Cyberbullying

[Kai]

There are bullies and then there are cyberbullies. While bullying typically happens at school or work, cyberbullying takes place over cyberspace. This includes both Internet and cell phone communication. Like physical bullying, cyberbullying is aimed at younger people, such as children and teenagers. It may involve harassing, threatening, embarrassing, or humiliating young people online.
Cyberbullying can take many forms. The following are just a few examples:
NOTE: Technically, cyberbullying takes place between two young people. When adults are involved, it may be called cyber-harassment or cyberstalking.

[Raeanne Dimick]

the activity of using the internet to harm or frighten another person, especially by sending them unpleasant messages:

[Justin Bieber]

The use of electronic communication to bully a person, typically by sending messages of an intimidating or threatening nature.