Cybersecurity Experts Worried by Chinese Firm’s Control of Smart Devices 

Smart home thermostats. Smart home security cameras. Smart refrigerators. Smart TVs. Smart pet feeders. Smart breast pumps.

From rooftop to basement and the bedrooms in between, much of the technology making consumer products smart comes from a little-known Chinese firm, Tuya Inc. of Hangzhou. Tuya says as of 2020, its services cover more than 1,100 categories, such as healthcare, agriculture and apartment management, and are sold in more than 220 countries and regions globally in over 116.5 million smart devices.  More than 5,000 brands have incorporated Tuya’s technology in their products, including Dutch multinational Philips, and TCL, the Chinese electronics company that makes Roku TV, according to the company. Global retailers Amazon, Target and Walmart sell consumer products that use Tuya’s technology.