And second, it created an electronic link between the AOL internal network and the hacker.
Google recently announced that it would begin encrypting data as it traverses its internal network.
Someone opens the attachment, giving the attacker access to the company's internal network.
Apple, however, invited the filmmaker and Sterling to be interviewed online on their internal network.
While he was not specific, he said "internal network events" corrupted router data tables.
The company shut its main internal network for more than a week.
Typically, a firewall allows no direct connection between the internal network and the Internet.
We provided network-monitoring services to large corporations, and our internal network security was much more extensive than our customers'.
That server was a part of the school's internal network, which was in turn plugged into the Internet.
The notion that each company simply needs one firewall, between its internal network and the Internet, is now outmoded.
Instead, Mr. Yach said that a switch that linked its internal network to the Internet had failed to function properly.
