Chapter1. Frauds in Online Social Networks: A Review.- Chapter2. Leveraging Social Network Analysis and Cyber Forensics Approaches to Study Cyber Propaganda Campaigns.- Chapter3. Hiding Self on Facebook Sidebar Ticker, Surveillance and Privacy.- Chapter4. Identifying In uential Spreaders in Complex Networks with Probabilistic Links.- Chapter5. Decentralized Online Social Networks Architectures.- Chapter6. We Shall Not Only Survive To The Future of Social Networks.- Chapter7. A Centrality Measure for Directed Networks: m - Ranking Method.- Chapter8. Searching on Facebook Through the Lens of the Concept of Privacy.- Chapter9. Emergency Detection and Evacuation Planning Using Social Media.- Chapter10. Social Network Analysis to Combat Terrorism: 2015 Paris Attacks.