It's doubtful. What's possible is if people are sharing a computer and not logging off after a session, so the next person can enter the site without logging in, because the cookie with the password is still on the computer. Of course, it's also possible for people to guess other members' passwords if they are using obvious passwords, and while doubtful, there is always a chance of a hacker supreme breaking in, but I'd rate the overall chances of hacking as low. Next on list, find out how Entropic learned all our secrets and figure out a way for him to disappear ....