If someone accesses your Hotmail account and uses it to send spam, it is very possible that you will see a message like the following when trying to enter:
For security the account is blocked and you need to start the process password recovery. This can be done in several ways, with the alternative email address, the secret response, a trusted team or a text message … in any case, it is necessary that these options have been previously configured.
If none of the above works, you forgot the secret answer and the secondary email address was changed, you can do the following:
one- Access this page: https://account.live.com/resetpassword.aspx
2- Select the option I think another user is using my Windows Live ID account and then the option that says Reset your password:
3- Enter your email address and the characters in the image:
4- Finally, select the option Customer Support:
This option will allow you to create a private forum to communicate in a personalized way with the Hotmail team. You must provide an extra address that will be used to contact you, in addition to all the information you can about your compromised account, this is necessary so that they can verify your identity.
Read all the steps carefully and if you need help, don't hesitate to leave a comment commenting on the problem.
See also: Hotmail Help. Change Hotmail password. Log in to Hotmail, common issues. How do Hotmail passwords be stolen? (example of phishing)