IEC 62443 CERTIFICATION: CYBERSECURITY FOR INDUSTRIAL AUTOMATION & CONTROL SYSTEMS

Achieve certification to IEC 62443

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As industrial systems become increasingly connected and data-driven, the need for robust cybersecurity has never been greater. Industrial automation and control systems (IACS) are especially vulnerable to cyber threats due to their critical role in essential operations and infrastructure.

To help organisations strengthen their defences, the International Electrotechnical Commission (IEC), in collaboration with the International Society of Automation (ISA), developed the IEC 62443 series of standards.

Bureau Veritas provides expert guidance and certification services to help you achieve and maintain IEC 62443 certification, ensuring your industrial systems meet globally recognised cybersecurity requirements.

What is IEC 62443?

 The IEC 62443 standard is a comprehensive framework designed to protect industrial automation and control systems (IACS) from cybersecurity risks. It defines technical and organisational requirements to secure systems throughout their entire lifecycle, from design and development to operation and maintenance.

Applicable across sectors such as manufacturing, energy, transportation and utilities, IEC 62443 supports a structured and repeatable approach to industrial cybersecurity management. 

Developed jointly by ISA and IEC, the standard complements frameworks such as ISO 27001 but focuses specifically on operational technology (OT) and industrial control environments.

IEC 62443 Foundational Requirements:

The IEC 62443 framework is composed of several foundational requirements that form the basis for achieving compliance and certification. These include:

Identification and Authentication: all users, processes, devices and other entities should be identified and authenticated before access to the ICS system.

User Control: Each authenticated user should be granted permission to perform requested actions on the system. 

System Integrity: System integrity protected from unauthorised users and changes. 

Data Confidentiality: Sensitive information is protected from unauthorised access. 

Restricted Data Flow: Control system prevents data flow throughout. 

Timely Response to Events: Prompt response to any security threats and appropriate action implemented.

Resource Availability: Ensure essential resources are up to date and available during an attack.

IEC 62443 Security Levels

IEC 62443 defines 4 security levels that are designed to address a range of cybersecurity risks to the IACS. They aim to help organisations assess their current security position and create a plan to achieve the desired level of security. These levels are:

  • Casual or accidental violation, often human error
  • Simple, low-skilled attacker
  • Sophisticated attacker with moderate resources
  • Highly skilled attacker with large resources

By assessing the current maturity of security controls, organisations can define an improvement plan to reach the appropriate level.

IEC 62443 Certifications Available

The IEC 62443 series is divided into several standards, each addressing a specific area of industrial cybersecurity. Depending on the nature of your business, one or more of the following certification schemes may apply:

  • IEC 62443-2-4 – Security program requirements for IACS service providers
  • IEC 62443-3-3 - System security requirements and security levels
  • IEC 62443-4-2 - Technical security requirements for IACS components
  • IEC 62443-4-1 - Secure product development lifecycle requirements

Bureau Veritas can assess your organisation against the relevant part of the standard and guide you toward full certification readiness.

Benefits of IEC 62443 certification  

While not mandatory, there are a range of benefits to the certification:

  • Reduce the risk of cyber attacks on industrial assets
  • Make more informed risk management decisions and provide a defined level of assurance
  • Prioritise investment in effective cyber security controls
  • Enhance your company image with stakeholders and differentiate yourself from the competition 
Learn More about IEC 62243 with our 7 things to know video

Why choose Bureau Veritas for IEC 62443 certification?  

Bureau Veritas is a trusted global leader in testing, inspection and certification, with extensive experience in cybersecurity assurance.

Our qualified experts combine technical knowledge with deep industry insight to support organisations in meeting their IEC 62443 objectives.

  • Over 40 national and international accreditations from recognised certification bodies
  • A network of more than 7,400 skilled auditors operating worldwide
  • Proven expertise in cybersecurity and operational technology risk management
  • Comprehensive certification and audit services covering quality, health, safety, environment and sustainability

Partnering with Bureau Veritas ensures confidence, global recognition and continuous improvement throughout your cybersecurity journey.

Our IEC 62443 services 

Whatever stage of your IEC 62443 certification journey you’re at, Bureau Veritas has the expertise to help you move forward.  

Certification services 

A full range of support services to help you achieve and maintain certification, including:

  • Evidence collection and analysis
  • Audit, interviews and testing
  • Assessment and evaluation
  • Final certification 

Training and awareness 

We will help you upskill your internal teams and stakeholders on how IEC 62443 applies to your operations and products, including:

  • Introduction to IEC 62443 standards
  • Awareness and applicability workshops
  • OT security fundamental trainings 

Contact us to discuss how we can assist your organisation with IEC 62443 certification, training or compliance readiness.

Frequently Asked Questions (FAQs):

  • Is the IEC 62443 mandatory?

    No, the IEC 62443 is not currently mandatory, but is a set of internationally recognised standards for industrial control systems cybersecurity that is strongly recommended for businesses to manage risks.

  • What is the difference between IEC 27001 and 62443?

    The main difference between the IEC 27001 and the 62443 is that the IEC 27001 is predominantly IT-focused, whereas the 62443 is more industrial-focused, protecting control systems at a technical and product level as well as company data.

  • Is ISA 62443 worth it?

    Yes, the IEC 62443 certification shows that your organisation or products follow an internationally recognised cybersecurity standard for industrial control systems. This means that clients, regulators and partners will see that you prioritise security and compliance.