The Children's Commissioner has said the public will be shocked at both the scale of family child sex abuse and the way in which victims are treated.
Dame Maggie Atkinson has ordered a two-year national review of chid sex abuse within family environments, including arising from forced marriages.
"Society is rightly horrified by child sexual abuse," Dame Maggie said.
"Most of our children are raised in secure, loving homes but I am sure very many of us will be disturbed by how much abuse within the family environment goes unreported and how little is done to support the children who suffer," she added.
The NSPCC's 'Talk PANTS' campaign, launching today, is being supported by Netmums and complements the organisation's ChildLine Schools Service, which is visiting every primary school in the UK advising children how to stay safe from all forms of abuse.
Peter Wanless from the NSPCC said the campaign aimed to make children more aware of what abuse is so that they can identify it and prevent it, as well as enabling children to talk to their parents about the issue.
The shocking case of Savile has horrified many parents and understandably it has heightened concerns around sexual abuse. But most abuse is closer to home and if we are to tackle this issue we must prevent it before it even starts.
To do this we must educate our children about staying safe and speaking out.
Parents are being urged to talk to their children about sex abuse in order to protect them from being victimised by potential predators.
The NSPCC has launched a new 'Talk PANTS' campaign aimed at encouraging parents to have open conversations with their children on the subject. NSPCC chief exec Peter Wanless said opening up the channels of communication was key for parents, and could "make a big difference."
Parents have told us they lack confidence in approaching this difficult but important issue. We've worked with parent groups to devise a simple, age appropriate way of making sure children speak up if something happens. It's a quick conversation but could make a big difference."
The NSPCC has launched a campaign aimed at helping parents talk to their children about sex abuse, in a bid to protect children from sexual abuse. The campaign, called 'Talk PANTS' encourages parents to teach their child five simple rules:
The NSPCC has launched a new campaign to help parents protect their children from sexual abuse. The campaign is aimed at helping parents talk to their children more to enable them to lower the risk of being victims of offending.
It comes as a YouGov poll shows that half the parents of 5-17-year-olds surveyed have never spoken to their sons or daughters about the issue.
A retired West Sussex Church of England priest and a former organist and choirmaster have been found guilty of a string of child sex abuse offences dating back more than 25 years.
A judge said that Father Keith Wilkie Denford and Michael Mytton had committed "a grave and gross breach of trust". Prosecutors said Denford, 78, used the respectability of the cassock to groom and abuse two boys over an 18-month period from when they were aged around 13.
Following Denford and Mytton's convictions, the Bishop of Chichester Dr Warner said: "I note the verdict reached by the court today and we will now move swiftly to implement our own disciplinary procedures following this verdict in the case of Mr Denford.
"The Diocese fully acknowledges the suffering caused both to survivors of abuse and their families.
"We deeply regret the betrayal of trust in the context of public pastoral ministry and we extend our prayers and support to those caught up in the events highlighted by this case".