A notification that there was a change to your username, password, or other security settings, and you didn’t make the change. A notification about an unusual sign-in or a new device on your account.
Learn how to make your account more secure. Tip: To tell you about suspicious activity, we'll use your recovery phone number and email address. If you haven't already recovered your account, we can help you do it now. If someone else has access to your account, they have your password and might be trying to access your personal information or send junk email. We think that someone else might have accessed the Microsoft account When this happens, we require you to verify your identity with a security challenge and then change your password the next time you sign in.
To: Microsoft account security alert Microsoft account Security alert Learn more on Microsoft's support page What happens if there's an unusual sign-in to your account. If you receive a security alert from Microsoft and are concerned about its source, you'll know it's legitimate if it's from the Microsoft account team and sent from the address like the following example. Reasons why you received an unusual sign in activity email Signing in from a new device that was never used to sign in to your account before.
