Are you selecting "Remember My Password"? Please read this

  want to secure your account? then you should read this article.

Remember Password I:
While login to your account in Mozilla,there will be option named as "remember password " .  If you selecting that option, soon you may loose your account. (if you are using in internet cafe,certainly you will loose).  Those password can be view by hackers which is stored in cookies(may be plain text or