Skype was at the center of a security scare whereby a password reset would allow the users account to be hijacked. This was discussed over three months ago, but mainstream coverage in the last 24 hours meant that the exploit hole was plugged.
"We suspended the password reset feature temporarily this morning as a precaution and have made updates to the password reset process today so that it is now working properly.Skype Password Security Vulnerability [bbc.co.uk]