It is increasingly common to find public WiFi networks in hotels, shopping centers, restaurants, shops and even in public transport. Who hasn’t been overjoyed when they found out that there was free WiFi on the train or bus they were traveling on, or when they arrived at a restaurant?
Despite the joys that you have started to take with this introduction of free WiFi in various public spaces, there is one aspect that you had not paid attention to and could cost you dearly. And it is that, These spaces that weaken the security of your mobile, are all a candy for cybercriminals.
How the hacker works on a public WiFi network
The Civil Guard has been the one who has alerted in your twitter page on this danger that users can be exposed to when using a public WiFi network, and they have given some tips to prevent this from happening and protect our data.
As explained by the Internet User Security Office, these attacks are known by the name of ‘man in the middle’, which refers to the situation in which a criminal he gets into the middle of an online communication to spy on the interlocutors or impersonate one of them thanks to this shared connection.
The modus operandi The following is the following: they create a fake WiFi network, with the same name or one very similar to that of a nearby public network. If a person has connected to this network before, they will do so automatically without verifying that it is not actually the one they usually frequent. As they explain on the web, When the user connects to the network, they will not notice any difference and will navigate without suspecting that they are being the victim of a cyberattack.
They could impersonate you and steal your information
It is at that time that the hacker will be able to monitor your activity, and will be able to access and collect all the browsing information that you contain, such as bank details, email accounts, social networks, etc. Gravity can even go as far as to impersonate your identity, either for financial gain or to harm other people by pretending to be you.
There are also other ways by which the cyber attacker can steal your information, with the technique ‘man in the browser’, which is when the criminal infects your browser with a malware that records all your online activity. It usually occurs when you download files or software of pages that are not official, through malicious links or with phishing.
What should I do to prevent my mobile from being hacked?
To prevent this from happening there are a series of steps that you must follow to verify that the public network is really good and safe, and there are no hidden interests behind it. As explained by the Internet Security Office, the number 1 rule is “do not connect to public networks.” You may think it may sound ironic, but it is true that If you can use the connection that you have contracted with your operator, it will be the safest thing you can do.
But it is normal that there are times when there is no other left and you need to connect, for example when you go to another country, or if you have no data left and you have to do something important. For this you must follow these guidelines:
1. To update devices, programs and apps.
2. Employ strong passwords and verification in two steps.
3. Browse by https pages and check your digital certificate.
4. Use apps with end-to-end encryption, encrypt documents and emails.
5. Use a VPN.
If you follow these steps, you will be able to surf safely and safely connect to these public networks. For more information on how hackers connect to vulnerable devices, don’t miss this video of The country.