Hello loyall, I warmly welcome you to the Community. I'm Israel, an Independent Advisor and I would like to give you some advice to solve this problem. I will be exchanging with you to finally solve the problem.
The pourpose of this message was get access to your personal information.
If you consider that your data is unsafe, change your credentials.
first, you will need to follow the recomendations of Microsoft to keep your account safe, see:
https://support.microsoft.com/en-us/account-bil...
Also, you can follow the recomendations in the section "How you can safeguard your data" in this Microsoft article:
https://support.microsoft.com/en-us/office/how-...
Additionally, you can see all the sections in the previous article to understand how are safe your information.
I hope that you can solve the problem, please let me know about it. I'm at your disposal to continue supporting you.
Virtual Greetings!