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How to use a QR code to connect to Wifi

Cell phones can use QR codes to connect to a Wi-Fi network

Although the ability of cell phones to have access to mobile data facilitates access to Internet and the use of Applications, this is limited. To enjoy all the benefits that a cell phone offers, users need to have access to a Wi-Fi network safe.

To join a Wi-Fi network at home or in a store, users they need to turn on the function of receiving this signal, search for those that are available, select the one they want to connect to, and then enter a password. However, there is also another much more direct method that requires the use of the camera of the cell phone.

Currently, cell phones have a feature that allows cameras function as a scanner QR codes and access websites, download applications, provide contact information, among others activities including connecting to a network Wifi.

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The routers installed in houses and in different places, include on the back of the device a QR code with which users can automatically connect to the network of Internet Fixed that you find in these places. This quick connection prevents users go through a search process, but it does not eliminate the need to enter a password to support the Connection.

Android and iOS phones can access private Wi-Fi networks using a QR code
Android and iOS phones can access private Wi-Fi networks using a QR code

In some cell phones, the connection to the Wi-Fi network, through the code, will lead to a Web page in particular where you will have to introduce the password established or, failing that, that which has been predetermined by the manufacturer. In the case of cell phones iphonea pop-up window will open over the image of the camera in which the system will check if the user is sure to connect to that network.

Connecting to a public Wi-Fi network can be dangerous

This mode of access to a network Wifi It can also be applied in those connections that are open to the public or that do not require a password to pair with a device. However, although these may be useful or convenient for people who do not wish to use their Mobile dataThey are not recommended under any circumstances.

It may interest you: How users make their Wi-Fi network exposed to cybercriminals

Because these signals do not have a security key that limits access to others, anyone can connect to them, including potential cybercriminals. The main objective of these digital criminals is to directly enter the files of the devicewhether cell phone or computer, to steal information such as access codes, credit card numbers, social network passwords, among others or introduce malware into them.

The ways to steal information are:

MitM: the offender is located in the middle of the user’s connection and the network to take, read and modify the information that transits there.

Public Wi-Fi networks pose a risk to users.
Public Wi-Fi networks pose a risk to users.

download data: It is similar to the previous one, but the difference is that the attacker has the possibility of analyzing and filtering sensitive information.

download malware: Bypassing the data, the criminal focuses on distributing a virus that allows them to control the device in the future and steal data.

It may interest you: Why you should constantly change the Wi-Fi password

The best way to ensure that you are not a victim of this type of attacksis that users do not connect to these networks, but in the event that they require it, it is preferable to link to public networks that have some degree of encryption in them. This can be checked when connecting and going to the Wifi properties, there should be a section that says ‘Security type’ which should indicate that it is WPA either WPA2which will guarantee that it is a secure connection.

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