Whether the IP addresses should be treated as personal data? Whether an employer may monitor employee e-mail box business? Whether it is permitted to use the information available on social networking sites? Nowadays, more and more attention is paid to the protection of personal data on the Web, and entrepreneurs and employees, offices need to know the answers to the questions, which previously no one zaprzątał the head. The book explains all of the problematic issues that relate to processing, sharing and securing of personal data on the Internet and corporate networks and official.