You can report cyberstalking to the FBI. This requires filing a report with the Internet Crime Complaint Center (IC3). Cyberstalking best fits in the “Other Cyber Crime” category. Upon selecting this, you’ll be asked to provide pertinent information including your contact details and a description of the cyberstalking incident in question. Alternatively, you can contact the nearest FBI field office or report cyberstalking via tips.fbi.gov.