A young woman from Cork says she was horrified to find her pictures were taken from Facebook and posted and edited on a pornography website.
19 year old Katie Kirwan says photos of her when she was 14 were taken without her permission and used on a porn site - where threatening and offensive comments were posted.
She says a number of her friends had their images taken and manipulated as well.
Katie says Gardai have been informed - but her picture remains on the site: