AdvertisementU.S. Security Company Tracks Hacking To Chinese Army UnitFebruary 19, 2013Frank LangfittfacebookEmailThe building housing Unit 61398 of the People's Liberation Army is on the outskirts of Shanghai. A U.S. security firm claims that cyberattacks against more than 140 targets in the U.S. and other countries have been traced to the Chinese military unit in the building. (AP)