Cyberbullying (also spelled Cyber-bullying, Cyber bullying or online bullying) is the term used to refer to bullying and harassment by use of electronic devices though means of e-mail, instant messaging, text messages, blogs, mobile phones, pagers, and websites. Other terms for cyberbullying are “electronic bullying,” “electronic harassment,” “e-bullying,” “SMS bullying,” “mobile bullying,” “online bullying,” “digital bullying,” or “Internet bullying”.
It can constitute a computer crime. For example, in the United States it is a federal crime to anonymously “annoy, abuse, threaten, or harass any person” via the internet or telecommunication system, punishable by a fine and/or up to two years imprisonment.
Cyberbullying is willful and involves recurring or repeated harm inflicted through the medium of electronic text. According to R.B. Standlerbullying intends to cause emotional distress and has no legitimate purpose to the choice of communications. Cyberbullying can be as simple as continuing to send e-mail to someone who has said they want no further contact with the sender. Cyberbullying may also include threats, sexual remarks, pejorative labels (i.e., hate speech). Cyber-bullies may publish personal contact information for their victims at websites. They may attempt to assume the identity of a victim for the purpose of publishing material in their name that defames or ridicules them.
Source : wikipedia