Whenever we acquire a new router, it is advisable to change both the SSID and the default key for other custom values since most of the devices extract the default keys from public dictionaries associating the MAC to the SSID and other users can easily obtain them through specialized programs for that purpose.
Router Keygen is an Android application that allows us to know if the key we have in our router belongs to these dictionaries and it is easy to guess by hackers that attack our network or, otherwise, it is a safe and difficult key to break through these programs.
The models of routers and SSID that this program will verify us are:
We can download Router Keygen free of charge from the main website of the project hosted in Google Code. Once downloaded, we install it on our device and execute it. We will see a window in which all the networks within our reach will appear.
As we can see we will see several networks, some with a red box and others with the green box. If our network is marked in red it means that our network is secure and hackers will not be able to guess the password through this program, on the contrary, if our network appears green, it means that our router's password will probably appear in these dictionaries.
If our network appears green we can click on it and we will see how the program shows us the default password of our router. We can check if this key matches our default and, if so, we should change it as soon as possible to prevent other users from connecting to our network without our permission.
In the following link we leave you a series of tips that you can follow to choose the best password to protect your Wi-Fi network from intruders and unauthorized users. It is advisable to use a long key to prevent other types of brute-force applications from being made with the key by trial and error.
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