The article subject is cyberbullying and cybermobbing. The emphasis is placed on the legal practice of combating cyberbullying and cybermobbing issues in developing countries, since these phenomena are still insufficiently studied. The developing countries legislation is compared with doctrinal and practical developments in the fight against the studied problem in developed countries of the West and former USSR. Experiment was conducted to determine the methods effectiveness to combat cyberbullying using the social networks built-in extensions. 40 random accounts were taken in equal parts related to "male" and "female" representatives, from 18 to 30 years old. The article indicates cyber-mobbing and cyberbullying concepts and their varieties, existing in modern world. The study examines statistical data, programs and measures of different states in fight against cyberbullying and cyber-mobbing. Experiments results showed that Instagram users are aware of the built-in extensions availability of the social network to protect against cyberbullying and use them relatively frequently. With that, female segment of Instagram users is more concerned about comments content under their photos than the male one. Measures have been developed to prevent and counteract cyberbullying and cybermobbing, introduction of which into the states policies might help in the fight against these social phenomena.; Tema članka je cyber maltretiranje i cyber mobing. Naglasak je stavljen na pravnu praksu borbe protiv cyber bullyinga i cyber mobinga u zemljama u razvoju, budući da su ti fenomeni još uvijek nedovoljno proučeni. Zakonodavstvo zemalja u razvoju uspoređuje se s doktrinarnim i praktičnim dostignućima u borbi protiv proučavanog problema u razvijenim zemljama Zapada i bivšeg SSSR-a. Eksperiment je proveden kako bi se utvrdila učinkovitost metoda za borbu protiv internetskog nasilja pomoću ugrađenih proširenja društvenih mreža. Uzeto je 40 slučajnih računa u jednakim dijelovima koji se odnose na "muške" i "ženske" predstavnike, stare od 18 do 30 godina. Članak ukazuje na koncepte cyber-mobinga i cyber bullyinga i njihove sorte koji postoje u modernom svijetu. Studija istražuje statističke podatke, programe i mjere različitih država u borbi protiv cyber bullyinga i cyber mobinga. Rezultati eksperimenata pokazali su da su korisnici Instagrama svjesni ugrađenih proširenja dostupnih na društvenoj mreži kako bi se zaštitili od internetskog zlostavljanja i koriste ih relativno često. Uz to, ženski segment korisnika Instagrama više brine sadržaj komentara ispod njihovih fotografija nego muški. Razvijene su mjere za sprečavanje i suzbijanje cyber maltretiranja i cyber mobinga, čije uvođenje u politike država može pomoći u borbi protiv ovih društvenih pojava.