Hangzhou Xiongmai Technology Co., Ltd. is one of the largest manufacturers of video surveillance equipment (surveillance cameras, digital video recorders (DVRs), and network video recorders (NVRs)) in the world. If it were not for the Mirai IoT botnet, their business strategy of acting only as an original equipment manufacturer (OEM) would have kept them a unheard-of corporation located in East-China.

https://sec-consult.com/en/blog/2018/10/millions-of-xiongmai-video-surveillance-devices-can-be-hacked-via-cloud-feature-xmeye-p2p-cloud/