Public Wi-Fi and Cybersecurity: How to Work Safely and Prevent Attacks in Public Wi-Fi?

Alexandre Vieira
3 min readMar 9, 2022

Is public Wi-fi safe? Your data might be vulnerable when you connect to public wireless internet.

Photo by Markus Spiske on Unsplash

I know you love to break the routine and go study/work in a nice coffee shop or library, that is just so convenient, as wifi is available in a chilling place, right? You can use unlimited Wi-Fi and just need to buy a cup of coffee to stay as long as you can!

But, hold on. You are in a public Wi-Fi, meaning, you are sharing the same network as many other users around you.

This article aims on helping you to explain how vulnerable your data is and how to keep your data safer while working in public wifi.

Public Wi-Fi is available in several places nowadays: airports, restaurants, libraries, coffee shops, etc… Jumping around many different connections can put you at risk of having a man-in-the-middle stealing/manipulating your data.

How Vulnerable is a Public Wi-fi?

Using public Wi-Fi opens risks to your computer (fact). The key here is a man-in-the-middle attack. Meaning, when you connect to your favorite coffee shop’s free wifi, you end up on a network with anyone else using that same wifi (and this allows them to see your device, and potentially access…

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Alexandre Vieira

Software Engineer | Gamer | Lived in Brazil, USA, and now in Japan! Please, help me and Subscribe to Medium: https://bit.ly/3EYmbOY