An alert system for users of networked computers is described. The alert system includes local software installed on the user's personal computing device, such as personal computers, cell phones and personal data assistants as well as server software. The system allows for both anonymous and non-anonymous rapid communication from the user upon a triggering event of harassment or other actions while accessing the Internet using the personal computing device. The system includes flexible and customizable communication to a variety of pre-selected recipients by a variety of communication means.