Thought that looking up "cyber friends" on Urban Dictionary might be helpful. I thought it would be a little amusing, but it is actually pretty straight forward instead of humorous.
The Cyberbullying Research Center is dedicated to providing up-to-date information about the nature, extent, causes, and consequences of cyberbullying among adolescents. Cyberbullying can be defined as "willful and repeated harm inflicted through the use of computers, cell phones, and other electronic devices."