Who was the hacker in cyberbully?

In the film "Cyberbully," the hacker is revealed to be a classmate named "Sam," who creates a fake online persona to harass the protagonist, Casey. The story explores the impact of cyberbullying on Casey’s life and highlights the importance of addressing such issues. The film aims to raise awareness about the dangers of online harassment and the need for support among peers. Through Casey's experience, viewers see the real-life consequences of cyberbullying.