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Measuring network security using dynamic bayesian network
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Conference on Computer and Communications Security archive
Proceedings of the 4th ACM workshop on Quality of protection table of contents
Alexandria, Virginia, USA
SESSION: Security measurement table of contents
Pages 23-30  
Year of Publication: 2008
ISBN:978-1-60558-321-1
Authors
Marcel Frigault  Concordia University, Montreal, PQ, Canada
Lingyu Wang  Concordia University, Montreal, PQ, Canada
Anoop Singhal  National Institute of Standards and Technology, Gaithersburg, MD, USA
Sushil Jajodia  George Mason University, Fairfax, VA, USA
Sponsors
SIGSAC: ACM Special Interest Group on Security, Audit, and Control
ACM: Association for Computing Machinery
Publisher
ACM  New York, NY, USA
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ABSTRACT

Given the increasing dependence of our societies on networked information systems, the overall security of these systems should be measured and improved. Existing security metrics have generally focused on measuring individual vulnerabilities without considering their combined effects. Our previous work tackle this issue by exploring the causal relationships between vulnerabilities encoded in an attack graph. However, the evolving nature of vulnerabilities and networks has largely been ignored. In this paper, we propose a Dynamic Bayesian Networks (DBNs)-based model to incorporate temporal factors, such as the availability of exploit codes or patches. Starting from the model, we study two concrete cases to demonstrate the potential applications. This novel model provides a theoretical foundation and a practical framework for continuously measuring network security in a dynamic environment.


REFERENCES

Note: OCR errors may be found in this Reference List extracted from the full text article. ACM has opted to expose the complete List rather than only correct and linked references.

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Collaborative Colleagues:
Marcel Frigault: colleagues
Lingyu Wang: colleagues
Anoop Singhal: colleagues
Sushil Jajodia: colleagues