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DPI goes blind as encryption adoption increases

Posted by Günter Ollmann on Jun 1, 2016 10:49:05 AM

Governments and businesses that have traditionally relied upon deep packet inspection (DPI) or content-level inspection technologies to identify threats or control access across the perimeter of their networks are at the cusp of a dramatic and non-reversible sea change. Month on month organizations have observed the silent shift to encrypted communications, and with that, their visibility and control of network traffic has incrementally diminished.
 
As the encryption of North-South corporate network traffic reaches levels of 60% or more in most environments, organizations are finding themselves in the uncomfortable position of having to plan for the abandonment of the DPI-based perimeter defenses they’ve depended upon for a decade and a half. It would seem that IDS, IPS, DLP, and ADS are rapidly turning dark.
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Topics: cybersecurity, Deep Packet Inspection


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