Tddsshark.xyz

The Tddsshark.xyz website is a fraudulent page that is designed to trick users into downloading untrustworthy software. Websites like the Tddsshark.xyz page often promote PUPs (Potentially Unwanted Programs) that users should avoid. 

It would appear that the Tddsshark.xyz site is targeting iPhone users. As soon as the user opens this shady page, they will be presented with a bogus system settings window designed to look as legitimate as possible by imitating the iOS' interface. The fake window states that the user's data is under threat because they have connected to an unsecured Wi-Fi. Then, the Tddsshark.xyz website would claim that it can resolve the user's issue by providing them with a VPN (Virtual Private Network) application, which they can install on their iPhone immediately. Applications propagated via dodgy websites like the Tddsshark.xyz should not be trusted as such pages may promote not only PUPs but also various types of malware. If you want to install software on your iPhone, your best bet is the official AppStore. Applications distributed via third-party websites or shady application stores may harm your device or threaten the safety of your data.  

If you have installed an application promoted by the Tddsshark.xyz, it is advisable to remove it from your iPhone sooner rather than later. If you want to obtain a VPN tool, you can do so on the AppStore, which offers many safe options.