I understand that you were not able to use your account. I apologize to know about this experience. Let me give you all the information that you need to know.
To inform, Skype has strict security measures that are programmed and systematized that sensitively detects any unusual, out-of-ordinary and suspicious activities on all accounts. Once there are activities detected which are not aligned with our Terms of Use, it automatically restricts the account for safety and security measures on our system and for the users itself.