00548naa#a2200157#i#450# EN\\bibl\81252 20250430205655.3 2078-5356 20240328b2024####ek#y0engy0150####ca RU Legal regulation of cyberextremism and cyberterrorism: challenges and opportunities Journal article Nizhny Novgorod Nizhny Novgorod Academy of the Ministry of the Interior of Russia 2024 5 с. Journal article local Mel'nik Svyatoslav Sergeevich namvd.editorum.ru