Having seen what can happen to even new computers that are fully 'locked down' with multiple spyware scanners and user restriction software; all of which needs

Having seen what can happen to even new computers that are fully 'locked down' with multiple spyware scanners and user restriction software; all of which needs phone home for updates on boot on a network made of 10-base-T hubs... the 10-15 minutes strikes me as plausible. //those of us who can take care of our own networking and system administration don't always realize how good we have it.