China targeted and might have held for months access to the infrastructure used to do wiretaps on the AT&T and Verizon networks.
This is a huge "told you so" moment for the cryptographic community that has been saying that such infrastructure does present a huge risk to national security. China reportedly used this capability for intelligence collection, obviously without a warrant ...
@fj
The WSJ is somewhat inaccessible to me.
Are the compromised systems at the Lawful Interception level or the NSA Room 614A level?