Industrial systems are as diverse as the applications for which they were developed. A reliable partner who understands your industry and your systems can help you develop an effective strategy to improve your security.

Ultimately, it’s all about your customers’ trust in your products and services. And to strengthen this trust, you can count on the support of Limes Security and the IEC 62443 standard.

Limes Security IEC 62443 Services

Limes Security offers you a wide range of services in accordance with the 62443 standard and supports you on the optimum path to IEC 62443 conformity or even certification.

  • Primer according to IEC 62443 for your employees to show you what the standards are all about and how they can be used for the security of your organization.
  • System security assessment in a threat and risk analysis
  • System analysis according to IEC 62443-3-3 and IEC 62443-4-2
  • Training of your employees in the area of “security software development” according to the IEC 62443-4-1 standard
  • Improvement or definition of processes to meet your OT security requirements with our workshop for process improvement

Your way to IEC 62443 compliance

Limes Security brings you towards IEC 62443 compliance in four steps.

  1. Definition of the scope
  2. Analysis of processes/systems for compliance
  3. Strategic planning and implementation support
  4. Implementation and continuous improvement

Which part of the IEC 62443 standard is relevant for you?

The IEC 62443 standard consists of four groups, each consisting of several parts.

Support by the IEC 62443 standard

The IEC 62443 standard supports you in almost every step during the entire life cycle of a solution or product.


Limes Security also supports you in the implementation of the following other security standards and guidelines.

  • IT-Sicherheitsgesetz
  • BSI Grundschutz
  • BDEW Whitepaper
  • ISO27001/ISO27019