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 …

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 …

Assessing multi-hop interpersonal trust in online social networks (OSNs) is critical for many
social network applications such as online marketing but challenging due to the difficulties of …

Peer to peer (P2P) e-commerce applications exist at the edge of the Internet with
vulnerabilities to passive and active attacks. These attacks have pushed away potential …

As the ubiquity of smartphones increases we see an increase in the popularity of location
based services. Specifically, online social networks provide services such as alerting the …

Cognitive radio plays an important role in improving spectrum utilization in wireless services.
In the cognitive radio paradigm, secondary users (SUs) are allowed to utilize licensed …

Sybil attacks, in which an adversary forges a potentially unbounded number of identities, are
a danger to distributed systems and online social networks. The goal of sybil defense is to …

As the major function of Recommender Systems (RSs) is recommending commercial items
to potential consumers (ie, system users), providing correct information of RS is crucial to …

Rumor blocking and Sybil Attack are regarded as two main security threats in online social
networks. The existing work on rumor blocking mainly considers how to minimize the …

The soaring adoption of location-based social networks (LBSNs) makes it possible to
analyze human socio-spatial behaviors based on large-scale realistic data, which is …