Public Wi-Fi can be found in popular public places like airports, coffee shops, malls, restaurants, and hotels. It allows you to access the Internet for free. People connect to these 'hotspots' without thinking twice. Although it is easy to log on to your accounts and using public Wi-fi, there are several risks related in this.
While using a public Wi-fi network you'll have to face these kinds of risks like Man-in-the-Middle attacks, Unencrypted networks, Malware distribution and Snooping and sniffing.
The best way to stay safe on public Wi-Fi is to use a virtual private network (VPN).

check out these tips to be safe on public Wi-fi networks.