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# Securing OT Infrastructure: 10 Transformative Use Cases

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By [Keith Higgins](https://www.paloaltonetworks.com/blog/author/keith-higgins/?ts=markdown "Posts by Keith Higgins")  
Mar 04, 2026  
8 minutes  
[Industrial OT Security](https://www.paloaltonetworks.com/blog/network-security/category/industrial-ot-security/?ts=markdown)  
[Uncategorized](https://www.paloaltonetworks.com/blog/category/uncategorized/?ts=markdown)  
[industrial ot](https://www.paloaltonetworks.com/blog/tag/industrial-ot/?ts=markdown)  
[OT security](https://www.paloaltonetworks.com/blog/tag/ot-security/?ts=markdown)

Operational technology (OT) and industrial environments, once isolated and air-gapped, are now tightly interconnected with IT networks, cloud services and partner ecosystems. While this convergence enables efficiency, scale and modernization, it also expands the attack surface for organizations across manufacturing, healthcare, transportation, energy and utilities.

In industrial environments, cyber incidents extend far beyond data loss. They can result in production downtime, equipment damage, safety risks, environmental impact and operational disruption. As a result, OT security is increasingly viewed not as a niche discipline or compliance requirement, but as a foundational component of resilient, reliable operations.

# The Business Impact of OT Security Investments

Against this backdrop, a recent [Omdia report](https://www.paloaltonetworks.com/resources/research/analyzing-the-economic-benefits-of-ot-device-security?ts=markdown) commissioned by Palo Alto Networks modeled the business impact of OT security investments, demonstrating a 384% return on investment alongside meaningful reductions in operational risk and security effort. The findings underscore a broader shift in how organizations approach OT security: as an enabler of uptime, safety and business continuity across industrial operations.

# A Purpose-Built OT Security Platform

Our OT security platform is designed for the unique demands of industrial environments. It provides continuous asset visibility, contextual risk management and segmentation, advanced threat prevention and intelligent automation to reduce operational risk at scale. Rather than applying generic IT controls, the platform aligns security across IT and OT environments while respecting the availability, safety and operational constraints of industrial systems. This enables organizations to move from fragmented point solutions to a more unified, operationally aligned approach to security.

[Palo Alto Networks OT Device Security](https://www.paloaltonetworks.com/network-security/ot-device-security?ts=markdown) has been recognized by multiple independent industry analysts. In 2025, we were named as an Overall Leader in the [KuppingerCole Leadership Compass for Secure Remote Access for OT/ICS](https://www.paloaltonetworks.com/blog/network-security/a-leader-in-secure-remote-access-for-ot-ics/?ts=markdown), and a Leader in the Frost Radar for OT Cybersecurity Solutions.

# Where OT Security Drives Measurable Outcomes

Across industrial environments, a focused set of OT security use cases consistently delivers measurable business outcomes.

1. Continuous Asset Visibility \& Inventory

-------------------------------------------

**Use Case:** Automatically discover and classify all connected OT assets, including devices, controllers, sensors and applications, across vendors and protocols. Maintain a continuously updated inventory that extends beyond what traditional Configuration Management Databases capture.

### Business Outcome

* **Reduced Risk of Unknowns:** Eliminates blind spots, ensuring no critical OT asset remains unprotected.
* **Improved Compliance:** Provides accurate asset inventories that support regulatory requirements and reduce audit friction.
* **Faster Incident Response:** Enables rapid investigation and containment by clearly identifying what is on the network.

2. Contextual Risk Management for OT Exposure and Vulnerabilities

-----------------------------------------------------------------

\*\*Use Case:\*\*Identify vulnerabilities across OT devices and systems, including legacy and unpatchable assets. Prioritize remediation based on operational criticality, exploitability and environmental context. Apply risk-based compensating controls, including virtual patching, to reduce exposure while preserving system availability.

### Business Outcome

* **Prioritized Risk Reduction:** Focuses remediation and mitigation efforts on the most critical risks by incorporating asset criticality, exploitability and operational context into decision-making.
* \*\*Protection for Unpatchable Systems:\*\*Reduces exposure through compensating controls such as virtual patching and risk-based policy enforcement, enabling secure operation of legacy and high availability assets.
* \*\*Improved Operational Stability:\*\*Mitigates risk without requiring disruptive patching cycles or downtime, preserving system availability and process integrity.

3. Advanced Threat Detection \& Prevention Across Industrial Protocols

----------------------------------------------------------------------

**Use Case:** Leverage deep packet inspection, behavioral analytics and anomaly detection to identify known and unknown threats across industrial protocols (e.g., Modbus, DNP3, Ethernet/IP, Siemens S7). Detect malicious activity, unsafe commands and deviations from expected operational behavior that may indicate compromise, misuse, or early-stage attacks.

