In a globalized and constantly changing society, where it is necessary to be always available, it is useful to develop activities such as day-to-day, it should be guaranteed, information security. This study has back to change personal networks in social networks, that may not be found, which has not been published in the public resources, the privacy of data security, and the actions of backup security. . To achieve this goal, the literature review is based on the discussion of communication, data security and current issues in social networks, such as fakenews. Subsequently, the questionnaire was developed, or the data collection form. It is an online working group of ten online profiles to do a report and a top bachelor's degree in Computer Science. The data obtained were submitted to a simple statistical process, identifying frequencies and means. The two social dimensions were used online.