Mark,
I've long referred to non-crypto VPNs as "virtually" private nets, for the
reasons you note. More cluefull enterprises do use encrypting firewalls for
inter-site protection. Cisco, Juniper, Checkpoint and others have made a
fair amount of money selling devices for this purpose.
When alluded to remote access by employees, I was thinking along the lines
of road warriors, using IPsec or SSH tunnels for remote access.
I don't think we've seen any evidence to suggest that NSA is
eavesdropping on
inter-site enterprise comms, at least for U.S companies, based on the
Snodwen
docs released (so far).
Steve
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