### Business Outcome

* \*\*Prevented Production Downtime:\*\*Stops malware, ransomware and protocol-level attacks before operational impact through inline detection and prevention across industrial traffic.
* \*\*Earlier Detection of OT-Specific Threats:\*\*Identifies unsafe commands and behavioral deviations across industrial protocols that traditional IT-based tools often miss.
* \*\*Reduced Financial Losses:\*\*Avoids costs associated with incident response, remediation and lost productivity by preventing threats earlier in the attack lifecycle.

4. Context-Aware Segmentation \& Microsegmentation for OT

---------------------------------------------------------

\*\*Use Case:\*\*Isolate critical OT zones, individual assets and communication paths through granular policy enforcement based on device behavior, approved interactions and operational context. Continuously monitor traffic for anomalous activity that signals policy violations, misconfigurations or potential compromise, limiting lateral movement from IT networks or between OT segments while preserving operational continuity.

### Business Outcome

* **Minimized Blast Radius:** Contains threats within tightly controlled zones by enforcing segmentation based on device identity, behavior and approved communication patterns.
* **Enforced Operational Safety and Integrity:** Prevents unauthorized or unsafe commands that could disrupt operations, damage equipment or place systems into unsafe states.
* **Improved Resiliency:** Maintains continuity by isolating affected segments without disrupting broader operations.

5. Secure Remote Access with Granular Control

---------------------------------------------

**Use Case:** Provide secure, authenticated and granularly controlled remote access to OT systems for employees, vendors and partners, including access that traverses partner networks or supports cloud-hosted OT applications. Replace flat VPN access and direct internet exposure with least-privileged access that is governed within existing OT network segmentation.

### Business Outcome

* **Reduced Operational Costs:** Eliminates the need for costly on-site visits for routine maintenance or troubleshooting.
* **Enhanced Security Posture:** Closes a major attack vector often exploited in OT breaches.
* **Improved Efficiency:** Enables faster response times for remote support and maintenance.

6. Converged IT and OT Security

-------------------------------

**Use Case:** Extend consistent security policies and visibility across both IT and OT networks, bridging the gap between historically disparate security teams and tools.

### Business Outcome

* **Unified Security Posture:** Eliminates gaps at the IT/OT boundary by applying consistent visibility and control across environments.
* \*\*Streamlined Operations:\*\*Reduces operational complexity by enabling consistent control and simplified management across IT and OT environments.
* \*\*Consistent Policy Enforcement Across IT and OT:\*\*Aligns and enforces security policies across IT and OT environments in a way that reflects operational context and safety requirements, reducing misconfigurations and security gaps at the IT/OT boundary.

7. Compliance, Governance and Risk Assurance

--------------------------------------------

**Use Case:** Generate detailed reports on asset inventory, vulnerabilities, security incidents and policy adherence, helping organizations meet industry regulations and standards (e.g., NERC CIP, NIST, HIPAA, ISA/IEC 62443). Provide defensible, auditable evidence of security controls and risk management practices across OT environments.

### Business Outcome

* **Simplified Audits:** Provides clear, consistent documentation to support regulatory and internal audits.
* **Reduced Regulator Exposure:** Helps organizations demonstrate adherence to applicable standards and governance requirements.
* **Improved Insurability and Risk Posture:** Supports cyber insurance underwriting and renewal discussions by providing verifiable evidence of controls, visibility and ongoing risk management.

8. Supply Chain and Device Security

-----------------------------------

**Use Case:** Manage risk introduced through the OT supply chain and connected ecosystem, including third-party and vendor-supplied devices, contractor-owned and BYOD endpoints, partner-connected networks and device-level risk such as aging hardware, unsupported firmware and insecure configurations. Apply visibility and segmentation controls to limit exposure without disrupting operations.

### Business Outcome

* **Reduced Supply Chain Risk:** Limits exposure from vendor-supplied devices and external dependencies by extending visibility and control across the connected ecosystem.
* **Reduced Third-Party Access Risk:** Applies consistent security boundaries to contractor, vendor and partner connectivity without disrupting operational workflows.
* **Improved Device Hygiene:** Identifies aging hardware, unsupported firmware and insecure configurations that increase operational and security risk.

9. AI-Powered Device Posture and Proactive Defense

--------------------------------------------------

Use Case: Continuously analyze device identity, posture and behavior across managed and unmanaged assets using machine learning and crowdsourced intelligence from millions of devices. Establish dynamic behavioral baselines and automatically detect deviations that indicate elevated risk. Apply risk-adaptive Layer 7 policies and inline threat prevention through existing network infrastructure to block threats before they can move laterally.

