By David E. Sanger, Nicole Perlroth, Glenn Thrush and Alan Rappeport
WASHINGTON — 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 Americans, according to two people briefed on the investigation.
Đọt Chuối Non 