Cloud computing plays an important role in fulfilling the present day organizational
requirements. The recent attraction of cloud web services due to its availability and cost …

The ability to share services and information between departments, partners, customers and
other stakeholders of the company's ecosystem is one of the major advantages of cloud …

Web service is a new service-oriented computing paradigm which poses the unique security
challenges due to its inherent heterogeneity, multi-domain characteristic and highly dynamic …

Cloud computing is the use of computing resources like hardware and software that are
delivered as a service over a network. It confides remote services with a user's data and …

Web service is a programmable interface accessible through a network. In this paper we
focus on the scenario in which different organizations use Web services to collaborate …

Cloud computing is a distributed computing paradigm and provides services to the
customers through the internet. Cloud computing virtualizes system by pooling and sharing …

Cloud is a relatively new concept and so it is unsurprising that the information assurance,
data protection, network security and privacy concerns have yet to be fully addressed. The …

Attribute Based Access Control can define permissions based on just about any security
relevant characteristics of requestors, actions, resources, and environment, known as …

One of the challenging problems cloud computing is facing today is the security of data in
the cloud. Since the physical location of user data in the cloud is unknown and the data are …

Identity and access management is essential of security issues in cloud. This paper presents
an identity and access management architecture to solve a series of new problems that …