The emerging Internet-of-Things (IoT) are vulnerable to Sybil attacks where attackers can
manipulate fake identities or abuse pseudoidentities to compromise the effectiveness of the …

Users increasingly rely on the trustworthiness of the information exposed on Online Social
Networks (OSNs). In addition, OSN providers base their business models on the …

Social Network Systems pioneer a paradigm of access control that is distinct from traditional
approaches to access control. Gates coined the term Relationship-Based Access Control …

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 …

Sybil attacks are a fundamental threat to the security of distributed systems. Recently, there
has been a growing interest in leveraging social networks to mitigate Sybil attacks. However …

Any decentralised distributed network is particularly vulnerable to the Sybil attack wherein a
malicious node masquerades as several different nodes, called Sybil nodes, simultaneously …

One or more techniques and/or systems are disclosed for detecting and/or mitigating a
potentially compromised online user account. One or more baselines can be established for …

Malware detection is often based on monitoring a local application binary and/or process,
such as detecting patterns of malicious code, unusual local resource utilization, or …

Internet of Things is undoubtedly a well-known research area. In fact, ensuring security of
data exchange is among the great challenges of the Internet of things. In this paper, we …

The Relationship-Based Access Control (ReBAC) model was recently proposed as a
general-purpose access control model. It supports the natural expression of parameterized …