Cisco Systems is a company that designs and sells a range of technologies across networking, security, collaboration, applications, and the cloud. It offers switching, routing, wireless, and data center products, hardware and software-based solutions, network security, cloud and email security, identity and access management, threat protection, and unified threat management products, as well as cloud and system management products. The company also provides technical support and advanced services to businesses, public institutions, governments, and service providers.