Young people are told how to protect themselves from cyber stalkers Cyberstalkers use data from social networks for blackmail and threats. Attackers can harass victims through instant messengers and social networks, blackmail them by posting intimate photos or details about their personal lives, and also extort money. The National Center for Assistance to Missing Children and Victims gave recommendations on how to avoid cyber threats: - Do not add strangers as friends on social networks; - enable two-factor authentication; - close online profiles; - Do not post geotags or share details about your personal life; - If network surveillance has already begun, you must save all correspondence and contact the police. read more