"That essentially turned an assumed endpoint-security service model into a host-based model, which was then exploited by law enforcement organizations to break the system," the source from Cryptocloud said.
Even if encryption problems are solved, there's always the problem of metadata, which can't be encrypted and can be very useful for any kind of snoop. It includes the subject of a message, who the email is addressed to, who sent it and when it was sent.
"That information is extremely valuable," Green noted. "When the NSA was collecting data from Verizon, all it wanted was metadata. It didn't care about the phone calls themselves."
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