User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.0; en-GB; rv:1.9b5) Gecko/2008032620 Firefox/3.0b5 Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 6.0; en-GB; rv:1.9b5) Gecko/2008032620 Firefox/3.0b5 Hello, I discovered a fatal flaw in Mozilla Firefox 3 beta 5, as in it preserved my yahoo login info on a thrid party computer. The following morning I rebooted the machine, restarted firefox, it opened the last session WITH MY YAHOO EMAIL ACCOUNT LOGGED ON. Now, yahoo does not allow for password save, and I had not saved the password in Firefox (which one cannot do with Yahoo anyway). The Security setting confirmed that I had not stored any personal passwords ont hat machine. Yet, Firefox 3 beta 5 did what no other borwser ever did to me before: it reopened the previous session straight to my personal email account, completely logged in, implying it had saved and stored the information. At the very least, Yahoo generally logs someone off if not around and I had surfed at home, and logged of Yahoo after I had been on that third party machine. But, in this case, the 3d party machine, shut down for 8 hours, rebooted, Firefox restarted and, VOILA, encrypted page had been bypassed as if it was cheese... chris Reproducible: Always Steps to Reproduce: 1. Work in an encrypted password access page (bank, email) 2. Shut down system,or browser, without saving the session info 3. Reboot or restart browser and accept to restore the previous session. Actual Results: I am back in encrypted pages. Expected Results: No logon, or an error refreshin webpages requiring an encrypted log on Take me back to main logon page.