This course introduces the right of individuals to protect their privacy. This right has been recognized by different government laws. These laws ensure that users' data collected by companies and governments will only be used for the purpose they were collected. However, there are cases where this information may be shared, e.g. population studies, the study of diseases, etc ... In these cases, there are techniques to guarantee the privacy of individuals and to allow the use of data. Finally, we describe several techniques to protect the users' privacy in online services.
(*)The teaching guide is the document in which the URV publishes the information about all its courses. It is a public document and cannot be modified. Only in exceptional cases can it be revised by the competent agent or duly revised so that it is in line with current legislation.