EN
This article presented mechanism and instruments of contemporary psychological warfare. Phenomenon of propaganda will be discussed and also the role of its main carrier: mass media. In the further part of the work cyberspace will be presented as other large area of contest for influence on societies. Manipulation of social consciousness, which is conducted by state regimes and other participators of international relations, is permanent element of contemporary international environment. That is the reason why it is so important to know mechanism of it.