Securing a home Wi-Fi network from unauthorized access requires a few steps:

1. Choose a strong password for your Wi-Fi network, such as a combination of upper case and lower case letters, numbers, and symbols.
2. Adjust your router’s encryption setting to WPA2, with AES as the cipher.
3. Hide your Wi-Fi network’s SSID, or service set identifier.
4. Update your router’s firmware when updates are available.
5. Enable Mac filtering to restrict the devices that can access your network.
6. Use a virtual private network or VPN for an added layer of security.