Initiating an attack with third parties directed at another person, by making threatening or insulting material accessible to a multitude of end-users, by means of information and communication technologies, with the effect of causing significant effects to the attacked person; also includes participating with third parties in attacks. The victims are often women in prominent public functions or roles, such as politicians, journalists or activists, and they face sexist insults and specific gender-based threats, such as threats of rape or femicide, which cause anxiety, fear and concern for their own safety.

Online harassment is often achieved by a "storm of abuse" in which multiple abusers terrorize victims by threatening violence.

In some cases, they manipulate search engines to ensure that falsehoods appear prominently in searches of victims' names. Abusers invade victims' privacy by publishing their sensitive information, such as intimate videos or personal identification information.

Postoji više različitih oblika online uznemiravanja, poput:

• Online maltretiranja – nasilničko ponašanje koje se ponavlja (u kontinuitetu), a sastoji se od korištenja tekstualnog ili grafičkog sadržaja s ciljem zastrašivanja i podrivanja nečijeg samopoštovanja ili ugleda
• Prijetnje nasiljem – upućivanje prijetnji putem online kanala, uključujući prijetnje silovanjem, nasiljem, prijetnje smrću i slično. Mogu biti usmjerene na žrtvu i / ili njihovu djecu, rodbinu ili prijatelje.
• Neželjeno primanje seksualno eksplicitnih materijala
• Mobing – nasilničko ponašanje u koje je uključeno više osoba, a odnosi se na čin izbora i ciljanja nekoga kako bi ga se maltretiralo ili uznemiravalo. U nekim slučajevima u nasilje je uključeno stotine ili tisuće ljudi