Does Microsoft Have A Fraud Department? – Microsoft Q&A

We contacted his bank (Chase) and reported the Skype charges. I then attempted to regain access to his Microsoft account and after several attempts, was able to re-gain access for less than an hour and the hacker discovered my login and quickly set up 2 factor authentication which locked us back out.

https://answers.microsoft.com/en-us/windows/forum/all/does-microsoft-have-a-fraud-department/7f74f0d1-0ff4-4c43-9bc6-e36876fdcf9a