SocialNetworkingSecurity.ppt

Social Networking Security Adam C. Champion and Dong Xuan CSE 4471: Information Security Outline Overview of Social Networking On-line Social Networking Mobile Social Networking Threats and Attacks Defense Measures Online Social Networking (OSN) Online Web services enabling people to connect with each other, share information Common friends, interests, personal info, … Post photos, videos, etc. for others to see Communicate via email, instant message, etc. Major OSN services: Facebook, Twitter, MySpace, LinkedIn, etc. “Giving people the power to share and make the world more open and connected.” OSN Popularity Over 900 million Facebook users worldwide [6] Over 150 million in U.S. [5] Over 450 million access via mobile [6] 300 million pictures uploaded to Facebook daily [6] Over 140 million Twitter users; over 340 million Tweets sent daily [7] Over 175 million LinkedIn members in over 200 countries [8] Benefits of OSN Communication Vast majority of college students use OSNs Organizations want to market products, services, etc. to this demographic OSNs can help them reach these potential buyers OSNs provide communal forum for expression (self, group, mass), collaboration, etc. Connect with old friends, find new friends and connect Play games with friends, e.g., Mafia Wars, Scrabulous Commerce in “virtual items” But using OSNs poses security issues for orgs as well as individuals Mobile Social Networking E-SmallTalker E-Shadow * Application Scenario: Conference Small Talk People come into contact opportunistically Face-to-face interaction Crucial to peoples social networking Immediate non-verbal communication Helps people get to know each other Provides the best opportunity to expand social network Small talk is an important social lubricant Difficult to identify significant topics Superficial * A Naive Approach of Smartphone-based Small Talk Store all user’s information, including each user’s full contact list User report either his own geo-location or a collect