Quote Originally Posted by alcattle View Post
Once you put the authenticator on each account, it cannot be logged into without one. There is no "idle" risk.
If you log on to 2 of your 5 accounts, and the hacker is key logging you.
The hacker can log on to the remaining 3 "idle" accounts using the just typed authenticator code.

There is a risk, pretty small risk IMO but a risk.
The hacker has to know your a multiboxer and the relationship of the accounts.
I doubt Multiboxers are a large enough population for hackers to target.