Проблемы и реализация комплекса мер безопасности компьютерных сетей

Security information system – a characteristic that is the state of the system to ensure the availability, confidentiality and integrity of information. The article describes the established approaches to information security of computer networks. 2015 did not pass without a high-profile incidents of violation of information security of computer networks and systems. The article provides a generalized analysis of the security threats on various indicators, including DDoS-attacks, in 2015, marked the most used methods: SYN-DDoS, TCP-DDoS, and HTTP-DDoS. The main tool that provides attacks – a Linux-bots, they are often used by cybercriminals. In III quarter 2015 DDoS-attacks from botnets operating on a Linux based operating systems accounted for 46 % of the total number of DDoS-attacks. There is a grow-ing vulnerability of mobile electronics. The problems of network security operating system Apple. Revealed the most ef-fective and least costly financial solutions to the problems of security of computer networks. The main task of ensuring compliance with the level of security at the administrative level, highlighted the possible sequence of actions aimed at improving the delivery of quality information services and ensure their implementation by providing the necessary re-sources and continuous monitoring of actual performance. The article defines the importance of repeated treatments au-thentication and identification of users. Identify possible ways to administer, to maintain the security of the network. The models of administration of different size and complexity of information systems. The main provisions of the creation of a comprehensive security policy. The recommendations on the construction of the system of protection of information systems.