CYSTEG
Together, engineering the future.

Engineering expertise for IT enterprises and OT industrial environments.

We work alongside customers and partners, supporting enterprises and industrial organizations with engineering expertise across IT and OT environments. From enterprise systems to connected and industrial products, we help design, build, and operate reliable, secure, and compliant solutions in critical industries.

Why CYSTEG

Engineering where IT and OT meet

In complex enterprise and industrial environments, success depends on more than isolated expertise. It requires engineering teams that understand both IT and OT realities, work across disciplines, and integrate security, reliability, and compliance from the start. This is what defines how we work.

5 Verticals

Industry Specialization

Deep engineering experience across Automotive, IACS, Defense, Railway, Maritime, and Banking sectors. We understand industry-specific constraints, operational realities, regulatory expectations, and system lifecycles across both IT and OT environments.

7 Phases

Full Lifecycle Coverage

From concept and architecture to operation and decommissioning, we support systems and products throughout their lifecycle. Engineering, security, and compliance are integrated at every phase, not added as an afterthought.

10+ Standards

Compliance-First Approach

Our work is grounded in recognized industry standards and regulations. We help ensure systems and products meet compliance requirements while remaining practical, secure, and operable in real-world IT and OT environments.

OT Cyber Services

OT & Product Cybersecurity Engineering

We engineer cybersecurity into OT systems and connected products across their full lifecycle. From architecture and design to implementation, validation, and updates, our approach integrates security, safety, and compliance into real-world industrial environments.

Industries We Serve

Engineering experience across critical industries

We apply the same engineering principles across industries with complex operational, safety, and regulatory requirements. Our experience spans enterprise IT, OT systems, and connected products in safety- and mission-critical environments.

Our Approach

Proven Engineering Methodology

A structured, phased engineering methodology for delivering secure, reliable, and compliant systems and products. Our approach is applied consistently across enterprise IT environments, OT systems, and connected products, ensuring clear ownership, technical continuity, and measurable outcomes at every stage of the lifecycle.

Discovery

Initial Assessment

Duration: 1-2 weeks

We begin by understanding your system context, architecture, and operational constraints across IT and OT environments. This phase establishes a shared technical baseline.

Assessment reportInitial architecture overview
Strategy

Engagement Planning

Duration: 1-2 weeks

Define scope, engineering interfaces, responsibilities, milestones, and dependencies to ensure effective collaboration and delivery.

Project planRACI and engagement model
Design

System & Security Architecture

Duration: 2-4 weeks

Engineering system and security architectures aligned with product, OT, and enterprise IT requirements.

System & security architecture documentationArchitecture diagrams and interface models
Build

Implementation Support

Duration: 2-6 weeks

Supporting engineering and development teams during implementation to ensure designs are realized correctly and securely.

Implementation guidelinesReview findings and recommendations
Validate

Verification & Validation

Duration: 2-4 weeks

Verification and validation activities aligned with engineering requirements, standards, and certification needs.

Verification & validation reportTest evidence and findings
Deliver

Documentation & Handoff

Duration: 1-2 weeks

Engineering documentation and knowledge transfer to enable independent operation and long-term maintainability.

Final engineering documentation setHandover package
Sustain

Ongoing Support

Duration: Continuous

Engineering support during operation, maintenance, updates, and continuous improvement.

Support agreementsEngineering advisory outputs
Success Stories

Proven Results

Real-world examples of how we've supported organizations by engineering secure, reliable, and compliant systems and products across IT and OT environments.

Automotive

OTA Updates Architecture Engineering for Premium EV Platform

Engineered a secure over-the-air update architecture for a premium electric vehicle platform, aligned with product lifecycle, safety, and regulatory requirements. The solution enabled controlled seamless updates across multiple vehicle platforms while protecting against unauthorized modifications.

Key Outcomes
  • 100% regulatory compliance achieved
  • Zero critical findings in third-party audit
OTASecure SDLCCryptography
IACS

Product Security & Certification Engineering for Power Generation Systems

Supported a power generation manufacturer by engineering product security processes and system architecture to achieve certification for connected generation control systems.

Key Outcomes
  • Security process certification achieved
  • Product security certification obtained
CertificationIACSProduct Engineering
Railway

Railway Signaling System Security Engineering & Validation

Engineered and validated the security of a next-generation railway signaling system, addressing infrastructural risks and implementing mitigations prior to deployment.

Key Outcomes
  • 15 critical vulnerabilities identified and mitigated
  • Regulatory approval secured
RailwayCBTCSystem Architecture
Client Feedback

What Our Clients Say

CYSTEG's deep understanding of automotive cybersecurity standards and practical implementation experience was invaluable. They helped us achieve compliance on schedule while building internal capabilities that will serve us for years to come.
DMW
Dr. Michael Weber
Chief Security Officer
European Automotive OEM

CYSTEG's deep understanding of automotive cybersecurity standards and practical implementation experience was invaluable. They helped us achieve compliance on schedule while building internal capabilities that will serve us for years to come.

Dr. Michael WeberAutomotive

The certification process seemed overwhelming until CYSTEG came on board. Their structured approach and hands-on guidance made the journey manageable, and we achieved certification faster than we thought possible.

Sarah ChenIACS

In defense, there's no room for error. CYSTEG's team understood our unique requirements and delivered security solutions that met the most stringent military standards. Their expertise in supply chain security was particularly valuable.

Commander James MorrisonDefense
Get in Touch

Ready to Engineer Secure Systems?

Let's discuss how CYSTEG can support you by engineering secure, reliable, and compliant solutions across enterprise IT, OT systems, and connected products.

Free initial consultation
Response within 24 hours
Industry-specific expertise