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OT, ICS & IoT Security consulting

DESSS works in plants and field operations across Texas energy and manufacturing, so OT controls are designed around production reality rather than IT habit.

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CYBERSECURITY

What is OT, ICS & IoT Security

Operational technology security protects industrial control systems, SCADA, and connected devices where availability and safety outrank confidentiality and patch windows are measured in years.

WHAT WE IMPLEMENT

5 products and modules

The OT / ICS / IoT Security capabilities DESSS designs, deploys, and hands over — each one scoped on its own so a programme can start where the risk is highest.

  • OT Security Assessment
  • Purdue Model Segmentation
  • ICS and SCADA Monitoring
  • IoT Device Security
  • Secure Remote Access for Vendors
HOW TO ENGAGE

5 ways to work with us

Engage DESSS at whatever depth the work needs — independent advice before budget is committed, full delivery against an agreed blueprint, or ongoing support from the team that built it.

  • Consulting & Advisory
  • Implementation
  • Integration & Migration
  • Managed Support
  • Training & Change Management
PRODUCTS & MODULES

What we implement on OT / ICS / IoT Security

Each module below is a scoped piece of work with its own deliverables, so the programme can be sequenced by risk rather than delivered as one undifferentiated block.

01

OT Security Assessment

Passive asset discovery, protocol review, and risk assessment that does not disturb production.

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04

IoT Device Security

Device identity, onboarding, firmware update paths, and certificate lifecycle at scale.

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02

Purdue Model Segmentation

Zone and conduit design, DMZ architecture, and jump-host access for vendors.

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05

Secure Remote Access for Vendors

Brokered, recorded, time-bound vendor access to plant systems.

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03

ICS and SCADA Monitoring

Protocol-aware monitoring and anomaly detection for control networks.

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SERVICES ON THIS PLATFORM

Advice, delivery, or managed service

The same OT / ICS / IoT Security team across the whole lifecycle — assessment and roadmap, implementation, integration and migration, managed support, and the enablement that makes it stick.

Consulting & Advisory on OT, ICS & IoT Security

Assessment, platform selection, business case, and roadmap — before you commit budget.

Implementation on OT, ICS & IoT Security

Full delivery to an agreed blueprint, with weekly demos and named deliverables at every step.

Integration & Migration on OT, ICS & IoT Security

Connecting and modernizing the systems the work depends on, with validated data and monitored interfaces.

Managed Support on OT, ICS & IoT Security

Monitoring, incident handling, enhancements, and release management from the team that built it.

Training & Change Management on OT, ICS & IoT Security

Role-based enablement that turns a working system into an adopted one.

Related DESSS services

Where OT / ICS / IoT Security work usually sits in a wider programme.

IoT Consulting & Advisory

Explore

Kepware KEPServerEX

Explore

Application Security & DevSecOps consulting

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Cloud Security consulting

Explore
ALSO IN CYBERSECURITY

Related security domains

The neighbouring DESSS cybersecurity practices most often scoped alongside OT / ICS / IoT Security.

Microsoft Active Directory

AD DS design, hardening, migration, and forest recovery for the on-premise identity core.

Microsoft Entra

Entra ID, conditional access, PIM, and governance for cloud identity and zero trust.

Microsoft Defender

Defender XDR and Sentinel SIEM deployed, tuned, and run as a working detection capability.

COMMON QUESTIONS

Frequently asked questions

Operational technology security protects industrial control systems, SCADA, and connected devices where availability and safety outrank confidentiality and patch windows are measured in years. Whether it is right for you depends on your operational structure, reporting complexity, compliance obligations, and growth plans — our free discovery session benchmarks OT, ICS & IoT Security against the realistic alternatives for your specific case, including doing nothing.

Everything listed on this page: OT Security Assessment , Purdue Model Segmentation , ICS and SCADA Monitoring, IoT Device Security, Secure Remote Access for Vendors. Each product page sets out the full delivery workflow, the deliverables at each step, and a realistic duration.

Yes. Integration with the surrounding systems — ERP, CRM, identity, finance, analytics, and operational tools — is designed during the blueprint stage and delivered with validated data and monitored interfaces, not bolted on after go-live.

Cost varies with licensing, scope, customization, integration count, and support model. After a discovery session DESSS provides a written estimate with total cost of ownership modeling, so there are no mid-project surprises.

The same DESSS consultants who delivered the work staff hypercare and ongoing managed support for OT, ICS & IoT Security — no handoff to a team that has never seen your configuration.

GET STARTED

Schedule your free digital transformation consultation

Certified experts in cloud, AI, and security. Agile delivery, scalable architecture, and data-driven BI tools — serving clients globally.

Talk to a DESSS consultant about OT / ICS / IoT Security. We respond to discovery requests within 24 hours.

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