Attribute-based access control (ABAC) is a promising alternative to traditional models of
access control (ie, discretionary access control (DAC), mandatory access control (MAC), and …

As organizations increase their reliance on, possibly distributed, information systems for
daily business, they become more vulnerable to security breaches even as they gain …

Information security and privacy in the healthcare sector is an issue of growing importance.
The adoption of digital patient records, increased regulation, provider consolidation and the …

Abstract The dissemination of Electronic Health Records (EHRs) can be highly beneficial for
a range of medical studies, spanning from clinical trials to epidemic control studies, but it …

Role-based access control (RBAC) is adopted in the information and communication
technology domain for authentication purposes. However, due to a very large number of …

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 …

There any many different access-control systems, yet a commonality is that they provide
flexible mechanisms to enforce different access levels. Their importance in organisations to …

Protecting access to digital resources is one of the fundamental problems recognized in
computer security. As yet it remains a challenging problem to work out, starting from the …

Access control is an important measure for the protection of information and system
resources to prevent illegitimate users from getting access to protected objects and …

There are many security issues in cloud computing service environments, including
virtualization, distributed big-data processing, serviceability, traffic management, application …