(3)The SRB, here represented by the SRB Head of Unit Corporate Services and ICT, processes several categories of personal data, and particularly identification data, contact data, professional data. The personal data are stored in a secured electronic environment which prevents unlawful access or transfer of data to persons who do not have a need to know. The personal data processed are retained in accordance with the EC rules on retention of data. At the end of the retention period, the collected information including personal data is deleted in accordance with the maximum agreed period: visitors log books: 6 months, video surveillance system: 30 days, access control system: 2 months.