Building Consensus: Making the Business Case for OT Security

LinkedIn: Hillstrong Group Security

Author’s LinkedIn: Roger Hill

Operational technology (OT) security has moved beyond being just a technical concern—it’s a critical business priority. For CISOs and CIOs, the challenge isn’t just identifying risks; it’s building the internal consensus needed to secure investments, align strategies, and drive meaningful change. Success hinges on connecting OT security to business value, operational goals, and long-term resilience.

This chapter delves into how to make a compelling case for OT security, framed in terms that resonate with C-suite stakeholders. By emphasizing the operational mission and aligning security initiatives with core business drivers, CISOs and CIOs can bridge organizational silos and drive effective collaboration.

Framing OT Security as Business-Critical

To build consensus, the conversation must move away from technical jargon and focus on what matters most to the organization: ensuring safety, sustaining operations, and protecting revenue. OT security must be framed as integral to the company’s operational mission, which typically includes:

• Human Safety: Protecting employees and contractors from harm caused by compromised systems or malicious actors.

• Environmental Stewardship: Ensuring systems remain secure to prevent incidents that could result in ecological damage or regulatory penalties.

• Production Continuity: Safeguarding uptime to avoid disruptions impacting supply chains and customer commitments.

• Product Integrity: Protecting the quality of goods and ensuring they meet standards to avoid recalls or reputational harm.

• Data Protection: Ensuring operational and production data remain secure and accurate to maintain decision-making integrity.

A critical part of this narrative is showing how OT security protects these pillars. For example, could you highlight how segmentation prevents ransomware from propagating through the network, safeguarding production schedules, and protecting sensitive data? By tying technical controls to tangible business outcomes, security leaders can make OT security relatable to their peers in operations and finance.

Engaging Stakeholders Across the Organization

For CISOs and CIOs, stakeholder engagement is not optional—it’s foundational. Building consensus means meeting leaders where they are, addressing their concerns, and framing security as a shared responsibility. Key stakeholder groups include:

• CFOs: Focused on ROI, cost efficiency, and avoiding unplanned financial hits. For them, emphasize the cost of inaction—lost revenue, regulatory fines, or reputational harm—compared to the investment in proactive measures.

• COOs and Plant Managers: Concerned with uptime, productivity, and efficiency. Highlight how OT security minimizes operational disruptions and enables sustained production.

• Compliance Officers: Tasked with meeting regulatory mandates and avoiding penalties. Tie OT security to frameworks like NIST CSF or NIS2 and explain how it streamlines compliance efforts.

• IT and OT Teams: Balancing performance and security. Show how a collaborative approach can strengthen the IT-OT relationship, reducing friction and delivering better outcomes.

Tailor the messaging when engaging these groups. For example, financial models should be used when presenting to CFOs, but operational scenarios should be used when talking with COOs. Case studies and real-world examples can bridge gaps, showing how similar organizations have successfully navigated OT security challenges.

Quantifying Risks and Benefits

Boards and executives respond to data. To drive home the importance of OT security, quantify risks and opportunities with hard numbers:

• Risk Quantification: Calculate the potential financial impact of an attack. For instance, a ransomware event that halts production at a critical facility for 24 hours could result in millions in lost revenue, delayed shipments, and damaged relationships with key customers.

• Opportunity Quantification: Demonstrate the upside of investing in security. For example, implementing predictive maintenance tools tied to OT security could reduce unplanned downtime by 30%, yielding substantial savings.

Beyond immediate impacts, emphasize systemic risks. Discuss how vulnerabilities at one facility could cascade across the supply chain, amplifying financial and reputational damage. Present these dynamics using visual aids, like risk heatmaps.

Collaborating on a Strategic Roadmap

Collaboration is essential for alignment. Building a strategic roadmap allows stakeholders to see a clear, actionable plan that ties security investments to measurable outcomes. Key components include:

• Clear Objectives: Define goals, such as achieving compliance with a specific standard, reducing response times, or implementing segmentation across critical sites.

• Prioritized Milestones: Break the roadmap into phases, focusing on high-impact areas first. For example, start with vulnerability assessments at strategic sites, then scale to smaller facilities.

• Resource Allocation: Be transparent about what’s needed—budget, personnel, and tools—and explain how these investments support the business.

Involve cross-functional teams in roadmap development to foster buy-in. Engaging operations, finance, and compliance leaders ensure the plan is practical and aligned with broader business priorities. When stakeholders see their input reflected in the strategy, they’re more likely to support it.

Communicating the ROI of OT Security

Securing investment requires translating technical initiatives into business value. CISOs and CIOs must connect the dots between security measures and financial outcomes. Strategies include:

• ROI Models: Show how proactive investments reduce long-term costs. For instance, the expense of deploying advanced monitoring tools can be compared with the financial losses avoided by preventing a significant incident.

• Scenario Analysis: Use hypothetical or real-world examples to illustrate risks. Explain how a phishing attack targeting OT systems could escalate into a supply chain disruption, costing millions.

• Benchmarking: Compare the organization’s security posture to industry peers, highlighting gaps and opportunities to lead rather than follow.

Visuals like dashboards, cost charts, and trend analyses can make complex information digestible. Tailor these materials to the audience, ensuring they align with their decision-making style and priorities.

Takeaways for CISOs and CIOs

Building consensus for OT security requires more than technical expertise—it demands strategic communication and alignment. By framing security as a business enabler, quantifying its value, and effectively engaging stakeholders, CISOs and CIOs can secure the buy-in needed to drive meaningful change.

Remember, the goal isn’t just to secure funding—it’s to foster a culture where OT security is considered integral to the organization’s mission. With clear messaging, actionable roadmaps, and a collaborative approach, OT leaders can position security as a safeguard and a strategic advantage, ensuring resilience in an increasingly complex threat landscape.