoT), and cyber-physical systems (CPS). Its platform is designed to help organizations identify assets, monitor industrial networks and endpoints, detect threats, assess vulnerabilities and risk, and support security operations.
Its customers and target sectors include manufacturing, utilities, energy, transportation, water, healthcare, mining, maritime, government, and other industrial or critical-infrastructure environments. The company describes its platform and capabilities in its acquisition announcement and platform overview.
Why OT security differs from ordinary IT security
Traditional IT security often prioritizes protecting data, identities, applications, and business endpoints. OT security also has to protect systems that control physical processes and machinery.
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The terms used in this market overlap but are not identical:
- OT: Technology used to monitor or control physical operations.
- ICS: Industrial control systems, including the hardware and software used to control industrial processes.
- IoT: Network-connected devices and sensors, which may sit outside traditional control architectures.
- CPS: Systems in which software, networks, and physical processes interact.
Why Mitsubishi Electric bought Nozomi
Adding a specialist OT-security platform
Mitsubishi Electric already supplies industrial automation, factory, energy, transportation, and infrastructure technology. Nozomi adds a dedicated cybersecurity software business focused on the connected operational environments where those systems are deployed.
Combining industrial reach with security software
Mitsubishi Electric brings industrial customers, installed equipment, engineering relationships, field-service capabilities, and a global sales footprint. Nozomi brings OT, IoT, and CPS-security technology, security research, product-engineering expertise, and experience supporting heterogeneous, multi-vendor environments.
The strategic objective is broader than protecting Mitsubishi Electric equipment alone. The companies have emphasized a more comprehensive OT-security offering covering industrial equipment, systems, data, and security, while maintaining Nozomi’s vendor-neutral positioning.
Supporting digital transformation
As factories, utilities, transport systems, and other physical operations become more connected, operational data and cybersecurity become closely linked. Mitsubishi Electric has framed the acquisition as a way to strengthen digital transformation, operational resilience, and the use of data and AI in industrial environments.
Those are strategic aims, not guaranteed results. The acquisition itself does not prove that future products will be bundled, that detection will automatically improve, or that customers will receive a single integrated platform.
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What remains independent
Public commitments from Mitsubishi Electric and Nozomi say that Nozomi will retain:
- Its name and brand
- Its leadership and engineering teams
- Its San Francisco headquarters
- Research and development in Mendrisio, Switzerland
- Existing offices and points of contact
- Customer support and product roadmaps
- Partner programs
- Vendor-neutral, multi-vendor technology
- Independent go-to-market operations
“Independent” does not mean independently owned. Nozomi is wholly owned by Mitsubishi Electric. It means the company is being maintained as a separately operated subsidiary under the commitments publicly described by the two companies.
Mitsubishi Electric also published customer-interest commitments covering autonomy, technological openness, and vendor agnosticism.
What the acquisition means for customers and partners
The immediate public message is continuity. The companies have not announced a forced migration, product discontinuation, change to customer contacts, restriction to Mitsubishi Electric equipment, or abandonment of Nozomi’s vendor-neutral approach.
That does not settle every long-term commercial question. Existing customers should distinguish current commitments from outcomes that may emerge at future renewals or as the integration develops.
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Customer review checklist
- Has the legal contracting entity changed?
- Are current licenses and support agreements still valid?
- Will renewal quotes come from Nozomi or Mitsubishi Electric?
- Are data-processing terms and data-access rights unchanged?
- Is telemetry still stored in the same regions?
- Are support contacts and escalation paths unchanged?
- Do integrations with third-party industrial equipment remain supported?
- Has the product roadmap changed?
- Are partner discounts, referral terms, and managed-service arrangements unchanged?
- Does the acquisition require a new privacy, security, or procurement review?
Organizations that operate sensitive infrastructure should also review confidentiality, telemetry access, data governance, and separation-of-duty arrangements—particularly if they buy equipment from Mitsubishi Electric’s competitors.
The financial structure behind the “$1 billion” figure
The headline value requires careful interpretation:
- Mitsubishi Electric owned 7% of Nozomi before the acquisition.
- It agreed to acquire the remaining 93%.
- The official cash purchase price for those remaining shares was $883 million.
- The approximately $1 billion figure includes the value attributed to Mitsubishi Electric’s existing equity stake.
