Want to know how to protect the WiFi in your home or business? If you use these tips to secure your home WiFi from hackers, then you’ll be far ahead of most people.
1. Update your WiFi router firmware
Updating your WiFi router is critically important to having a safe WiFi network.
2. Use strong WiFi encryption
Always use the most recent encryption standard.
3. Use a secure WPA2 passphrase
It may seem stupidly obvious, but don’t use a password which is easy to guess!
4. Check for rogue Wi-Fi access points
If you ever browsed the nearby WiFi networks, you will have noticed one unfortunate thing: you don’t know who owns them. The only way you can guess is by looking at the name of the WiFi network, but you still have no idea whether it’s run by a hacker, or whether it was set up by someone for wholesome purposes.
If you have a laptop running Windows or an iPhone or Android, and you want to know which nearby WiFi network is safe to use, then it’ll be mostly guesswork as to which you can consider as “safe”.
A hacker can easily sit in a cafe with a laptop and create a WiFi network which you could be tricked into joining.
If you see any nearby WiFi networks which have the same or similar names to yours, then someone may have set up a rogue WiFi network to target you or your customers.
This technique which hackers use, is to make people mistake the rogue WiFi network for your WiFi network, and join it. Once you have joined the rogue WiFi network, hackers can do any number of things:
If you see any nearby WiFi networks which you suspect are malicious, then someone may have set up a rogue WiFi network and may be targetting you.
5. Create a separate guest WiFi network
If you suspect that someone’s computer may have a computer virus or you don’t trust them, then one way to circumvent that is to create a guest WiFi network. This will allow the suspected computer to access the Internet, but not the rest your home/office network.
It keeps your own computers safe from any viruses which other people’s computers may have.
6. Change the guest WiFi password regularly
If you do set up a guest WiFi network then you might want to change the password regularly. Why? Because, over time, you’ll lose track of who you’ve given the password to.
If you don’t know who even has access to your Internet connection, then you could end up with a very big problem!
7. Hide your WiFi network
This option is suitable for paranoid people. There could be legitimate reasons for wanting to hide your WiFi network, but most of the time, and for most people there is no need, because your WiFi network should already be set up with a strong, difficult-to-guess passphrase.
8. Enable MAC address authentication
This option is suitable for people who are very security-conscious. The way it woks is by allowing (or denying) specific devices based on the unique identifier of the WiFi adaptor inside each device, known as the MAC address.
It means that even when the correct WiFi password/passphrase is used to join the WiFi network, it will only work if the individual device has specifically been granted access. This makes it very secure and provides additional protection if your WiFi password were ever to be stolen or given to someone who shouldn’t have it.
9. Disable Wi-Fi Protected Setup (WPS)
In the earlier days of WiFi routers, this was a much more relevant problem. Today, it’s more of an optional extra, but I personally still like to do it — especially on any router which has been supplied to you by your Internet Service Provider, as those tend to have bad security.