The Cloud Computing concept offers dynamically scalable resources provisioned as a
service over the Internet. Economic benefits are the main driver for the Cloud, since it …

This paper studies the current" identity crisis" caused by the substantial security, privacy and
usability shortcomings encountered in existing systems for identity management. Some of …

Electronic services such as virtual communities or electronic commerce demand user
authentication. Several more or less successful federated identity management systems …

Cloud computing (CC) gained a widespread acceptance as a paradigm of computing. The
main aim of CC is to reduce the need for customers' investment in new hardware or software …

OpenID is a user-centric and decentralized Single Sign-On system. It enables users to sign
into Relying Partiesby providing an authentication assertion from an OpenID Provider. It is …

Over the past two decades, the scenario in the computing world has evolved from client-
server to distributed systems and then to central virtualization called as cloud computing …

Cloud computing has been envisioned as the next generation architecture of IT Enterprises.
It offers great potential to improve productivity and reduce costs. In contrast to traditional …

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The transparency of the (authentic) self has been raising serious issues that point at the fact
that digital identity strategy has become essential. The digitalized and networked status, with …

Whilst the growing number of identity management systems have the potential to reduce the
threat of identity attacks, major deployment problems remain because of the lack of …