The Chinese government denies any involvement in computer hacking and says any such activity emanating from China is the work of rogue hackers not sponsored by the state. But plenty of reports, including this latest one, have suggested otherwise. Here’s a map of victims of hacking by Unit 61398, which Mandiant refers to as Advanced Persistent Threat (APT) 1:

Image for article titled Hacking against the US is traced to the front door of a Chinese army unit

The Mandiant report doesn’t identify any victims by name, though others have in the past, but says the hacking of companies has spanned 20 major industries. (The Times reports that Unit 61398 wasn’t responsible for recent hacking of the newspaper’s servers.) This timeline gives a sense of where the hackers have seemed to focus their interest at various times:

Image for article titled Hacking against the US is traced to the front door of a Chinese army unit

The report, which is available as PDF here, also details the techniques and infrastructure of Unit 61398 in an attempt to aid defenses against the attacks—and, of course, to market Mandiant’s services for the same.

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