The CIA's entire network in China was rolled up and liquidated due to an IT security failure and that certainly made its way to the press. I think we can infer

The CIA's entire network in China was rolled up and liquidated due to an IT security failure and that certainly made its way to the press. I think we can infer that Snowden's disclosures didn't have anything like such an impact. https://foreignpolicy.com/2018/08/15/botched-cia-communications-system-helped-blow-cover-chinese-agents-intelligence/ https://foreignpolicy.com/2018/08/15/botched-cia-communicati...