Cisco

Cisco Systems was founded in San Francisco by Stanford University computer scientists Leonard Bosack and Sandy Lerner, who developed the technology to connect disparate computer networks.

Cisco shipped its first product, the Advanced Gateway Server (AGS) router, the first commercially successful multiprotocol router that could connect different types of computer networks.

Cisco went public on the Nasdaq under ticker CSCO, raising capital to expand its networking product line.

Cisco introduced the 7000 series router, a high-end multiprotocol router that became the backbone of the internet's infrastructure and drove Cisco's rapid growth.

At the peak of the dot-com bubble, Cisco became the world's most valuable company with a market capitalization of over $500 billion, surpassing Microsoft.

Cisco acquired Scientific Atlanta for $6.9 billion to enter the cable television and home networking equipment market.

Cisco acquired WebEx for $3.2 billion, entering the online collaboration and video conferencing market, which would become critical during the remote work era.

Cisco was added to the Dow Jones Industrial Average, replacing General Motors, reflecting its status as a blue-chip technology company.

Cisco acquired Meraki for $1.2 billion, gaining its cloud-managed Wi-Fi, switching, and security platform. Meraki's cloud-based approach to network management complemented Cisco's traditional on-premise networking hardware. The acquisition gave Cisco a foothold in the rapidly growing cloud-managed networking market. Meraki became one of Cisco's fastest-growing businesses and a key driver of recurring revenue.

Cisco acquired Sourcefire, a leading cybersecurity company, for $2.7 billion. Sourcefire created the open-source Snort intrusion detection system and the FirePOWER next-generation firewall platform. The acquisition significantly expanded Cisco's security product line and made it a major player in the network security market. Sourcefire's technology became the foundation of Cisco's unified security platform.

Chuck Robbins became CEO of Cisco, succeeding John Chambers who had led the company for 20 years. Chambers had grown Cisco from a $1.2 billion company to a $47 billion networking giant during his tenure. Robbins immediately shifted Cisco's strategy toward software, subscriptions, and security, reducing reliance on traditional hardware. This leadership transition marked a generational change for the company.

Cisco acquired AppDynamics, a leading application performance monitoring and IT operations analytics company, for $3.7 billion. The acquisition was Cisco's largest in the software space and signaled its strategic pivot from hardware-centric networking toward software and services, particularly in observability and application performance management.

Cisco announced Silicon One, a unified chip architecture designed to power both service provider and enterprise networking equipment from a single silicon platform. Silicon One represented Cisco's most ambitious silicon strategy in decades, enabling the company to compete more effectively with Broadcom and Marvell in the merchant silicon market while simplifying its internal router and switch ASIC development.

Cisco was readmitted to the Dow Jones Industrial Average, rejoining the blue-chip index 14 years after being replaced in 2009. The return reflected Cisco's successful transformation from a pure-play networking hardware vendor to a software and cybersecurity company, with recurring revenue now representing a significant portion of its total business.

Cisco acquired Splunk, the cybersecurity and observability platform company, for $28 billion in its largest acquisition in history. The deal transformed Cisco into one of the largest pure-play software companies in the world and positioned it as a leader in security information and event management (SIEM), AI-powered security analytics, and full-stack observability.

Cisco reported record quarterly revenue of USD 15.8 billion as AI networking hardware orders surged, while simultaneously announcing plans to cut approximately 4,000 jobs (about 5% of its workforce) to fund its AI and cybersecurity pivot. The company's Silicon One chip architecture and AI-optimized networking saw exponential demand from hyperscale data center buildouts. Cisco's stock surged 17% on the news, hitting an all-time high as the market embraced its AI transformation strategy.

AMD, Cisco and Saudi PIF-backed HUMAIN announced that AMD Instinct MI355X GPU-based AI infrastructure built on Cisco Silicon One AI networking is now live in Saudi Arabia and serving HUMAIN customers. The go-live marks Cisco's largest AI-networking deployment in the Middle East and the first major milestone of the AMD-Cisco-HUMAIN alliance, which targets up to 1 gigawatt of AI capacity in the Kingdom by 2030, anchored by HUMAIN's order of 160,000 AMD Instinct GPUs.