The forth quarter of last year (2010) was a bit worry some for Facebook considering the fact that there were a lot of questions raised about the security of Facebook. The Firefox plugin Firesheep allowed any amateur to hack into someones Facebook account logged into the same WiFi or other public networks.
The only answer to this question was to make Facebook force the browser into using secure connection to communicate with the website to ensure that the information you send remains private, just like you find on Gmail, Paypal and a various other services which involve online transactions. Finally Facebook has introduced this feature.
|This indicates that your browser is using a secure connection ("HTTPS").|
Here's how to activate secured connection