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. 2016 Apr 14:5:446.
doi: 10.1186/s40064-016-2101-0. eCollection 2016.

Threat driven modeling framework using petri nets for e-learning system

Aditya Khamparia  1 , Babita Pandey  2
Affiliations

Threat driven modeling framework using petri nets for e-learning system

Aditya Khamparia et al. Springerplus. .

Abstract

Vulnerabilities at various levels are main cause of security risks in e-learning system. This paper presents a modified threat driven modeling framework, to identify the threats after risk assessment which requires mitigation and how to mitigate those threats. To model those threat mitigations aspects oriented stochastic petri nets are used. This paper included security metrics based on vulnerabilities present in e-learning system. The Common Vulnerability Scoring System designed to provide a normalized method for rating vulnerabilities which will be used as basis in metric definitions and calculations. A case study has been also proposed which shows the need and feasibility of using aspect oriented stochastic petri net models for threat modeling which improves reliability, consistency and robustness of the e-learning system.

Keywords: AOSPNs; Aspects; Petri nets; Security metrics; Threat modeling; e-Learning.

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Figures

Fig. 1
Fig. 1
Stochastic petri net N1
Fig. 2
Fig. 2
An aspect model with advice and introduction net. a Advice tcut. b Introduction net
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Fig. 3
Threat driven modeling framework
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Petri net model for question answering system
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Fig. 5
Reachability graph for SPNs of question answer system
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Fig. 6
Petri net model after threat mitigation
See this image and copyright information in PMC

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