Once you have cancelled your subscription, all associated secondary accounts will get converted to a free Hotmail account as well and they will be able to get to their emails via http://hotmail.com/.
In order to see assistance on an account you believe may have been compromised please fill out the information at the following link:
https://support.live.com/eform.aspx?productKey=wlid&page=wlsupport_home_options_form_byemail&ct=eformts
We appreciate your continued support as we strive to provide you with the highest quality service available.