For current advice, please visit:
http://www.ictinschools.org/parents/
Thinkuknow have produced the following articles about online safety
Gaming: what parents and carers need to know
Sharing pictures of your children online
Keeping your under 5s safe online
Live streaming: responding to the risks
ICT in schools have produced a series of videos about online safety which can be accessed here
The videos include topics such as: rules for the internet, live streaming and reporting issues.