Topsec Technologies Group Inc., together with its subsidiaries, provides network security and intelligent cloud solutions for basic networks, industrial internet, internet of vehicles, and internet of things in China. It is involved in technical development and consulting, software development and sales, network and information security software development, electronic product sales, and communication equipment sales, as well as the provision of computer systems and technical services. The company was formerly known as Nanyang Topsec Technologies Group Inc. and changed its name to Topsec Technologies Group Inc. in November 2020. Topsec Technologies Group Inc. was founded in 1985 and is headquartered in Shantou, China.