Managing personal Outlook.com account settings, security, and privacy
Yes, go in and change your primary alias to say an iCloud address or one you never use for any other account. Set a second alias email that has been protected by two-factor authentication. Then go to Hello Sign, remove your compromised email address for verification, and add an email not associated with your alias emails. This will not affect your email account. Make all of these changes, and your international login attempts will stop because they no longer have a valid email associated with your Microsoft account. Set up a passkey on your phone if able.