Participatory sensing is an emerging paradigm in which citizens everywhere voluntarily use
their computational devices to capture and share sensed data from their surrounding …

Online social networks (OSNs) suffer from the creation of fake accounts that introduce fake
product reviews, malware and spam. Existing defenses focus on using the social graph …

Influential users have great potential for accelerating information dissemination and
acquisition on Twitter. How to measure the influence of Twitter users has attracted significant …

This paper reviews the Sybil attack in social networks, which has the potential to
compromise the whole distributed network. In the Sybil attack, the malicious user claims …

In this paper, we propose a Social-based Mobile Sybil Detection (SMSD) scheme to detect
Sybil attackers from their abnormal contacts and pseudonym changing behaviors …

Distinct social networks are interconnected via membership overlap, which plays a key role
when crossing information is investigated in the context of multiple-social-network analysis …

Sybil attacks present a significant threat to many Internet systems and applications, in which
a single adversary inserts multiple colluding identities in the system to compromise its …

摘要异常帐号检测是在线社交网络安全研究的关键问题之一. 攻击者通过异常帐号传播广告,
钓鱼等恶意消息以及恶意关注, 点赞等行为严重威胁到正常用户的信息安全和社交网络的信用 …

Trust is a hidden fabric of online social networks (OSNs) that enables online interactions, eg,
online transactions on Ebay. The fundamental properties of trust in OSNs, however, have not …

Online Social Networks (OSN) are a permanent presence in today's personal and
professional lives of a huge segment of the population, with direct consequences to offline …