Except its a bit lazy,and experienced hackers would probably try numbers like this.
It reminds me of the Gary Mckinnon case where he got into the defense dept/nasa networks by logging on as administrator,with no password.

When I am asked things like "where does this info come from" and "im skeptical as to if this is true", I think to myself "do I have to walk you to school too?"
All the information you need was provided in the OP.