Hacker and developerexplained that how one can easily Socially Engineer Microsoft Skype Support team to get access to any skype account. One simply need to request a new password to Skype support and asking to change the password. After the initial step one needs to proof the real ownership of the account requested. You must give 5 contacts accounts to the support desk to add 5 fake temporary accounts to target account and its done. Another option is to simply ask the target what people he knows on Skype on Skype.
Source: https://thehackernews.com/2013/04/social-engineering-skype-support-team.html