2023-08-31 16:25:48
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Securing your Wi-Fi network is a sine qua non to prevent one person (or more) from connecting to your network, blocking the way to hackers, protecting yourself against malicious acts and protecting your data and activity on the Internet. It is indeed possible that unscrupulous users take advantage of your Internet network without your consent. Even hackers can take advantage of the fragility of your network to multiply scam attempts. Hence the importance of securing your Wi-Fi network.
You may not know it, but all the Internet boxes available on the market today allow you to secure your Wi-Fi network with different levels of security.
In this guide, we take stock of the best practices to adopt for securing your wifi network.
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Why secure your WiFi network?
In the era of massive use of PCs, Macs and portable devices, security threats when using wifi are on the rise. Injection of codes, identity theft, or even the simple consultation of its data shared by hackers, the dangers of WiFi are numerous.
Here are some reasons why you need to step up the security of your WiFi network:
A wifi network is less secure than a wired network.
The mode of operation of WiFi networks makes them less secure than wired networks (Ethernet). Several devices (PC, Mac, smartphones, …) can be connected to a wifi network and communicate with each other using radio waves. This increases the risk of interception of data passing through these waves. Obviously the risk increases when said WiFi network is not at all secure.
Hackers have many ways to access Internet users’ data, especially if the WiFi network is not secure. Through these multiple methods, they can have access to usernames and passwords, email addresses, conversations, and even browsing history.
A vulnerable WiFi connection can be used by malicious users to carry out illegal actions (viewing objectionable content on the web, hate speech, buying or selling illicit material or stolen data or documents, etc.).
It is also possible to take advantage of its unsecured WiFi network to spread malware (trojans, ransomware, etc.) or quite simply to connect your device (PC, Mac, smartphone, etc.) for free to the admin of your internet box. Connecting several devices to a WiFi network can lead to network overload and therefore slowdowns in your internet speed.
To guarantee the security and safety of your WiFi network and to be able to use your Internet box with more peace of mind and ease, here are five good practices to adopt.
Change default login data
Changing the default login credentials is the first thing to do when you want to secure access to your internet box. Often the default password is “000” or “password”. In the case of routers, the serial number that is on the side of the router is set as the network password. This means anyone can access the network. Hackers can even take advantage of this to reconfigure the device and steal information.
To change a router’s login data, simply visit the device’s admin interface at or Log in with the default username and password, follow the steps on the router interface to enter new username and password.
Changer son SSID
Changing the SSID is another way to secure your WiFi connection. This is the network identity (the name people use to find a network). It informs users of the type of network, making it easier for hackers to intercept its data on its WiFi network.
To change the SSID of your router, simply connect to it, select your WiFi network and enter a new identifier. Don’t forget to disable “Broadcast Network Name”.
Encrypt to secure WiFi traffic
To connect to your wireless network in complete security, it is strongly recommended to check your WPA or WPA2 configuration. This feature, when configured correctly, helps secure the process of authentication and access to the wireless infrastructure. It helps keep users away from eavesdropping on its network.
To do this, you must first log in to your router and set the Security Mode or Encryption Level to WPA2”. The most recommended setting is WPA2-PSK. Some routers, whose system is compatible with WPA2 (but not WPA2-AES), use the WPA2-AES/TKIP encryption protocol.
The WPA2-AES/TKIP encryption protocol enhances security over WEP by integrating the Extensible Authentication Protocol (EAP). The latter guarantees secure access to the network and implements an encryption method to protect data during transmission.
Configure a Host Network
Setting up a second WiFi network is another way to protect against intrusion attempts. When your friends come to your house, the first thing to ask for is the WiFi password. In order to ensure the security of its WiFi network, some routers offer the possibility of specifying two networks. This second network can be exclusively reserved for guests. In case of loss or theft of smartphone, you will be sure that your SSID and your WiFi password will not be within the reach of hackers.
Configure Firewall
The firewall acts as a barrier against any instruction attempt on the wireless network. Only authorized traffic enters and leaves. To take full advantage of this, make sure no one from the outside world can connect inside. It’s listed as “Any: DENY”.
Another good setting is enabling Ping Blocking if it is compatible with your router. In this case, the router will respond if someone sends a “Ping” to it. This prevents hackers from knowing whether you are there or not.
Consideration should also be given to blocking “fragmented packets”. To infiltrate a wifi network, hackers use fragmented packets, which are badly made on purpose, to confuse the router or computers which become unable to distinguish good information from bad information.
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