A lot of us make this mistake of connecting to free public WiFi Networks. This can be extremely dangerous because a hacker can use a MITM attack and get hold of sensitive information.
Nowadays Hacking is a very important skill as we save all our data on our phones on the cloud. we also save our banking credentials online and that is sensitive data and if you know hacking you can secure your own data. I will be uploading a ton of videos related to hacking so stay tuned for that!