Security and Privacy in Data Networks

This article has as a purpose to deal with security and privacy of the data handled daily worldwide. It describes and analyzes the ways of violating private communications that make in various ways such as (Internet Activities, Smart Phones, Viruses, Hacking, Social Media, Cloud Computing, Bots, Mobile Applications, Internet of Things, Metadata, and Tracking / Surveillance). It analyzes the above mentioned and also trying to find countermeasures to protect the confidentiality and integrity of data. The collection and analysis of information nowadays is becoming more easily in different ways and from different sources to join all of them the information to create a virtual human profile becoming very easy. The freedoms of individuals have been reduced significantly in this contributed automated system in most cases without the consent of the users that record, store and process personal data including files unknowingly. This article aims to highlight the major problem of violation of the electronic data and privacy, to present countermeasures enriching knowledge from simple user until the advanced professional for the going on around and how it can defend itself.