Author(s): Mohammad Hossein Ariana1, A Broumandnia2

Today, we use most of time generating and sharing data using communication devices and social networks. Companies might collect and analyze these vast amounts of data, known as big data and put them in huge datasets. They might perform some processing on this data, i.e. big data analytics to get better insights about us and use them on processes like targeted advertising to improve their business and sometimes help us. But the point here is that out information might be mined for information about us and used against us. This process might violate our privacy. Different threats related to privacy are presented here and some solutions have been discussed.