Although the recipe appears to still be "Top Secret", a pressing technical issue was leaked to the world with this discovery.
Verizon has told its field technicians in Pennsylvania that they can be fired if they try to fix broken copper phone lines. Instead, employees must try to replace copper lines with a device that connects to Verizon Wireless’s cell phone network.
While sensitive data such as e-mails and commercial transactions are generally encrypted before being transmitted, the Chinese government holds a copy of an encryption master key, and there was speculation that China might have used it to break the encryption on some of the misdirected Internet traffic.
What "encryption master key" are they talking about?
TFA can be found here: