Convicted VoIP Hacker Robert Moore Speaks
Stolen from a /. link
The real link.
"He scanned more than 6 million computers just between June and October of 2005, running 6 million scans on AT&T’s network alone. ‘You would not believe the number of routers that had "admin" or "Cisco0" as passwords on them,’ Moore said. ’We could get full access to a Cisco box with enabled access so you can do whatever you want to the box."