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Efficient security solution for ECU platform

Expertise

Cybersecurity, Systems Engineering, Engineering Consulting

Industry

Automotive

Challenges

Optimization of Reusability and Innovation

The goal of the project was to develop a rear axle steering ECU platform that the client could easily customize for new customers. Since the client had previously undertaken several projects for other customers, the main challenge was to reuse as much as possible from the existing design. Additionally, the client aimed to develop their own base software, as it had been previously provided by an external vendor.

Solution Implemented

Optimizing Security Concepts

Optimizing Security Concepts

Our solution was to perform a reuse analysis of the existing projects, which included:

  • Review of Item definition
  • Review of TARA
  • Review of Cybersecurity concept, and in particular proposed Cybersecurity controls

From the reviews it was determined that Item Definition and TARA can be reused with small changes, but Cybersecurity controls required a deeper analysis, as it had to be established which controls’ implementation is common among the potential clients and which differ.

Moreover, it was determined that not all the necessary controls were implemented in the previous clients’ projects, e.g., secure boot. This analysis would then lead to the creation of systems’ security requirements and architecture as well as the definition of dependencies in case of uncommon control implementations. Afterwards, SW and HW requirements would be derived.

Results

Efficient and Secure Platform Solution

A platform solution that minimized necessary adaptation effort was successfully created, featuring a security design aimed at meeting product security goals. Clear requirements and interface definitions facilitated seamless further collaborations with prospective clients, reducing both the effort required and the skill needed.

Our out-of-context security concept solution enhanced the appeal of the platform product. Our consultants' expertise in the domain enabled us to define the necessary solution in minimal time, which was highly appreciated by the clien

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1A CUE Consulting & Engineering GmbH specializes across industries in Functional Safety, Systems Engineering, Cybersecurity, and Embedded Software Development.