The NSA also got Huawei's stuff too. I highly doubt a Chinese company was cooperating with the NSA. Really,it seems like the NSA just went after market leaders and developed exploits against those systems. As far as this article suggests, they had no internal help in doing so.
Not using US equipment probably does little. The solution is to make secure equipment that is harder to exploit. Moreover, the argument can be made that if the NSA can find these issues, so can others that the US government considers a threat to national security.
Not using US equipment probably does little. The solution is to make secure equipment that is harder to exploit. Moreover, the argument can be made that if the NSA can find these issues, so can others that the US government considers a threat to national security.