Croatian Academic and Research Network (CARNET) is a public institution operating within the Ministry of Science and Education in the field of information and communication technology and its application in education. CARNET began operating in 1991 as a project of the then Ministry of Science and Technology and became the first and only provider of Internet services in Croatia. Four years later, the Government of the Republic of Croatia adopted the Decree on the establishment of CARNET institution with the aim of innovating the education system and encouraging the progress of individuals and the society as a whole through ICT (information and communication technology). CARNET network is a private network of the academic, scientific and research community of the Republic of Croatia, as well as the institution within the primary and secondary education system. Our services are available to primary and secondary schools, institutions from the science and higher education institutions, as well as to numerous public institutions such as certain ministries, hospitals, etc. More than 2600 institutions, with more than 3800 locations across Croatia, are currently connected to CARNET network. Our individual users are students, teachers, professors, scientists and other staff members of CARNET members, and all citizens of the Republic of Croatia in the segment of security on the Internet.