English 
Tiếng Việt It is undeniable that public wifi brings many benefits to phones as well as mobile devices that need internet connection. But alongside it are lurking dangers. Our devices can be infected with viruses from wifi at any time, or most commonly today, hackers take advantage of vulnerabilities of public wifi to steal our important data.
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How Hackers Exploit Public Wifi Networks
The risk of being attacked by hackers depends on the security level of your device. According to statistics, up to 76% of users do not take any measures to ensure the safety of internet access. Therefore, since 2013, up to 370,892,359 million accounts have been leaked worldwide.
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76% of users connect to poorly secured wifi
Depending on the specific case and the security level of the system, hackers will apply different methods. But the first common method will be to access the public wifi network and then check the devices sharing the wifi around. If a device is not protected, they will attack your device, then they can take control or steal your Email, Facebook... accounts, then extort money or impersonate you to top up cards, buy goods in your name.
Hacker's Method
Another common method is that hackers will create fake wifi networks. These wifi networks allow other devices to penetrate. Unknowing users will connect to the hacker's wifi network. Then all information from the victim's phone will be collected. The victim may not even know they have been hacked.
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According to security organizations' statistics, many users are careless when using public wifi networks to access email, bank accounts... Doing so makes it very easy to leak information. Because when you use public wifi, your information is almost not guaranteed. Therefore, in developed countries, almost everyone uses personal wifi.
