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.

There are many different forms of online harassment, such as:

• Online bullying - violent behavior that is repeated (continuously) and consists of the use of textual or graphic content with the aim of intimidating and undermining someone's self-esteem or reputation
• Threats of violence - making threats through online channels, including threats of rape, violence, death threats, and the like. They can be directed at the victim and/or their children, relatives or friends.
• Unsolicited receipt of sexually explicit materials
• Mobbing – violent behavior in which several people are involved, and refers to the act of choosing and targeting someone in order to harass or harass them. In some cases, hundreds or thousands of people are involved in the violence