Cyber-Physical Systems (CPS) & Operational Technology (OT) Security

Secure the Convergence of IT, OT, and IoT

Sayers combines cybersecurity expertise with real-world operational understanding:
• Proven experience across complex industrial environments
• Deep knowledge of industrial protocols and systems
• Ability to bridge Information Technology (IT), Operational Technology (OT), and security teams
• Focus on operationally aligned risk reduction
• End-to-end capabilities from strategy through execution

We don’t just help you deploy tools—we help you build a sustainable CPS security program.
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The Challenge

Securing Cyber-Physical Environments

Operational Complexity

• 24x7 production environments where downtime is unacceptable
• Safety-critical systems where cyber incidents can impact physical outcomes
• Limited ability to patch or upgrade legacy systems

Technology Diversity

• Proprietary protocols and specialized industrial devices
• Fragmented visibility across devices, networks, and systems
• Complex device-to-device and system-to-system communications

Security Gaps

• Lack of complete asset visibility across OT environments
• IT tools that are not designed for industrial systems
• Shortage of CPS-specific cybersecurity expertise

Organizational Barriers

• IT and OT teams with different priorities and governance models
• Misalignment in ownership of CPS security
• Increasing pressure to align security with operational performance

Why Cyber-physical systems (CPS)

Sayers CPS Security Framework

Sayers delivers a structured, risk-driven approach to CPS security, aligned to leading industry frameworks:
How we can help

A Streamlined Approach to Tech Refreshes

Sayers delivers end-to-end services across the CPS security lifecycle.
Strategy & Advisory
• CPS security program development
• IT/OT governance alignment
• Policy, standards, and procedures
• Fractional and advisory CISO services
Risk & Assessment
• Enterprise risk assessments
• OT / ICS security assessments
• IoT / IIoT ecosystem testing
• Vulnerability assessments and penetration testing
• Red teaming and threat simulation
Architecture & Engineering
• Secure CPS architecture design
• Purdue model and segmentation strategies
• Network, device, and communications visibility
• Industrial ecosystem architecture optimization
Detection & Response
• Threat detection strategy for industrial environments
• Incident response plan development
• Tabletop exercises and simulations
• SOC integration and monitoring advisory
Resilience, Compliance & Readiness
• Business continuity program development
• Audit readiness and regulatory alignment
• Security awareness training
• M&A security due diligence
Why It Works

What Every IT Leader Should Know About OT & Cyber-Physical Security

As IT and OT environments converge, cyber risk is no longer just about data—it’s about real-world consequences like safety, downtime, and physical disruption. This blog breaks down why traditional IT security approaches fall short in OT environments and what leaders must do differently to reduce risk. Learn how forward-thinking organizations are aligning teams, rethinking security strategy, and taking practical first steps to protect the systems that keep operations running.
Read More
Testimonials

Hear From Our Clients

“We are no longer worried about network-wide outages. We have stability throughout the network and, when there is an issue, the team is quickly able to identify and resolve it.”
Rena Solano
Chief Financial Officer at Lincoln Park Zoo
“The sizing exercises [Sayers] conducted were truly to provide the best value to Ferrara, as well as my team. Sayers was a critical piece in making sure our infrastructure was sized appropriately.”
Stefan Floyhar
Senior IT Manager at Ferrara Candy Company
“Since partnering with Sayers, it’s brought us back a significant amount of time for not just me, but also my team. And that’s been worth its weight in gold.”
Kaleb Mercer
Director of IT at Rödl & Partner USA
“Looking back to where we were and what we wanted to accomplish, I don’t think it would have been possible without having a CSP like Sayers.”
Jim Kosinski
Technology Manager at A.I.S. Inc.

Frequently Asked Questions

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What’s the difference between IoT and OT?

OT runs and controls physical operations; IoT connects devices that sense and measure the physical world. Together they make operational data usable for decisions and automation.

Can IoT/OT be deployed without disrupting operations?
Yes—most deployments start with passive monitoring and phased expansion to minimize risk.
How do you handle security in OT environments?

OT security prioritizes segmentation, controlled access, continuous monitoring, and operationally safe change management.

What results should we expect first?

Early wins often come from visibility: faster troubleshooting, improved maintenance prioritization, and reduced downtime risk.

Where should we start?
Start with a high-value asset group or one site, define success metrics, and expand once value is proven.