Hello,
Nordeus!
According to account linking;

1. Please be advised that:
There must be a 'confirmation prompt (or) confirm by password (or) anti-robot question (or) some other ways that the player really want to link (or) give access to his/her own personel account (or) personel privacy (or) stored properties on his/her own device/computer.

2. Please be reminded that:
Accessing/violation/intrusion of someone's personal privacy (and/or) digital stored properties on his/her digital devices without the permission/agreement of owner is the kind breaching of security (or) hacking (or) phishing (or) breaking of IT Law...

3. Please be warned that:
This kind of act (or) created digital program/software/app is illegal by Social Media Privacy Law, Electronic Communications Privacy Act [ECPA], Stored Communications Act [SCA], etc...


Hope it helps!