This document defines cyberbullying and discusses its characteristics, how it happens, where it takes place, and advice for those being cyberbullied or witnessing it. Cyberbullying is defined as willful and repeated harm inflicted through electronic devices. It is characterized by being deliberate, part of a pattern of behavior rather than isolated incidents, and perceived as harmful by the target. Cyberbullying can happen anonymously online, through disinhibition enabled by technology, and without supervision. It risks widespread and constant victimization. Advice includes documenting incidents, not encouraging the behavior, and telling a trusted adult.