When people connect with an unsecured Wi-fi network and then log into an unencrypted website, it is trivially easy to set the passwords to be intercepted.
Firesheep is a free add-on for Firefox with which it is possible for everyone is created in order to steal passwords.
Firesheep is a free add-on for the Firefox web browser that allows anyone to a non-encrypted Wi-fi network can scan and passwords can be intercepted by other users on that network.
After installing Firesheep appears in the Firefox browser a new sidebar. After a connection has been made with an unsecured network click on the button "Start Capturing". When other persons that are associated with this network log on to a website that Firesheep is known to be the name and photo of users in the sidebar are displayed. When you double-click a person you log in as that user on, for example, Facebook, Twitter or Flickr.
With the disclosure of this software wants the developer, Eric Butler, to draw attention to the dangers of non-encrypted websites. Mozilla, developer of Firefox, has indicated the Firesheep add-on will not block.
Firesheep has the following characteristics:
Firesheep screenshots
You can free download Firesheep 32, 64 bit and safe install the latest trial or new full version for Windows 10 from the official site.