How about a list of compromised Chinese telecommunications systems? It's not surprising that the NSA would infiltrate those systems in order to complete some of

How about a list of compromised Chinese telecommunications systems? It's not surprising that the NSA would infiltrate those systems in order to complete some of its objectives, but the list of which systems were compromised when is sensitive information that Snowden leaked right after revealing he was in Hong Kong in a misguided attempt to gain asylum there.