A company half-owned by the Chinese government has been planting 'back doors' in the tax software American companies need to do business in China since 2018, researchers say

· New research from the cybersecurity company Trustwave shows malware planted in Chinese tax software dates back to 2018. 
· All companies doing business in China are required to download the software, and hundreds have identified the malware. It's made by Aisino, a 20,000-employee company approximately half-owned by the...