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Finding Threats and Hazards Simultaneously in the Concept Phase of System Development

Summary: [This abstract is based on the authors' abstract.] In this article, the author proposes an approach for finding hazards and threats simultaneously. These threats relate to safety and security, respectively, and have become especially important in software-intensive embedded systems such as advanced driver assistance systems (ADAS). The definition of the concept phase is the process by which one consolidates the requirements and creates the specification. There is no appropriate method to apply in this phase to find both hazards and threats. A hardware-centered system usually evolves gradually, but new software-intensive systems that are developed from scratch need a method to analyze hazards and threat early in development. In this article, the author mainly focuses on finding hazards and threats to ensure system safety and security. He uses the item sketch and goal model and applies guidewords. He also uses standards and the example of the automobile for explanation purposes, but believes he can apply this method to various domains. This article is open access.

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  • Topics: Safety
  • Keywords: Software, Embedded systems, Automotive, Systems engineering, Standards and specifications, Product safety
  • Author: Ito, Masao
  • Journal: Software Quality Professional Magazine