Cisco

Cisco is a networking and security company that sells products, solutions, and services. Its offerings span networking, security, observability, and collaboration. Its product lines include switches, routers, wireless, and the Cisco Secure Firewall. Cisco also offers Professional Services and Cisco Support.

Its legal name is Cisco Systems, Inc. Its own pages cite more than 1 million customers worldwide. They also report 39 million networking devices connected to its platform and 750 billion security events observed daily across networks.