MILKOV, Todor. CYBER SECURITY AND COUNTERMEASURE OF CYBER THREATS AT THE "MUNICIPALITY" LEVEL (ON THE EXAMPLE OF THE MUNICIPALITY OF RUSE). E-Journal VFU, [S. l.], n. 21, p. 551–565, 2024. DOI: 10.53606/evfu.21.551-565. Disponível em: https://ejournal.vfu.bg/index.php/vfu/article/view/112. Acesso em: 23 feb. 2026.