National Center for Missing and Exploited Children
One of the BEST sources of information and great parent resources.
Center for Missing and Exploited Children and the Ad Council
Has advertisements and resources for internet safety, as well as a "find out who's a creep game" that's engaging.
Information about "Cyberbullying" - when a child, preteen or teen is tormented, threatened, harrassed, humiliated, embarrassed or otherwise targeted by another child, preteen or teen using the Internet, interactive and digital technologies or mobile phones.
The NetSmartz Workshop
Is an interactive, educational safety resource from the National Center for Missing and Exploited Children®n (NCMEC) and Boys & Girls Clubs of America (BGCA) for children aged 5 to 17, parents, guardians, educators, and law enforcement that uses age-appropriate, 3-D activities to teach children how to stay safer on the Internet.