Security testing and assurance in the automotive domain is challenging. This is predominantly due to the increase in the amount of software and the number of connective entry points in the modern vehicle. In this paper we build on earlier work by using a systematic security evaluation to enumerate undesirable behaviours, enabling the assignment of severity ratings in a (semi-) automated manner. We demonstrate this in two case studies; firstly with the native Bluetooth connection in an automotive head unit, and secondly with an aftermarket diagnostics device. We envisage that the resulting severity classifications would add weight to a security assurance case, both as evidence and as guidance for future test cases.
Bibliographical noteNOTICE: this is the author’s version of a work that was accepted for publication in Computers and Security. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Computers and Security. Vol 77,(2018), DOI: 10.1016/j.cose.2018.04.008
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- Security assurance
- Penetration testing