@inbook{21854, author = {George Sharkov and Yavor Papazov and Christina Todorova and Georgi Koykov and Georgi Zahariev}, title = {Cybersecurity Tools for Threat Intelligence and Vulnerability Monitoring for National and Sectoral Analysis}, year = {2020}, journal = {Information Security in Education and Practice}, chapter = { One}, publisher = {Cambridge Scholars Publishing}, language = {eng}, }