IEC 62443 Industrial
Cybersecurity Services
Component-Level and System-Level Consultancy for Industrial Automation and Control Systems
Industrial systems are increasingly connected, and cybersecurity risks in OT environments can impact production continuity, safety, reliablity and overall business operations. IEC 62443 is the most widely recognized international framework for securing Industrial Automation and Control Systems (IACS).
IEC 62443-4-1
IEC 62443-4-2
IEC 62443-3-2
IEC 62443-3-3
Our IEC 62443 Service Structure
Component-Level Services
For industrial product suppliers, device manufacturers and software component providers.
- IEC 62443-4-1: Secure product development lifecycle requirements
- IEC 62443-4-2: Technical security requirements for IACS components
System-Level Consultancy
For asset owners, system integrators, factories, operators and project stakeholders.
- IEC 62443-3-2: Security risk assessment for system design
- IEC 62443-3-3: System security requirements and security levels
Our customers can choose the right service path depending on whether they are developing industrial products (Component-Level) or securing an industrial system deployment (System-Level).
Component-Level Cybersecurity for Industrial Products
- Secure development lifecycle gap analysis
- Security requirement management
- Threat modelling / risk analysis
- Architecture and design review
- Secure coding / implementation review
- Vulnerability handling
- Patch management
- Product security documentation
- Supplier and third-party component review

- Authentication and identification testing
- Access control testing
- System integrity assessment
- Communication confidentiality
- Data protection
- Restricted data flow
- Resource availability and resilience
- Secure configuration
- Firmware / software security review
- Vulnerability and attack surface assessment
- Secure update mechanism
- Logging and audit review

We Support
IndustrialIoT Devices
PLCs &Controllers
IndustrialGateways
EmbeddedControl Devices
IndustrialSwitches & Routers
Remote AccessDevices
HMIPanels
SCADAComponents
System-Level Cybersecurity for Industrial Environments
- System under consideration definition
- Asset inventory and system boundary review
- Industrial network architecture review
- Zone and conduit model development
- Threat scenario identification
- Risk assessment workshop
- Target security level definition
- Risk treatment recommendation
- Risk assessment report preparation

- System security requirement mapping
- Security level target alignment
- Network segmentation and access control
- Identification and authentication review
- System integrity controls
- Data confidentiality and communication security
- Restricted data flow design
- Timely response to events
- Resource availability and resilience
- System security improvement roadmap

This Service?
AssetOwners
Factories & PlantOperators
SystemIntegrators
OT SecurityTeams
Critical InfrastructureOperators
Utilities &Energy
Transportation &Logistics
Smart ManufacturingProjects
Typical Deliverables
- IEC 62443-4-1 Gap Assessment Report
- Secure Development Lifecycle Improvement Plan
- IEC 62443-4-2 Technical Assessment Report
- Component Requirement Mapping Matrix
- Security Level Readiness Summary
- Vulnerability Assessment Summary
- IEC 62443-3-2 Risk Assessment Report
- Zone and Conduit Model
- Target Security Level Summary
- IEC 62443-3-3 Requirement Mapping
- System Security Gap Analysis
- OT Cybersecurity Improvement Roadmap
- Management Briefing Materials
- Workshop and Training Materials
Why IEC 62443 Matters

Production Continuity
Minimise disruptions and keep operations running safely and reliably.

Operational Safety
Protect people, assets and the environment from cyber threats.

Equipment Reliability
Improve system resilience and extend asset lifecycle.

Business Continuity
Safeguard revenue, reputation and long-term business value.
Industrial cybersecurity is not only an IT issue — it is fundamental to safe, reliable and resilient operations. IEC 62443 provides a structured, risk-based approach to help organisations build cybersecurity capabilities from product development through to system deployment and long-term operation.
Stronger systems. Safer operations. Sustainable business.Our Approach

Define Scope
Understand objectives, systems in scope and business context.

Map Applicable Standards
Identify relevant IEC 62443 requirements and clauses.

Assess Risks / Requirements
Conduct risk assessment and requirement analysis.

Review Evidence or Testing Results
Evaluate documentation, test results and implementation evidence.

Deliver Improvement Roadmap
Provide practical recommendations and phased improvement plan.
The One Lab combines cybersecurity testing capability, product compliance knowledge and practical OT understanding to help organisations build secure and resilient industrial systems.
Not Sure Where to Start?
Request a free initial consultation or product assessment.
Our experts are here to help.


