User-Review Social Networks (URSNs) now become the targets of Sybil attacks, where fake
reviews are posted by attackers to raise the reputation of listed services or products. Unlike …

The problem of malicious activities in online social networks, such as Sybil attacks and
malevolent use of fake identities, can severely affect the social activities in which users …

Identifying malicious users in online social networks (OSNs) is a challenging task that
demands a great deal of skill and knowledge because these users can have multiple forms …

Sybil attacks are increasingly prevalent in online social networks. A malicious user can
generate a huge number of fake accounts to produce spam, impersonate other users …

With the growth of mobile social networks (MSNs), crowdsourced information could be used
for recommendation to mobile users. However, it is quite vulnerable to Sybil attacks, where …

Sybil attacks are increasingly growing and expanding in social networks. A malicious user
with a fake identity, known as a Sybil attack, can create a large number of fake accounts to …

We provide a unique method to enhance cybersecurity threat prediction using generative
adversarial networks (GANs). Through competitive training, the generator and discriminator …

Users increasingly rely on the trustworthiness of the information available on Online Social
Networks (OSNs). OSNs have always suffered from the creation of fake accounts, especially …

Crowdsourced opinion portals allow people to share experiences and assessments about
products or services by posting reviews online, and have become an informative source for …