I believe I am the only person using my computer. Is there any way to definitively (securely) tell?
I have a Windows (7) laptop on a Wireless Network with a reasonably cryptic password, but I close the lid and walk away regularly, leaving it alone for hours/days at a time in stand-by mode. There's no password on the login for it, but then the house is locked, and in any case it's "off", right? Is that naive? Is there any secure log of logins to my computer that I can trust?
Motivation/example: I never store my online banking password (and tell Firefox as much) and yet I just logged in to my bank through Firefox, and there was the login and password auto-filled for me.
Naturally I sought a way to clear the saved password. I found it... but also a way to show the saved password without further security clearance (Master password, etc).
Clearly anyone with access to my computer can easily read my passwords... which horrifies me.
But all that is probably fine so long it was my slip-up, and nobody else is actually using my PC. But how can I tell? In particular, how can I know that I can trust any activity logs (or similar) - that the logs themselves are secure?