By using public wifi, hackers can steal your password and data, threatening your account security and property security, and network service providers can query all your browsing records.
Guardian Firewall Alternatives
Guardian Firewall is described as 'Is sophisticated software with a simple design that prevents digital trackers from secretly collecting your information, shows attempts by data companies to track you, and prevents eavesdropping of your sensitive data such as banking passwords using strong' and is a VPN service in the security & privacy category. There are more than 50 alternatives to Guardian Firewall for a variety of platforms, including Windows, Android, Mac, iPhone and iPad apps. The best Guardian Firewall alternative is Proton VPN, which is both free and Open Source. Other great apps like Guardian Firewall are Mullvad VPN, Psiphon, IVPN and Shadowsocks.