In a potential violation of US sanctions, Taiwan Semiconductor Manufacturing Co. found that chips made for one customer ended up with Huawei Technologies Co. TSMC stopped shipments in mid-October after realizing semiconductors made for the client were used in Huawei products. The chipmaker has informed the US and Taiwanese governments and is conducting further investigations. This discovery has raised concerns about the flow of technology to a Chinese company under US sanctions. The situation is sensitive and remains under scrutiny.
https://www.bloomberg.com/news/articles/2024-10-23/tsmc-cuts-off-client-after-discovering-chips-diverted-to-huawei