You probably heard about this computer vulnerability in the SSL protocal for a problematic version of OpenSSL.
A Google engineer Security, Neel Mehta, discovered the existence of this vulnerability compromising your data.
In fact, hackers would be able to intercept data between the server and your web browser.
You can test your website to see if it is affected by the computer failure: http://filippo.io/Heartbleed/
The planet is now advised and you will notice that most Web hosting companies took action to update the software. We recommend that you regularly update your online passwords !
