The cyberattack on the Marriott hotel chain that collected personal details of roughly 500 million guests was part of a Chinese intelligence-gathering effort that also hacked health insurers and the security clearance files of millions more, writes  David E. Sanger, Nicole Perlroth, Glenn Thrush and Alan Rappeport.

Here is the link: https://www.nytimes.com/2018/12/11/us/politics/trump-china-trade.html