Criminology expert says parents must know the warning signs because not every target of a bully will ask for help.
USM's P Sundramoorthy says cyberbullying should be classified as a serious offence and punished as such.
he 48-year-old former model may be smarting from online and press mockery for her attire during last week's trip to Ghana, Malawi, Kenya and Egypt.
Jeremy Hunt says social media firms were 'turning a blind eye' to the effect social media had on children's well-being.
A psychologist says the anonymity of the bully makes it hard for the victim to fight back.
It urges Malaysians to engage in constructive debate on public interest issues and not descend to making offensive comments, apparently referring to attacks against #UndiRosak campaigner Maryam Lee.
Although the issue at hand may relate to religion or social norms, the abuse received by victims is often targeted at matters such as their physical appearance, says BBC.