Security News China's BlackTech Hacking Group Exploited Routers to Target U.S. and Japanese Companies Daniel Bender Sep 28, 2023 Cybersecurity agencies from Japan and the U.S. have warned of attacks mounted by a state-backed hacking group from China to stealthily tamper with branch routers and use them as jumping-off points to access the networks of various companies in the two countries. The attacks have been tied to a malicious cyber actor dubbed BlackTech by the U.S. National Security Agency (NSA), Federal Bureau of