Sea of Thieves already has hackers, offering a compelling case against cross-play
(Windows Phone Central)

For those who are familiar with PlayerUnknown`s Battlegrounds on PC, you`re probably aware of the issues the game has with cheaters. It seems that UWP isn`t immune either. One of the `selling points` of Universal Windows Platform (UWP) PC games is that it is supposedly more secure than regular Win32 executables. UWP apps and games run inside a container which mimics a Windows environment, and can be cleanly uninstalled without any leftover registry keys and that sort of thing. UWP games are also supposed to verify file integrity over the internet, preventing unwanted modification of programs. It turns out that, in reality, like most things, UWP isn`t completely secure either. ...