Secure Your Home Wi-Fi in a Few Practical Steps

Secure the router itself

Your router joins household devices to the internet, so its administrator account deserves a unique password. Replace factory login details, change the Wi-Fi password if it is shared too widely, and install firmware updates from the manufacturer's official app or site. Turn on automatic updates if offered. Retire equipment that no longer receives security updates when a practical replacement is available.

Choose a protected network

Use WPA3-Personal when both router and devices support it; otherwise select the strongest compatible security mode offered by your equipment, typically WPA2-AES. Avoid open Wi-Fi for your home network. Give guest devices a guest network if the router provides one, especially for visitors or internet-connected appliances that do not need access to your computers. A hidden network name is not a substitute for encryption and a strong password.

Check the everyday details

Review the connected-device list occasionally and investigate names you do not recognize before blocking anything. Disable remote administration and unused features if you do not need them, and keep the router in a location where you can reach its reset instructions. If a device loses internet access after a security change, reconnect it using the new network details rather than weakening the whole network.

Sources and further reading

• CISA: Securing Home Wi-Fi
• CISA: Home Network Security