Feeling cyber-insecure? Protect your gigabytes with help found at onguardonline.gov. The new website, managed by the Federal Trade Commission, is a one-stop resource for online security, with practical advice and tools to avoid Internet scams, secure your computer, and protect your kids online. Tutorials include turning on your router’s encryption and restricting access to your wireless network. For details on Internet privacy, read our recent investigation, Facebook & your privacy.