Beijing can likely track the movements and communications of those affected.

A map of China is seen through a magnifying glass on a computer screen showing binary digits in this file photo. Edgar Su/Reuters
Federal law enforcement recently released a new advisory outlining the extent of Chinese state-backed hacking attempts against the United States and other nations.
The advisory outlines the previously unknown breadth and depth of several key cyberoperations backed by the Chinese Communist Party (CCP) and targeting the United States and other nations.