### Business Outcome

* \*\*Continuous Risk Prioritization at Scale:\*\*Continuously reassesses device risk using AI-driven analysis that incorporates identity, behavior and environmental context across managed and unmanaged assets.
* \*\*Automated Policy Enforcement and Risk Mitigation:\*\*Translates insights into action by dynamically applying risk-adaptive policies across the environment without requiring manual intervention.
* \*\*Reduced Operational Complexity:\*\*Eliminates manual processes across asset classification, risk analysis and policy management by unifying visibility, prioritization and enforcement within a single platform.

10. Incident Response and Forensics for OT

------------------------------------------

**Use Case:** Provide detailed logs, traffic captures and contextual information specific to OT environments to accelerate incident investigation and response, understanding the root cause and impact of security events.

### Business Outcome

* **Faster Recovery Times:** Minimizes the duration and impact of security incidents.
* **Improved Post-Incident Analysis:** Enables organizations to learn from incidents and strengthen defenses.
* **Reduced Costs:** Decreases the financial burden of incident investigation and recovery.

# OT Security as a Strategic Investment in Resilience

Industrial operations are foundational to how the modern world functions, and their security is critical to maintaining that foundation. As OT environments continue to evolve and connect, organizations need security that protects what matters most while enabling efficiency, resilience and continued modernization. Investing in OT security is not simply a defensive measure, but a strategic investment in uptime, safety and the long-term resilience of industrial operations.

*** ** * ** ***

## Related Blogs

### [AI Security](https://www.paloaltonetworks.com/blog/category/ai-security/?ts=markdown), [Industrial OT Security](https://www.paloaltonetworks.com/blog/network-security/category/industrial-ot-security/?ts=markdown), [Zero Trust Security](https://www.paloaltonetworks.com/blog/network-security/category/zero-trust-security/?ts=markdown)

[#### Prisma AIRS on NVIDIA BlueField Secures the Industrial Edge](https://www.paloaltonetworks.com/blog/network-security/prisma-airs-on-nvidia-bluefield-secures-the-industrial-edge/)

### [Industrial OT Security](https://www.paloaltonetworks.com/blog/network-security/category/industrial-ot-security/?ts=markdown), [Secure the Enterprise](https://www.paloaltonetworks.com/blog/category/secure-the-enterprise/?ts=markdown)

[#### Navigating the TSA Cybersecurity Directive for OT Compliance](https://www.paloaltonetworks.com/blog/network-security/navigating-the-tsa-cybersecurity-directive-for-ot-compliance/)

### [Industrial OT Security](https://www.paloaltonetworks.com/blog/network-security/category/industrial-ot-security/?ts=markdown), [Secure the Enterprise](https://www.paloaltonetworks.com/blog/category/secure-the-enterprise/?ts=markdown)

[#### How OT Connectivity Is Changing the Security Landscape](https://www.paloaltonetworks.com/blog/network-security/how-ot-connectivity-is-changing-the-security-landscape/)

### [Announcement](https://www.paloaltonetworks.com/blog/category/announcement/?ts=markdown), [Industrial OT Security](https://www.paloaltonetworks.com/blog/network-security/category/industrial-ot-security/?ts=markdown), [IoT Security](https://www.paloaltonetworks.com/blog/network-security/category/iot-security/?ts=markdown), [Products and Services](https://www.paloaltonetworks.com/blog/category/products-and-services/?ts=markdown)

[#### Forrester Names Palo Alto Networks a Leader in OT Security](https://www.paloaltonetworks.com/blog/2024/06/forrester-names-leader-in-ot-security/)

### [Announcement](https://www.paloaltonetworks.com/blog/category/announcement/?ts=markdown), [Industrial OT Security](https://www.paloaltonetworks.com/blog/network-security/category/industrial-ot-security/?ts=markdown), [IoT Security](https://www.paloaltonetworks.com/blog/network-security/category/iot-security/?ts=markdown), [Products and Services](https://www.paloaltonetworks.com/blog/category/products-and-services/?ts=markdown), [Zero Trust Security](https://www.paloaltonetworks.com/blog/network-security/category/zero-trust-security/?ts=markdown)

[#### Untangling IT-OT Security Knots with a Zero Trust Platform Approach](https://www.paloaltonetworks.com/blog/2024/05/untangling-it-ot-security-knots/)

### [IoT Security](https://www.paloaltonetworks.com/blog/network-security/category/iot-security/?ts=markdown), [Uncategorized](https://www.paloaltonetworks.com/blog/category/uncategorized/?ts=markdown)

[#### Palo Alto Networks Surveys the State of OT Security](https://www.paloaltonetworks.com/blog/network-security/state-of-ot-security-2024/)

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