In the article grounded, that informative safety occupies one of key places in the system of providing vitally of important interests of all countries. It is foremost conditioned by the urgent necessity of creation of the developed informative environment of society. But ex- actly through an informative environment mostly come true threat to national safety in the different spheres of activity of personality, society and state. In modern terms there was a requirement in overthinking and clarification of problem of informative safety through the prism of existential and network practices taking into account modern ambivalent of in- formative processes. It is shown that network practices of providing of informative safety have a row of featu...