منابع مشابه
An Authorization Framework for Database Systems
Today, data plays an essential role in all levels of human life, from personal cell phones to medical, educational, military and government agencies. In such circumstances, the rate of cyber-attacks is also increasing. According to official reports, data breaches exposed 4.1 billion records in the first half of 2019. An information system consists of several components, which one of the most im...
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Online social networks (OSNs) have experienced tremendous growth in recent years and become a de facto portal for hundreds of millions of Internet users. These OSNs offer attractive means for digital social interactions and information sharing, but also raise a number of security and privacy issues. While OSNs allow users to restrict access to shared data, they currently do not provide effectiv...
متن کاملConcord: A Secure Mobile Data Authorization Framework for Regulatory Compliance
With the increasing adoption of mobile computing devices that carry confidential data, organizations need to secure data in an ever-changing environment. Critical organizational data should be protected from a) a disgruntled user’s access and b) a theft or loss of the mobile device. When such compromises do occur, future data access should be immediately revoked and the knowledge of the data th...
متن کاملAn Authorization Framework for Sharing Data in Web Service Federations
In this paper we present our authorization framework that supports the dynamic set-up of Web service federations for sharing data within virtual federations. Building on previous work, where we showed how the access control of Web services can be consolidated with the access control of the underlying database systems, we focus on the delegation of trust across administrative boundaries, thus en...
متن کاملArchitectural Framework for Web Services Authorization
This paper proposes an authorization architecture for Web services. It describes the architectural framework, the administration and runtime aspects of our architecture and its components for secure authorization of Web services as well as the support for the management of authorization information. The paper also describes authorization algorithms required to authorize a Web service client. Th...
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ژورنال
عنوان ژورنال: International Journal of Database Management Systems
سال: 2019
ISSN: 0975-5985,0975-5705
DOI: 10.5121/ijdms.2019.11302