"bob" UNIX account is not a person either. If you ssh in, no matter to what account, your key ID is logged and that's what matters. Anything can happen afterw

"bob" UNIX account is not a person either. If you ssh in, no matter to what account, your key ID is logged and that's what matters. Anything can happen afterwards, unless you have a really tight grip on your system, since local privilege escallations are not that hard or uncommon.