Cyberstalking Definition

Using the Internet, through chat rooms and e-mail, to find, identify, and arrange to meet a person whom one intends to criminally victimize.
Webster's New World Law
Sending multiple e-mails, often on a systematic basis, to annoy, embarrass, intimidate, or threaten a person or to make the person fearful that she or a member of her family or household will be harmed. Also called e-mail harassment.
Webster's New World Law

Present participle of cyberstalk.