A New Distributed Chinese Wall Security Policy Model

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Title: A New Distributed Chinese Wall Security Policy Model
Authors: Fehis, Saad
Nouali, Omar
Kechadi, Tahar
Permanent link: http://hdl.handle.net/10197/9295
Date: 2016
Abstract: The application of the Chinese wall security policy model (CWSPM ) to control the informationflows between two or more competing and/or conflicting companies in cloud computing(Multi-tenancy) or in the social network, is a very interesting solution.The main goal of the Chinese Wall Security Policy is to build a wall between the datasetsof competing companies, and among the system subjects. This is done by the applying tothe subjects mandatory rules, in order to control the information flow caused between them.This problem is one of the hottest topics in the area of cloud computing (as a distributedsystem) and has been attempted in the past; however the proposed solutions cannot dealwith the composite information flows problem (e.g., a malicious Trojan horses problem),caused by the writing access rule imposed to the subject on the objects.In this article, we propose a new CWSP model, based on the access query type of the subjectto the objects using the concepts of the CWSP. We have two types of walls placement, thefirst type consists of walls that are built around the subject, and the second around theobject. We cannot find inside each once wall two competing objects data. We showed thatthis mechanism is a good alternative to deal with some previous models limitations. Themodel is easy to implement in a distributed system (as Cloud-Computing). It is based on thetechnique of Object Oriented Programming (Can be used in Cloud computing Software asa service SaaS) or by using the capabilities as an access control in real distributed system
Funding Details: Science Foundation Ireland
Type of material: Journal Article
Publisher: Association of Digital Forensics, Security and Law
Copyright (published version): 2016 ADFSL
Keywords: Security policy;Chinese Wall;Information flow;Distributed system;Cloud computing
DOI: 10.15394/jdfsl.2016.1434
Language: en
Status of Item: Peer reviewed
Appears in Collections:Computer Science Research Collection
Insight Research Collection

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