In October 2013 I was very surprised when I read that the Jericho Forum had declared success and chose to “sunset”. A statement published by The Open Group (http://blog.opengroup.org/2013/10/29/jericho-forum-declares-success-and-sunsets/) declares that the Jericho Forum has achieved a “landmark victory” by making Deperimaterization an established fact. –I was amazed, because after years and years of waiting I personally had believed that deprimeterization now finally starts to take off the ground rather than being complete.
So, why do I believe that it has just started? Surely, in the year 2004, when the Jericho Forum was incepted people were still shocked by the holes that IPSEC VPNs were drilling through the corporate firewalls. No one thought about giving the perimeter up as a whole and handing our data and computations entirely over to public computing clouds. In the past we had end to end control over resources and data. Virtualization and computing clouds abstract end to end control away from us and replace it with security controls, people and processes that we do not control.
But, what do we control in public clouds? Is it safe enough if we emulate a legacy experience (aka “the perimeter”) in a virtual private cloud (VPC) by using a virtual firewall and an SDN? Or should we better adopt a zero-trust model where we assume that the computations and the storage of data happen in a hostile environment? I am not sure (yet).
In 2009 I wrote about deperimeterization (http://www.slideshare.net/with_joerg/deperimeterization) stipulating that in such a scenario both systems and data must defend themselves disregarding the context that they are in. Under all circumstances data should be concealed (aka “encrypted”) and only be visible to authorized individuals. In 2009 I argued that this is the time of IRM and DRM products. Nowadays I think it maybe the right time for an “encryption in depth” approach or better to make comprehensive client-side encryption a best practice. It may certainly be an enabler for the further adoption of computing clouds, no matter what soft spots remain. And there are quite some!
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