NDLI: A cloud-user behavior assessment based dynamic access control model

Content Provider	Springer Nature Link
Author	Jing, Xu Liu, Zhengnan Li, Shuqin Qiao, Bin Tan, Gexu
Copyright Year	2015
Abstract	In traditional role-based access control (RBAC) model, the permission is bound with identity statically, without being dynamically adjusted by user behavior. Cloud users distribute widely and constitute complex and have legitimate identity whose behavior may be incredible, but any attack is achieved through malicious behavior. The cloud-user behavior assessment based dynamic access control model was proposed by introducing user behavior risk value, user trust degree and other factors into RBAC. First, the times of threat behavior was introduced into the information security risk equation to improve the accuracy of user behavior risk value. Then, both the times of threat behavior and the uneven interval of risk threshold were introduced the trust model based on behavior risk evolution to improve the accuracy of user trust degree. Finally, the dynamic authorization was achieved by mapping trust level and permissions. By the simulation experiment in a small campus cloud system, it can be shown that the change of user behavior risk value and user trust degree is more rational under different times and frequencies of threat behavior, and dynamic authorization is flexible by mapping the risk level and the user permissions.
Starting Page	1966
Ending Page	1975
Page Count	10
File Format	PDF
ISSN	09756809
Journal	International Journal of System Assurance Engineering and Management
Volume Number	8
Issue Number	3
e-ISSN	09764348
Language	English
Publisher	Springer India
Publisher Date	2015-12-22
Publisher Place	New Delhi
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Access control Dynamic authorization Cloud-user behavior risk Trust degree Quality Control, Reliability, Safety and Risk Engineering Economics, Organization, Logistics, Marketing
Content Type	Text
Resource Type	Article
Subject	Strategy and Management Safety, Risk, Reliability and Quality

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