Kaspersky was highlighted when a NSA agent took their work home and Kapersky software spotted strange security tools / threats on the machine. They told US authorities but somehow the tools got leaked and Kaspersky were blamed.
Huawei are partly targets as American security researchers worry Huawei are becoming too embedded into our infrastructure. They are one of the few companies who can provide the full 5g stack. Chinese trade war is probably part of it too.