Security is obviously a part of what DARPA hopes to improve with EDICT research and much more needs to be done for WANs.
Nemertes wrote in its 2014-15 Benchmark Report: WAN Best Practices and Success Factors that: "Organizations shifting to Internet as WAN need to be cautious of security threats lurking on the net. For Internet as WAN branches, encryption is table stakes, but as such it is still a key component to successful WAN. WAN encryption keeps threats on the Web at a minimum. Currently, 44% of companies use WAN encryption, with another 10% of companies showing interest in the technology in the future. With regulation requirements and general security the top drivers, encrypted WAN helps organizations achieve a security for data at rest and in motion."
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