http://www.theregister.co.uk/2012/06...urity_concerns
To disable this goto ABOUT:CONFIG and change the following to falseQuote:
Privacy-conscious users have sounded the alarm after it emerged the "New Tab" thumbnail feature in Firefox 13 is "taking snapshots of the user's HTTPS session content".
Mozilla acknowledged that the behaviour was undesirable and promised a patch. In the meantime, the browser and email client firm points privacy-conscious users towards various workarounds, as a statement (below) explains. [more]
https://discussions.virtualdr.com/im.../2012/06/3.jpg
Usually they arent that careless!!! (Thier spying cant be detected by end users)
Its good someone noticed this :)
