A new report has found that over a quarter of children in Ireland between the ages of 9 and 16 have been bullied - that's higher than the EU average.
The findings of the report were launched by the new Watch Your Space campaign - which coincides with Safer Internet Day tomorrow.
The campaign is urging young people to intervene if they witness cyber bullying.
Matthew O'Driscoll is a teenager from Kilmacud in Dublin - he says young people can offer support to each other:
[podcast]http://www.highlandradio.com/wp-content/uploads/2013/02/13kellSTUDY.mp3[/podcast]