IEC 62443 Industrial
Cybersecurity Services

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).

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Our IEC 62443 Service Structure

A
Component-Level Services

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
B
System-Level Consultancy

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

A IEC 62443-4-1 Consultancy Scope
  • 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
IEC 62443-4-1 Consultancy
B IEC 62443-4-2 Testing Scope
  • 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
IEC 62443-4-2 Testing
Products
We Support
Industrial
IoT Devices
PLCs &
Controllers
Industrial
Gateways
Embedded
Control Devices
Industrial
Switches & Routers
Remote Access
Devices
HMI
Panels
SCADA
Components

System-Level Cybersecurity for Industrial Environments

A IEC 62443-3-2 Consultancy Scope
  • 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
IEC 62443-3-2 Consultancy
B IEC 62443-3-3 Consultancy Scope
  • 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
IEC 62443-3-3 Consultancy
Who Should Use
This Service?
Asset
Owners
Factories & Plant
Operators
System
Integrators
OT Security
Teams
Critical Infrastructure
Operators
Utilities &
Energy
Transportation &
Logistics
Smart Manufacturing
Projects

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

1

Define Scope

Understand objectives, systems in scope and business context.

2

Map Applicable Standards

Identify relevant IEC 62443 requirements and clauses.

3

Assess Risks / Requirements

Conduct risk assessment and requirement analysis.

4

Review Evidence or Testing Results

Evaluate documentation, test results and implementation evidence.

5

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.