occasional – adj. happening or done sometimes, but not often

cybersecurity – n. the protection of internet-connected systems, including hardware, software and data, from cyberattacks

mass – n. the central act of worship in the Catholic church

brick – n. a small, hard block of baked clay that is used to build structures and sometimes to make streets or paths

Molotov cocktail – n. a simple bomb made from a bottle filled with gasoline and stuffed with a piece of cloth that is lit before the bottle is thrown

digital –adj. related to computers and information on them

factors –n. something that helps produce or influence a result

isolated – adj. separate from others