Few people know that there is a high probability that a virus or malicious code will enter your computer through a . This is due to the architecture that have this type of wireless networks.
So that you can protect yourself from these attacks that hackers frequently generate, You need to know what are the main threats that can break into your device through a Wi-Fi connection.
This information can be found in the following paragraphsin which we will explain, in detail, each of the threats to which you are exposed.
Can a virus or malicious code enter my computer through a WiFi network?
It is common to think that if a user is extremely careful not to open files from unknown people that are received through emails and that are analyzed with an antivirus every pen drive before connecting it, it will be impossible for a virus to enter the computer.
While it is true that the above care is very important to keep a device free of viruses, Unfortunately, these are not all the ways in which malware can enter your computer. By this we mean that through a WiFi network, to which you connect, a security hole is created which is used by virus writers to gain access to your PC. How do they do that? Very easy, when you connect to a WiFi network, public or private, what you are doing is being part of a wireless network.
This network is basically made up of computers, mobiles and one or more routers. As usual, This type of domestic and public architectures do not have a security design to prevent the nodes (devices that belong to the same network) from communicating with each other.. This is why when you join a Wi-Fi wireless network, any participant on the network can access your device (as well as you can access others).
In this way they can install any type of file on your mobile or PC without you noticing. Currently it is common for viruses, such as Roaming Mantis, to access a device Android via WiFi and modify the DNS addresses so that you are redirected to a site with malware and in this way your device is infected. But this is not so that you never again connect to a WiFi network and that excessive charges of megabytes for your mobile data consumption come on your bill at the end of the month.
What you have to do is be careful and install a good antivirus that detects all threats immediately and warns you efficiently. Also, You must enter the configuration of your router (with the username and password) and verify, from time to time, that the DNS server has not been changed and that it remains in automatic detection or has been modified for Google DNS or OpenDNS, among other trusted servers.
List of the main threats that can attack my device through WiFi connections
It is convenient that you take into account the indications that we gave you before to avoid different types of threats that can attack your device through a WiFi connection. If you want to know what are those harmful strategies that you face, we invite you to continue reading.
The main threats are:
Malware Installation
A set of malicious programs is called malware. They are designed to gain some kind of benefit and the victim. They are characterized by being installed without the user’s authorization through deception and hiding inside the device so that it is not easily detected. Within this group are the virus, which affect the source codes of installed programs. But this is not all, you can also find the spyware.
Designed to spy on all the activities carried out by the user and the ransomwaredesigned to hijack information and obtain a financial reward for releasing the data. Installing malware is common and easy to do, if you connect to a WiFi network and do not take security recommendations into account. These programs install and operate silently over time. For this reason, you should not forget that it is necessary to download a good antivirus so that it works in the background.
Phishing Techniques
When you enter any web page of an official entity, for example that of a bank, you will see that the URL appears in the . This means that the connection between your device and the server of that Internet site it is secure and cannot be intercepted data transfer.
A usual threat by which a device can be attacked via WiFi is simulate the graphic interface of that official page, which is of your trust, for you to enter all your credentials. That is, the Name user and password. In this way they will be able to access your account, if we continue with the example of the bank, and carry out any type of operation.
So you can you need to pay attention to the Url addresssince it will not start with the protocol HTTPS and probably does not have a site name similar to the official website. From all this it follows that you must not forget that The objective of this technique is to deceive you and steal all your personal information to access the real official website. So you should be aware of these scams when you connect to a WiFi network.
Man in the Middle Attack
This kind of technique is very easy to explain if the expression is translated, which means man in the middle. This also relates to HTTPS, which blocks any intruder who wants to listen and interfere with data communication between your device and a web server. When you connect to a Wi-Fi networkwhat you do is ask the router to access a server to obtain certain information.
The router then receives the data from the hosting and sends it to your device. In the middle of this path, programs are installed that are used to interfere with that data and thus know what is being talked about. Because of this It is important that you do not carry out commercial operations and transactions when you are connected to a WiFi network that is not trusted. This is because anyone connected to the same network can access your credentials.
data leak
It is one of the most common risks to which devices that connect to a WiFi network that is not secure are exposed.. When you are part of a wireless network, other participants in it can access videos, images and personal documents that can damage privacy.
But this is not all, an intruder can also enter the settings menu of your browser and access the list of passwords and usernames of the different platforms that you save on your mobile device or PC. In this way obtains the most valuable information and impersonates you on the different web portals without your knowledge. This technique is also called since it pretends to be the legitimate owner of the personal data.
network spoofing
As is the case with spoofing websites to steal personal dataintruders also trick victims by creating fake internet access points. In this way they offer an open WiFi network without a password in places frequented by people. The user accesses this WiFi signal without being aware of the trap. The hackers, who also belong to that network, manage to see all the information that the scammed person has stored on the device.
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