Equity value, enterprise value, the cash consideration for newly acquired shares, and the value of an existing investment are not interchangeable. Unless a source specifies otherwise, the most precise description is that Mitsubishi Electric paid $883 million in cash for the remaining 93%, in a transaction commonly valued at approximately $1 billion overall.
Nozomi’s reported scale
Mitsubishi Electric’s completion filing reported that Nozomi had 336 employees as of December 2025. It reported revenue of:
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The filing indicates that Nozomi had surpassed $100 million in annual revenue before the acquisition closed. It also provides a clearer picture of the company’s scale than the transaction headline alone. See the completion filing for the reported figures.
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What the deal says about the OT-security market
The acquisition reflects the growing strategic value of cybersecurity for industrial companies. More equipment is connected to corporate networks, cloud services, remote-access systems, and data platforms, increasing the need for visibility and security controls that understand physical operations.
Industrial buyers increasingly want asset inventory, vulnerability context, network monitoring, threat detection, and incident response to work together. Industrial-equipment makers may also want deeper control over the security capabilities surrounding their installed base rather than relying entirely on external specialists.
For Nozomi, Mitsubishi Electric could provide additional capital, geographic reach, industrial relationships, and access to multinational infrastructure operators. For Mitsubishi Electric, the deal offers a faster route into specialist OT cybersecurity than building an equivalent business entirely in-house.
The trade-off is consolidation. ABI Research described the transaction as one of the largest in the OT-security market and pointed to broader consolidation pressure among OT-focused providers. Consolidation can bring resources and distribution, but customers may also worry about vendor neutrality, competitive sensitivity, partner economics, and reduced choice.
Benefits and risks
Potential advantages
- More resources for Nozomi’s product development and research
- Broader geographic support and distribution
- Closer alignment between industrial engineering and cybersecurity expertise
- Potentially stronger services for multinational industrial operators
- Greater strategic emphasis on OT-security products and services
Risks to monitor
- Vendor-neutrality risk: Customers may question whether a Mitsubishi Electric-owned provider will remain equally neutral across competing equipment brands.
- Integration risk: Sales conflicts, overlapping products, slower decisions, or more complicated support could emerge.
- Customer-concentration risk: Organizations may reassess who can access industrial telemetry and sensitive operational information.
- Commercial uncertainty: Pricing, packaging, licensing, channel economics, and renewal terms may change over time.
The companies have explicitly committed to vendor agnosticism and operational continuity. Those commitments are important, but their durability is something customers and partners will evaluate through future roadmaps, contracts, support experiences, and product behavior.
What to watch next
- New Mitsubishi Electric and Nozomi product integrations
- Changes to pricing, packaging, or licensing
- Partner-program and managed-service terms
- Support escalation and account-management changes
- Expansion into Asia and other industrial markets
- Customer-retention and renewal trends
- Whether Nozomi continues to support heterogeneous, non-Mitsubishi environments on equal terms
- Further acquisitions in OT and industrial cybersecurity
Who should evaluate Nozomi—and who may not need it?
Nozomi is relevant to organizations with manufacturing operations, utilities, industrial control systems, connected physical assets, large IoT fleets, or critical operational environments. Buyers may evaluate its capabilities in asset visibility, passive monitoring, threat detection, vulnerability and risk management, incident response, cloud management, and professional services.
It may be excessive for a small office-IT environment with no industrial-control, manufacturing, utility, IoT-fleet, or physical-process security requirement. Such organizations may need conventional endpoint, identity, email, or network protection instead.
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Alternatives buyers may compare
| Provider | Potential fit | Key consideration |
|---|---|---|
| Dragos | OT threat intelligence, incident response, and critical-infrastructure defense | May be more than needed for a lightweight asset-discovery requirement |
| Claroty | Broad cyber-physical-system protection and exposure management | May require an enterprise-scale budget and services engagement |
| Microsoft Defender for IoT | Organizations standardized on Microsoft, Azure, Defender, and Sentinel | May be less suitable where deep OT specialization or minimal hyperscaler dependence is essential |
| Tenable OT Security | Asset inventory, exposure management, and vulnerability visibility | May not provide the desired full OT threat-operations ecosystem |
| Forescout | Mixed IT, OT, and IoT device visibility and network control | May not match buyers seeking the deepest OT-native threat intelligence |
Comparison should focus on passive monitoring, active-scanning safety, sensor placement, protocol coverage, cloud hosting, data residency, integrations, incident response, managed services, and support for non-Mitsubishi equipment—not simply on the acquisition headline.
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