This document discusses how to protect yourself on social networking sites. It defines social networks as online platforms that allow people to connect and share information. However, the default privacy settings of many sites allow others to view personal information, which can lead to security issues or identity fraud. The document recommends researching sites carefully before joining, understanding privacy policies, avoiding sharing unnecessary personal information, using strong security settings, and being selective about what you post about yourself and others. It provides some resources for online safety information.