SC Magazine:
With increasingly extended and dynamic enterprises, the distinction between insiders and outsiders is becoming blurred and what organizations can expect to control is less clear.
"Before the 80s, IT functions were localized in physically secure and tightly controlled environments. The rise of the Internet saw the distinction between external and internal networks, with the DMZ (De-Militarized Zone) emerging as the perimeter between the two. But today, with demand for anytime, anywhere access and more mobile devices, the distinction between what's in and what's out is disappearing. In effect, the walls are coming down and the enterprise is becoming de-perimeterized. "
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