Joint US and Japanese security advisory warn of attacks from a Chinese APT named BlackTech that likes to compromise routers at subsidiaries and then pivot to main corporate US/JP headquarters

The group has a craving for Cisco routers... nom nom nom

https://www.cisa.gov/news-events/alerts/2023/09/27/nsa-fbi-cisa-and-japanese-partners-release-advisory-prc-linked-cyber-actors