Fundamentals of Information Security A manual for students of higher educational establishments - 2 ed., Sr. - (Higher professional education and information security ") (neck) / Osnovy informatsionnoy bezopasnosti Uchebnoe posobie dlya studentov vysshikh uchebnykh zavedeniy - 2-e izd.,ster. - ("Vysshee professionalnoe obrazovanie-Informatsionnaya bezopasnost") (GRIF)