Founded by Leonard Bosack and Sandy Lerner 33 years ago in 1984 in San Francisco, California, United States; Cisco Systems Inc is a multinational conglomerate producing networking solutions. The company is a leading name in the technology industry and has ventured into niche markets including Internet of Things (IoT), energy management, and domain security. Their major product portfolio includes networking hardware, software, telecommunications equipment, and other services and products. Among the plethora of Cisco’s products, the most famous ones include routers, switches, firewalls, VPNs, antivirus software, storage networking (NAS), IP cameras, VoIP phones, unified computing systems, and others. The company also provides certifications for their products.