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Cyber Resilience Act
Support for organizations assessing and preparing for CRA cybersecurity obligations.
- Applicability assessment
- Gap assessment
- Risk analysis
- Requirements review
- Evidence preparation
Cybersecurity Engineering
Cybersecurity Engineering for Complex & Critical Systems
CyRigel helps organizations transform cybersecurity risks, regulatory requirements and industry standards into concrete engineering requirements, secure architectures and demonstrable security evidence.
The Challenge
Cybersecurity is becoming an engineering constraint
Regulations, standards and customer requirements increasingly require organizations to demonstrate that cybersecurity is systematically integrated throughout the lifecycle of their products and systems.
For complex or critical systems, cybersecurity cannot be limited to compliance. It must be embedded into engineering processes—from requirements and architecture through development and validation—with sufficient traceability to demonstrate the decisions made and the measures implemented.
CyRigel bridges cybersecurity, systems engineering and software engineering to turn security requirements into concrete, verifiable technical solutions that can be directly leveraged by engineering teams.
CyRigel turns cybersecurity requirements into concrete, verifiable and traceable engineering solutions.
Regulation & Standards
What needs to be addressed?
↓
Risk & Threats
What could go wrong?
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Security Requirements
What must the system achieve?
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Architecture & Implementation
How will it be achieved?
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Verification & Evidence
How can it be demonstrated?
Our Capabilities
Cybersecurity expertise connected to engineering
From regulatory requirements to technical implementation and assurance, CyRigel supports organizations across the cybersecurity engineering lifecycle.
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IEC 62443
Industrial cybersecurity engineering and assessment for complex operational environments.
- Security assessment
- Zones & conduits
- Threat & risk analysis
- Security architecture
- Security levels
03
TS 50701
Cybersecurity engineering for railway systems and their lifecycle.
- Cybersecurity lifecycle
- Requirements
- Architecture
- Traceability
- Verification & validation
04
EBIOS RM
Structured risk analysis and threat modelling for complex systems.
- Scoping
- Business values
- Feared events
- Attack paths
- Risk treatment
05
Security Assurance
Helping organizations demonstrate that security objectives and requirements have been addressed.
- Requirements traceability
- Verification strategy
- Evidence management
- Assurance cases
- Compliance matrices
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Cybersecurity Engineering
Integrating cybersecurity into system and product engineering.
- Security requirements
- Threat modelling
- Architecture reviews
- Secure design
- Verification & validation
From requirements to evidence
Establishing consistency and traceability across the cybersecurity engineering lifecycle.
Context
Threats & Risks
Objectives
Requirements
Architecture
Implementation
Verification
Evidence
The objective is not simply to produce documentation.
The objective is to establish a coherent chain between why a
security measure is required, what is required, how it is
implemented, how it is verified and what evidence demonstrates
compliance.
Project-Based Services
Focused engagements with clearly defined outcomes
Services structured around concrete objectives, scope and deliverables.
CRA Readiness Assessment
Assess the cybersecurity posture of a product against applicable CRA requirements.
Typical deliverables- Applicability assessment
- Gap analysis
- Requirements review
- Risk analysis
- Compliance matrix
- Remediation roadmap
Cybersecurity Risk & Threat Assessment
Identify relevant threats, attack paths, risks and security objectives.
Typical deliverables- Scope definition
- Threat analysis
- Risk assessment
- Attack scenarios
- Security objectives
- Risk treatment
Cybersecurity Requirements Engineering
Translate risks and security objectives into actionable system and product security requirements.
Typical deliverables- Security requirements
- Traceability matrix
- Requirement review
- System allocation
- Verification criteria
Security Architecture Review
Review the cybersecurity architecture of a complex system or product.
Typical deliverables- Architecture analysis
- Trust boundaries
- Interfaces & data flows
- Attack surface
- Security mechanisms
- Recommendations
Security Assurance Package
Build a structured set of evidence demonstrating that cybersecurity requirements have been addressed.
Typical deliverables- Requirements traceability
- Verification evidence
- Compliance matrix
- Security argumentation
- Assurance documentation
Cybersecurity Engineering Support
Provide focused engineering support to project teams facing specific cybersecurity challenges.
Typical activities- Technical analysis
- Architecture support
- Requirements engineering
- Threat modelling
- Engineering reviews
- Automation & tooling
Engineering Experience
Experience across demanding industries
CyRigel's approach is informed by engineering experience gained across environments where safety, security, availability, reliability and long operational lifecycles are fundamental requirements.
Railway Systems
Signalling · Rolling Stock · Critical Infrastructure
Air Traffic Control
Operational Systems · Critical Infrastructure
Aerospace
Complex Embedded & Distributed Systems
Defence
Mission-Critical Systems
Energy & Industrial
Industrial Systems · Critical Infrastructure
Why CyRigel
Engineering discipline. Cybersecurity expertise. Concrete outcomes.
Engineering-first approach
Cybersecurity is treated as an engineering discipline, integrated into the system lifecycle rather than addressed as a separate compliance activity. Security considerations are introduced early and carried through architecture, design, development, integration, verification and deployment. This approach helps identify and address security risks where they can be managed most effectively, while remaining aligned with the technical and operational realities of the system.
Standards translated into action
Regulatory requirements, standards and cybersecurity frameworks are translated into concrete engineering activities and project deliverables. Rather than stopping at a list of applicable requirements, the objective is to determine what they mean in practice for the system, the architecture, the development process and the verification activities. This creates a clear link between regulatory expectations, technical decisions and demonstrable compliance.
Technical depth
Cybersecurity, systems engineering and software engineering capabilities enable meaningful interaction with technical teams. The approach is grounded in an understanding of architectures, interfaces, software, networks, development processes and system constraints. This makes it possible to engage directly with engineers and architects, challenge technical assumptions when necessary, and turn cybersecurity requirements into solutions that can actually be implemented.
Evidence matters
Security claims should be supported by traceable, objective and reviewable evidence. Requirements, risks, design decisions, analyses, tests and verification results are connected through a structured body of evidence. This provides stakeholders with a clear basis for assessing the security posture of the system and makes the resulting work easier to review, audit and maintain throughout the project lifecycle.
Complex-system mindset
Cybersecurity activities must account for the complexity of real-world systems and their operating environments. The approach considers operational constraints, system integration, availability and performance requirements, legacy technologies, interfaces with external systems and long operational lifecycles. Security recommendations are therefore developed with an understanding of the wider system, rather than in isolation from its engineering and operational context.
Project-oriented delivery
Engagements are structured around clear objectives, defined scope and professional deliverables. Whether the assignment involves a cybersecurity assessment, architecture review, requirements engineering, risk analysis or support to a certification process, the work is organized to produce tangible and usable outcomes. The focus is on delivering the agreed scope with clear conclusions, actionable recommendations and evidence that can be directly reused by project and engineering teams.
Our Approach
A structured path from context to delivery
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Understand
Understand the system, operational context and objectives.
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Assess
Identify threats, risks, requirements and gaps.
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Engineer
Define security objectives, requirements and architectural measures.
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Verify
Establish traceability, verification activities and evidence.
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Deliver
Provide clear conclusions, recommendations and actionable deliverables.
Let's discuss your project
Have a cybersecurity engineering challenge?
Whether you are preparing for a new regulatory requirement, assessing the cybersecurity of a product, reviewing an architecture or building a security assurance package, CyRigel can help define a focused engineering engagement.
Let's define the right engagement for your project.