Whatever might be possible theoretically, where is there any experience that says that security of the Internet (and computers connected to it) is under any kind of reasonable control? Several times a year, huge data thefts occur at reputable computing entities. I haven't seen estimates of the resulting damages. But the costs of the ongoing security war have been estimated, roughly (the following impressions are just my summary of media reports-- whether the numbers are right or not is important, but beyond my reach).
Billions of dollars are spent "securing" systems against viruses, trojans and other threats. Billions are spent developing and deploying commercial and illicit techniques for invasions. Still more is spent on repairing damages from such invasions. Who knows what governments or terrorists are doing under cover?
So, where is there any evidence that cybersecurity efforts are successful, or even improving?
Why would there not be an occasion when an attack is 100's or 1000's of times more successful than the "noise" level, and how could the potential for such an attack be estimated amidst the noise?
The enormous dependence of the US (world)economy and government on computers is obvious. In my view, the addition of cloud computing to the cybersecurity stew is an enormous compromise in security that should be avoided. Any apparent cost savings will be overwhelmed by increases in vulnerability.
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