“…Young people who are at risk of becoming victims of cyberbullying are characterised by the following: vulnerable, immature or socially naïve adolescents who possibly lack sufficient knowledge and skills to efficiently make decisions; young teenagers who have overprotective or naïve parents, but who probably have healthy peer relationships and a good value system; the young who have momentary problems in their relationship with parents and/or peers and are currently emotionally disturbed; the young who face major current challenges related to personal mental health and disruptions in their relationship with parents, school and/or peers (Feinberg & Robey, 2009). As is the case with traditional bullying (Salmivalli, 1999(Salmivalli, , 2001(Salmivalli, , 2010Salmivalli, Huttunen & Lagerspetz, 1997;Salmivalli & Isaacs, 2005;Sallmivalli, Kaukiainen, Kaistaniemi & Lagerspetz, 1999;Salmivalli, Kaukiainen & Voeten, 2005;Salmivalli, Voeten & Poskiparta, 2011), cyberbullying also includes a special category of students signified as observers (Opsenica Kostić, Panić & Cakić, 2015). The research which our authors Opsenica Kostić, Panić and Cakić (2015) conducted on a sample of 285 students from Sremska Mitrovica (141 young men, 144 young ladies) aged 15 to 19 years, showed that around 40% of respondents do not participate in any form of cyberbullying, 14,7% of respondents bear witness to bullying while around 45% of respondents can be perceived as participants in cyberbullying either in the role of bullies (6%) or victims (13%) and bullies/victims (26%).…”