Security metrics for software systems

  • Authors:
  • Ju An Wang;Hao Wang;Minzhe Guo;Min Xia

  • Affiliations:
  • Southern Polytechnic State University, Marietta, GA;Southern Polytechnic State University, Marietta, GA;Southern Polytechnic State University, Marietta, GA;Southern Polytechnic State University, Marietta, GA

  • Venue:
  • Proceedings of the 47th Annual Southeast Regional Conference
  • Year:
  • 2009

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Abstract

Security metrics for software products provide quantitative measurement for the degree of trustworthiness for software systems. This paper proposes a new approach to define software security metrics based on vulnerabilities included in the software systems and their impacts on software quality. We use the Common Vulnerabilities and Exposures (CVE), an industry standard for vulnerability and exposure names, and the Common Vulnerability Scoring System (CVSS), a vulnerability scoring system designed to provide an open and standardized method for rating software vulnerabilities, in our metric definition and calculation. Examples are provided in the paper, which show that our definition of security metrics is consistent with the common practice and real-world experience about software quality in trustworthiness.