With the transition from industrial society to information society, developments in the field of communication, information production, storage, sharing, and criticism has become independent of time and space. In Industrial society, in almost every country information generation and sharing had been controlled by cartels of the media. However, with the transition to an information society, this information generation and sharing of resources, diversified and on the computer and mobile device (smart phone, tablet PC s, etc ...), depending on the developments in space technology and periodically released from commitment. In other words, information is no longer a one-way communication is also certain people and monopoly. Therefore, the use of the mass media in the spread of the base (blog , personal sites ), and the variety of sources of information were transferred to individual experience was very easy and fast way. But recently especially spread of social networks such as Facebook and twitter changed communication format, firmly rooted in the classical meaning of the breaking, resulted in the transformation of a structured communication process. But social networks such as Facebook and twitter especially the recent emergence and spread of networks, communication format, is firmly rooted in the classical meaning of the breaking, resulted in the transformation of a structured communication process. So communication is fully interactive, multi-dimensional and turned into a process of mutual interaction. This rapid and substantial progress in the field of generic media from individuals to each element of a country or society, making it more visible and easily accessible, ie, trade secrets related to them (they can be a state secret ), and the necessary information (which may be strategies of firms ) have become accessible. This means that an aspect of the transparency and mutual exchange of information easier, but also other aspects of the hands of ill-intentioned people who are at risk of transformation to a danger to individuals and society. In this study, the so-called social media site features by introducing new communication tools, social media, traditional media, the emphasis is on the socalled media tools, the difference is then discussed and the effects of the public in forming public opinion in the process of creating or forwarding, and potential risks are discussed. In this context, the full potential of social media has made positive and negative contributions to the understanding of the risks associated with, and security are analyzed.