Abstract
The international standard ISO 21434 is used to derive new development processes, work products and roles during product development in the automotive industry. For a suitable development of security relevant vehicle systems, the new work steps must be integrated into the existing development process. The challenge is to apply a proper method for an integration of these additional activities. For the integration a quantification of the process maturity of the security relevant development processes supports thereby, in order to make a statement about the precondition for the treatment of security relevant vehicle systems. Furthermore, this identifies development fields in the process integration. This paper shows how a coefficient for measuring process maturity is established. Therefore, the functional security related activities are identified and isolated. In the next step supporting processes are defined. Further, weighted means are determined. The aim is to have an indicator for the security relevant development processes already at the beginning of the development and thus to be able to take appropriate measures in advance. As an application example, an automotive project for ADAS system is considered. This is followed by differentiated derivations of measures based on the established coefficients for the individual domains.
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Noun, H., Rehm, F., Zeller, G., Rajesh, G., Lachmayer, R. (2022). Integration of Cybersecurity Related Development Processes by Using a Quantification Method. In: Su, C., Sakurai, K., Liu, F. (eds) Science of Cyber Security. SciSec 2022. Lecture Notes in Computer Science, vol 13580. Springer, Cham. https://doi.org/10.1007/978-3-031-17551-0_15
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