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  1. Selectron Systems AG
28 April 2022

The Security by Design Concept Comes into Play in the Development of Cyber Security Products

Security by Design

Security influences every step, from the definition of security requirements, through to the development and certification of products, and maintenance. The dynamic environment, the constantly changing threat situation, and newly discovered system weaknesses are challenges that must be mastered.

Accordingly, Selectron has introduced a security framework based on IEC 62443. This puts Selectron in a position to develop products according to standardised security levels in order to guarantee security over the entire life cycle.

Defence in depth approach

Security only functions within the overall system and therefore influences different products. The security role of a product is therefore defined taking into account the proven Selectron system. Based on the defence in depth approach, security is consistently implemented in the Selectron product roadmap.

  • Protect: There are classic ‘security products’ which include the Security Gateway (SGW) for network segmentation, ‘secure products’ as secure variants of the classic TCMS components (e.g. Secure CPU) and the ‘security infrastructure’, which can be used for secure communication (PKI) among other things.
  • Detect: The Threat Detection Solution (TDS) provides a cost-optimised solution for detecting anomalies in network traffic, especially for existing fleets. As a standalone measure, it can be used to cover important legislative requirements. In combination with other security measures and/or products, the information provided by the TDS from Selectron can make an essential contribution to the trouble-free operation of a vehicle fleet. The solution has a modular structure and is therefore optimised for applications in different areas.
  • Respond: Security updates are reliably provided thanks to the adapted processes. The targeted buildup of security expertise also enables us to offer services that complement our security portfolio, from risk assessments to incident management.

Considering this in the context of the overall system leads to the situation where important aspects such as usability need to be considered on a continuous basis, despite all security requirements. Consequently, such aspects must be incorporated into the system architecture and thus into the designs of the individual products.

With its new Threat Detection Solution, Selectron offers a scalable cybersecurity solution for the individual needs of rail operators to master the increasing risk of...
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