Lumen Technologies (NYSE:LUMN) is a communications and technology company that provides network, connectivity, cloud, cybersecurity and managed services primarily to businesses, government organizations and wholesale customers. Its offerings include fiber-based internet and data transport, software-defined networking, network security, unified communications, voice services, edge computing and related information technology solutions.
The company operates one of the largest enterprise fiber networks in the United States and also serves customers internationally through its global network and wholesale operations. Lumen provides connectivity between businesses, data centers, cloud service providers and other network operators, supporting applications such as cloud computing, artificial intelligence, video, collaboration and other data-intensive services.
Lumen was formerly known as CenturyLink and adopted the Lumen Technologies name in 2020. The company expanded substantially through the acquisition of Level 3 Communications in 2017, adding extensive enterprise and international network assets. In subsequent years, Lumen sold certain operations, including its traditional local-exchange carrier business in 20 states to Brightspeed and its Europe, Middle East and Africa business to Colt Technology Services, sharpening its focus on enterprise connectivity and digital networking.