"The documents also reveal how the NSA plans to secretly introduce new flaws into communication systems so that they can be tapped into—a controversial tactic that security experts say could be exposing the general population
“The documents also reveal how the NSA plans to secretly introduce new flaws into communication systems so that they can be tapped into—a controversial tactic that security experts say could be exposing the general population to criminal hackers. Codenamed AURORAGOLD, the covert operation has monitored the content of messages sent and received by more than 1,200 email accounts associated with major cellphone network operators, intercepting confidential company planning papers that help the NSA hack into phone networks.,,, The operation appears aimed at ensuring virtually every cellphone network in the world is NSA accessible.”
See the full text: Operation Auroragold – How the NSA Hacks Cellphone Networks Worldwide (The Intercept, link)
And see document: AURORAGOLD overview (pdf)