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I first heard the term "de-perimeterization" back around 2004. This expression was attributed to the Jericho Forum, a group of chief information security officers and industry leaders who anticipated a new business requirement and security challenge. Jericho Forum knew that ubiquitous global connectivity spelled the end of the network "walled garden"--private corporate networks protected by perimeter devices like security gateways and firewalls. As more and more organizations opened their networks, developed externally focused applications, and welcomed new, untrusted users, information security was bound to get a lot more difficult.

According to ESG Research, the 2004 … Read more