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   2. https://www.statista.com/statistics/264810/number-ofmonthly-active-facebook-users-worldwide/
   3. Ralph Gross and Alessandro Acquisti: Information Revelation and Privacy in Online Social Networks (The Facebook case), ACM Workshop on Privacy in the Electronic Society (WPES), 2005.
   4. Weimin Luo, Jingbo Liu, Jing Liu and Chengyu Fan: An analysis of security on social networks. Eighth IEEE International Conference on Dependable, Autonomic and Secure Computing, 2009.
   5. Sanaz Taheri Boshrooyeh, Alptekin Ku¨pc¸u¨ and O¨ znur O¨ zkasap: Security and Privacy of Distributed Online Social Networks, IEEE 35th International Conference on Distributed Computing Systems Workshops, 2015.
   6. Facebook: http://www.facebook.com
   7. LinkedIn: http://www.linkedin.com
   8. Twitter: http://www.twitter.com
   9. Instagram: http://www.instagram.com
   10. Sophos: https://www.sophos.com/en-us/securitynews-trends/security-trends/social-networking-securitythreats/facebook.aspx
   11. http://facecrooks.com/Scam-Watch/how-to-spot-afacebook-survey-scam.html/
   12. http://www.idtheftcenter.org/
   13. Mirjam Šitum, ANALYSIS OF ALGORITHMS FOR DETERMINING TRUST AMONG FRIENDS ON SOCIAL NETWORKS, Vienna, June 2014.
   14. Mohammad H. Al Shayeji, Ghufran A. Al Shiridah, and M. D. Samrajesh: A Secure Framework for Multimedia Protection in Social Media Networks, International Journal of Innovation, Management and Technology, Vol. 3, No. 6, December 2012