TY JOUR TI METHODS OF MONITORING, CONTROL AND TESTING SECURITY ANALYSIS OF NETWORK ACTIVITY OF USERS OF COMPUTER NETWORKS IN THE INTERESTS OF INFORMATION SECURITY SYSTEM KW computer network KW network traffic KW security of computer networks KW statistical traffic analysis KW Bayesian classifier JO Problems of risk management in the technosphere AU Silnikov, M.V. AU Malygin, I.G. AU Kozmovsky, D.V. PY 2015 IS 2015 PB Saint-Petersburg University of State Fire Service of Emercom of Russia