“Bullying is usually defined as being an aggressive, intentional act or behaviour that is carried out by a group or an individual, repeatedly and over time, against a victim who cannot easily defend him or herself” (Olweus, 1999). Cyber bullying or the umbrella term used is ‘online harassment’ which is defined as intentional behaviour to harm others through the Internet or mobile devices. Though it may be generally less physical it is not less damaging to the victims and can lead to violence and suicide in extreme cases. Privacy and personnel information can also be exposed to a huge audience and damaging data even stealing identities. The variety and scope for different attacks is phenomenal with applications to hack and control others computers coming into the market at an alarming rate. It is also different from general bullying in a few ways such as victims may also resort to revenge online towards the bullies. What drives cyber bullies and why has it become such a huge phenomenon? Cyber bullying in Thailand schools like many other nations has taken a prominent position in the issues that need to be addressed by schools, teachers and parents alike. While offline bullying has been largely documented and studied for years, cyber bullying has been racing out of control without any obstructions. There could be many reasons for this such as it seems that teachers and students do not always take is seriously or see it as an issue. In this day and age