SAN FRANCISCO — China’s state-sponsored hackers have drastically changed how they operate over the last three years, substituting selectivity for what had been a scattershot approach to their targets and showing a new determination by Beijing to push its surveillance state beyond its borders.
The government has poured considerable resources into the change, which is part of a reorganization of the national People’s Liberation Army that President Xi Jinping initiated in 2016, security researchers and intelligence officials said.
China’s hackers have since built up a new arsenal of techniques, such as elaborate hacks of iPhone and Android software, pushing them beyond email attacks and the other, more basic tactics that they had previously employed.
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