Cyber security of a critical infrastructure

A critical infrastructure consists of basic assets and facilities whose functioning has a significant impact on the society economy country, as well its security. The life work citizens country are largely dependent smooth operation various energy, telecommunication, water sewage facilities, network hospitals health institutions, transportation, etc. safe these systems is prerequisite for existence development social community in an area. Therefore, it necessary to undertake all activities preserve both reality cyberspace. With Internet, there been transformation people's broadest sense, such way that become indispensable part everyday each us. Together with largest global increasingly used services people necessarily being relied new world encountered during COVID-10 pandemic, created vast space attracting malicious users. They act by using known mechanisms communication networks other information technologies, finding system vulnerabilities exploit them. In this paper, we will analyze cyber security infrastructure, attacks measures needed be taken mitigate consequences attacks.