Protect your internet connection by using a firewall and encrypting your data. If you have a Wi-Fi network, make sure it is secure and hidden. To hide your Wi-Fi network, set up your wireless access point or router so it does not reveal the network name. Changing the name of your home network and password protecting your router makes it more difficult for hackers to discover what type of router you have. The inability to identify the manufacturer of your router means hackers will have difficulty knowing what specific vulnerabilities it may have.