I used LastPass for a while. Then it filled in my username and password (correctly) on a website without my having authenticated... It looks like there's an une

I used LastPass for a while. Then it filled in my username and password (correctly) on a website without my having authenticated... It looks like there's an unencrypted local cache which is not flushed when your authentication expires or you log out. I wasn't able to reproduce it but I was sufficiently spooked to stop using it after that.