11  Acknowledgements

Grateful acknowledgement is made to the following sources:

Figure 1: Adapted from a Cisco Image

Figure 2: Adapted from a Cisco Image

Figure 3: Adapted from a Cisco Image

Figure 4: Adapted from a Cisco Image

Figure 5: Adapted from a Cisco Image

Figure 6: Adapted from a Cisco Image

Figure 8: Adapted from a Cisco Image

Figure 9: Adapted from a Cisco Image

Figure 10: Child Exploitation and Online Protection Agency (CEOP)

Figure 11: Internet Watch Foundation

Figure 12: Parent Port

Figure 13: True Vision

Every effort has been made to contact copyright holders. If any have been inadvertently overlooked the publishers will be pleased to make the necessary arrangements at the first opportunity.