Improving security requirements adequacy: an interval type 2 fuzzy logic security assessment system

Organizations rely on security experts to improve the security of their systems. These professionals use background knowledge and experience to align known threats and vulnerabilities before selecting mitigation options. The substantial depth of expertise in any one area (e.g., databases, networks,...

Full description

Bibliographic Details
Main Authors: Hibshi, Hanan, Breaux, Travis D., Wagner, Christian
Format: Conference or Workshop Item
Published: 2016
Subjects:
Online Access:https://eprints.nottingham.ac.uk/38651/
_version_ 1848795660665487360
author Hibshi, Hanan
Breaux, Travis D.
Wagner, Christian
author_facet Hibshi, Hanan
Breaux, Travis D.
Wagner, Christian
author_sort Hibshi, Hanan
building Nottingham Research Data Repository
collection Online Access
description Organizations rely on security experts to improve the security of their systems. These professionals use background knowledge and experience to align known threats and vulnerabilities before selecting mitigation options. The substantial depth of expertise in any one area (e.g., databases, networks, operating systems) precludes the possibility that an expert would have complete knowledge about all threats and vulnerabilities. To begin addressing this problem of fragmented knowledge, we investigate the challenge of developing a security requirements rule base that mimics multi-human expert reasoning to enable new decision-support systems. In this paper, we show how to collect relevant information from cyber security experts to enable the generation of: (1) interval type-2 fuzzy sets that capture intra- and inter-expert uncertainty around vulnerability levels; and (2) fuzzy logic rules driving the decision-making process within the requirements analysis. The proposed method relies on comparative ratings of security requirements in the context of concrete vignettes, providing a novel, interdisciplinary approach to knowledge generation for fuzzy logic systems. The paper presents an initial evaluation of the proposed approach through 52 scenarios with 13 experts to compare their assessments to those of the fuzzy logic decision support system. The results show that the system provides reliable assessments to the security analysts, in particular, generating more conservative assessments in 19% of the test scenarios compared to the experts’ ratings.
first_indexed 2025-11-14T19:35:37Z
format Conference or Workshop Item
id nottingham-38651
institution University of Nottingham Malaysia Campus
institution_category Local University
last_indexed 2025-11-14T19:35:37Z
publishDate 2016
recordtype eprints
repository_type Digital Repository
spelling nottingham-386512020-05-04T18:16:56Z https://eprints.nottingham.ac.uk/38651/ Improving security requirements adequacy: an interval type 2 fuzzy logic security assessment system Hibshi, Hanan Breaux, Travis D. Wagner, Christian Organizations rely on security experts to improve the security of their systems. These professionals use background knowledge and experience to align known threats and vulnerabilities before selecting mitigation options. The substantial depth of expertise in any one area (e.g., databases, networks, operating systems) precludes the possibility that an expert would have complete knowledge about all threats and vulnerabilities. To begin addressing this problem of fragmented knowledge, we investigate the challenge of developing a security requirements rule base that mimics multi-human expert reasoning to enable new decision-support systems. In this paper, we show how to collect relevant information from cyber security experts to enable the generation of: (1) interval type-2 fuzzy sets that capture intra- and inter-expert uncertainty around vulnerability levels; and (2) fuzzy logic rules driving the decision-making process within the requirements analysis. The proposed method relies on comparative ratings of security requirements in the context of concrete vignettes, providing a novel, interdisciplinary approach to knowledge generation for fuzzy logic systems. The paper presents an initial evaluation of the proposed approach through 52 scenarios with 13 experts to compare their assessments to those of the fuzzy logic decision support system. The results show that the system provides reliable assessments to the security analysts, in particular, generating more conservative assessments in 19% of the test scenarios compared to the experts’ ratings. 2016-10-15 Conference or Workshop Item PeerReviewed Hibshi, Hanan, Breaux, Travis D. and Wagner, Christian (2016) Improving security requirements adequacy: an interval type 2 fuzzy logic security assessment system. In: IEEE Symposium Series on Computational Intelligence (IEEE SSCI 2016), 6-9 December 2016, Athens, Greece. user study; vignettes; scenarios; recommender system; security requirements; fuzzy logic; type-2; uncertainty
spellingShingle user study; vignettes; scenarios; recommender system; security requirements; fuzzy logic; type-2; uncertainty
Hibshi, Hanan
Breaux, Travis D.
Wagner, Christian
Improving security requirements adequacy: an interval type 2 fuzzy logic security assessment system
title Improving security requirements adequacy: an interval type 2 fuzzy logic security assessment system
title_full Improving security requirements adequacy: an interval type 2 fuzzy logic security assessment system
title_fullStr Improving security requirements adequacy: an interval type 2 fuzzy logic security assessment system
title_full_unstemmed Improving security requirements adequacy: an interval type 2 fuzzy logic security assessment system
title_short Improving security requirements adequacy: an interval type 2 fuzzy logic security assessment system
title_sort improving security requirements adequacy: an interval type 2 fuzzy logic security assessment system
topic user study; vignettes; scenarios; recommender system; security requirements; fuzzy logic; type-2; uncertainty
url https://eprints.nottingham.ac.uk/38651/