(iStock) People love to mooch Wi-Fi. They find an unprotected signal and sign on. Why not? It’s free. Your neighbor won’t mind if you steal a little broadband to watch Netflix, right? Criminals also love unsecured Wi-Fi, and they do mean harm. They use your network to attack your gadgets and steal your personal information. They download illegal files through your router, making you vulnerable to a police investigation. Moochers slow down your connection, causing buffering, and make it harder for you to finish online tasks or a movie. But moochers aren’t the only cause for a pokey connection. Tap or click here for eight router tweaks to speed up your Wi-Fi.