 Dear students, now we are going to study the concept of cyber warfare. Cyber warfare is defined as a cyber attack or a series of attacks that target a particular country. Cyber attacks when conducted against a particular country, they have their own kind of motivations. They may be conducted to weak the political system of the country and to disrupt the economic system of the country and to breach the security of the country. So whatever is the motivation on the basis of which a cyber attack is conducted, it ultimately weakens the political system and the security of the country. There are different types of cyber warfare in which espionage, sabotage, denial of service attacks, more types are included, electric power grid, propaganda attack, economic disruption attack and surprise attacks.