Teenagers tell us that sharing sexual pictures and videos is not unusual. It can be risky but don’t panic, there are steps you can take if things get out of control.
A child is sexually abused when they are forced or persuaded to take part in sexual activities. This doesn't have to be physical contact, and it can happen online. Sometimes the child won't understand that what's happening to them is abuse.
Understanding why people abuse can help us work out the best ways to protect children. Dr Elly Hanson, clinical psychologist and advisor to CEOP, outlines some of the factors involved.
The simplest way to have information about your child removed from a website or app, is to contact the site itself. Find out how to report to popular websites and apps.