Hi Shize,
We appreciate your efforts in bringing this matter to our attention. I understand that you wish to changed your security information (alternate email address). Let us see how I can help.
The nature of the issue may contain personal or sensitive information of your account that can't be discussed in the forum, I suggest that this be addressed through a secured environment for your privacy and ease of access to our moderator's reply. You can
visit this article
to view all suggestions to resolve your issue and to get additional help from Microsoft team.
Based on your issue description and the information that you have provided, it needs to be addressed directly by posting to our
Private Support via Secure Messaging. Let me send you the link where you can submit a support request to
our Microsoft Account Support.
You may also refer to the article below for further, more detailed information on this.
**Microsoft account security info: FAQ**
I really hope that the matter will soon be resolved for you to be able to access/manage your account without any problem.
Should you have other concerns, please let us know.
Regards,
Jeffrey