Windows 10: Multiple "unsuccessful" sign in attempts on my account

Every time I check my recent microsoft activity, there is someone trying to sign into my account multiple times an hour. It's extremely distressing for me because my Microsoft Account is very valuable. Is it one person attempting to hack my account multiple times a day? Or is it multiple people? Im getting attempts from Brazil, America, Hong Kong, Sallanches, way too many places around the world. I am suspecting multiple people are using VPNS, as some sign ins have no location.I have multiple forms of 2FA but I am still scared their sign in may be successful. Is there anything I can do to stop

:)

 

Unsuccessful sign-in attempt

Hello, and thank you for a speedy reply.

My account has not been hacked; I am still able to access and sign in to it. What I want to know is if my account is still safe after this incident. It was an unsuccessful sign-in attempt.

I'm guessing that changing my password again would be helpful, too?

 

Unsuccessful sign-in attempt

Hello.

A few minutes ago I checked my sign-in history, and I was shocked to learn that there had been an unsuccessful sign-in attempt from somewhere in China. I'm not in China, nor have I ever been.

The incident happened last week, but I've been able to still sign in to my account every day since then.

Since it was an unsuccessful attempt, is my account still safe? Should I change my password to be on the safe side?

Here's a screenshot for reference:

 

So many unsuccessful sign in attempts on my account

Throughout this entire week, numerous of my accounts have been hacked, or at least someone has attempted to hack them and some may have already been hacked that I don't know of. When I checked my microsoft recent activities there is a VERY long list of unsuccessful login attempts all from different ips at different times and sometimes different locations, should I be concerned? Thanks