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Security Issues of Social Network Sites
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Social networks is one of the most advanced forms of communications. The network of social relations, that is built during our everyday life, can be moved to the Web, organized and expanded with new contacts. The social network phenomenon was born in the USA and developed around three main categories: professional links, friendship and love relations.
What Social Networks Are
Social networks are very widely diffused today. A social network is a social structure made of people that are tied by one or more specific types of interdependency, such as values, visions, ideas, financial exchange, friendship and so on. A social network can be represented as a graph, where nodes are generally individuals or organizations, edges are relationships between two nodes, as in figure 1.
The "Internet version" of social networks is one of the most advanced forms of communications. The network of social relations, that is built during our everyday life, can be moved to the Web, organized and expanded with new contacts. The social network phenomenon was born in the USA and developed around three main categories: professional links, friendship and love relations.
Online social networks had an "explosion" in 2003, thanks to the popularity of some sites, such as Friendster, Tribe.net and LinkedIn. Other social networking sites, such as Orkut (by Google) and Kibop, appeared in 2004. Nowadays the most popular ones are
- Added on: Feb 20th, 2009
- Country: United States
- Language: English
