Fortinet, Inc.
Cybersecurity and Network SecurityFounded 2000- Updated June 2025
Reviewed by Swet Parvadiya
Last reviewed: June 2025
CorpDigest
Fortinet, Inc.
Company History
Founded 2000 in Sunnyvale, California
Last reviewed: 2025-06-08 · By Swet Parvadiya
Under the leadership of Founder and CEO Ken Xie, who previously founded NetScreen Technologies and pioneered the stateful inspection firewall market, Fortinet has maintained a relentless focus on product consolidation, operational efficiency, and technological innovation. The origin of Fortinet, Inc. is not a typical Silicon Valley startup story, but the second act of a visionary entrepreneur who had already fundamentally reshaped the network security industry and was determined to solve the next generation of security challenges through hardware innovation. In the late 1990s, Ken Xie, a brilliant engineer who had previously founded NetScreen Technologies and pioneered the stateful inspection firewall market, watched as the internet exploded in popularity and enterprise networks became increasingly vulnerable to sophisticated, high-volume cyber attacks. In 2000, even before the NetScreen acquisition was fully finalized, Ken Xie quietly began assembling a new team of elite hardware and software engineers, including his brother Michael Xie, a renowned expert in ASIC design and high-performance computing.
Ken Xie is a legendary figure in the cybersecurity industry and the Founder, Chairman, and CEO of Fortinet, Inc. His career is defined by a relentless pursuit of hardware-accelerated security innovation. In the late 1990s, Xie founded NetScreen Technologies, which revolutionized the industry by replacing slow, software-based packet filters with high-performance, hardware-accelerated firewalls, culminating in a $4 billion acquisition by Juniper Networks in 2001. However, frustrated by the bureaucratic inertia of large vendors and recognizing that complex, application-layer threats required a fundamentally new architectural approach, Xie began assembling a new team of elite engineers in 2000, including his brother Michael Xie. Their foundational insight was to design custom application-specific integrated circuits (ASICs) purpose-built specifically for cybersecurity processing, a monumental technical and commercial risk that required tens of millions of dollars in upfront investment. Launching a hardware-intensive security company in the immediate aftermath of the dot-com crash seemed like financial suicide, but Xie leveraged his personal reputation and deep relationships to fund the initial development of the first FortiASIC chip. In 2002, Fortinet emerged from stealth, introducing the FortiGate 1000, a revolutionary next-generation firewall that delivered performance and security capabilities that were orders of magnitude faster than any software-based competitor. Xie's highly unconventional strategic decision to build the company entirely through the channel, empowering value-added resellers with exceptional training and robust margins, allowed Fortinet to achieve global market penetration with a fraction of the overhead costs incurred by its rivals. Under his continued leadership, Fortinet has grown into a $5.8 billion revenue powerhouse, validating Xie's radical vision that custom silicon and channel partnerships could disrupt the entrenched legacy vendors and redefine the economics of the cybersecurity industry.
Michael Xie is a highly respected hardware engineer and the co-founder of Fortinet, Inc., having joined forces with his brother Ken Xie in 2000 to establish the company that would revolutionize the network security industry through custom silicon. Michael's deep technical expertise in ASIC design, high-performance computing, and semiconductor architecture was instrumental in the development of the first FortiASIC chip, a monumental technical undertaking that required rewriting the fundamental rules of how network security appliances process traffic. Recognizing that general-purpose merchant CPUs could not handle the computationally intensive tasks of SSL decryption, IPS scanning, and anti-malware filtering at line speed, Michael led the relentless engineering effort to design a purpose-built processor that could offload these tasks from the main CPU, enabling the FortiGate firewall to deliver industry-leading throughput and ultra-low latency. His contributions during the critical, high-risk development phase of the company helped establish a culture of relentless technical optimization and hardware innovation that remains a hallmark of Fortinet's product development philosophy. Although he eventually transitioned to a different role within the company as it scaled into a global enterprise, Michael Xie's foundational work on the original FortiASIC architecture remains the bedrock upon which Fortinet's multi-billion-dollar hardware franchise and unmatched price-performance advantage were built, securing the company's dominant market position for decades to come.
Ken Xie and Michael Xie founded Fortinet in 2000, initiating the massive technical and commercial risk of developing proprietary FortiASIC custom silicon to solve the next generation of application-layer security challenges.
Fortinet emerged from stealth in 2002, introducing the FortiGate 1000, a revolutionary next-generation firewall that delivered performance and security capabilities orders of magnitude faster than any software-based competitor, shocking the industry.
Fortinet went public on the NASDAQ in 2009, raising $135 million and validating its channel-centric business model and ASIC-accelerated architecture, providing the capital necessary to scale global operations and R&D.
Fortinet introduced the Fortinet Security Fabric, integrating multiple security products into a single, unified operating system (FortiOS), marking a strategic pivot from point-product hardware to a comprehensive, consolidated security platform.
Fortinet launched FortiSASE, its cloud-native secure access service edge platform, unifying network security and secure web gateway capabilities into a single, cloud-delivered architecture to protect hybrid workforces and distributed branches.
Fortinet reported $5.84 billion in consolidated FY2024 revenue and $6.3 billion in billings, achieving non-GAAP operating margins exceeding 28% and generating $1.55 billion in free cash flow, demonstrating the extreme operational leverage of its business model.
To acquire advanced IoT security and healthcare-specific threat detection capabilities, enhancing Fortinet's ability to secure the rapidly expanding attack surface of connected medical devices and industrial IoT endpoints.
To acquire advanced endpoint detection and response (EDR) and post-breach protection capabilities, strengthening Fortinet's ability to detect and respond to sophisticated, fileless malware and advanced persistent threats across the enterprise.
To acquire advanced small cell and wireless network optimization technologies, enhancing Fortinet's ability to deliver high-performance, secure wireless access in dense, high-capacity environments like stadiums, airports, and large enterprise campuses.
Fortinet was formed in 2000 just as the dot-com collapse froze enterprise IT budgets and made investors wary of unproven hardware startups. When the company emerged from stealth in 2002, entrenched rivals like Cisco and Check Point publicly dismissed its custom-silicon approach as a niche product too expensive to scale. Fortinet spent its first few years proving that a purpose-built firewall could outperform software competitors despite that skepticism.
The FortiGate 1000, introduced when Fortinet came out of stealth in 2002, was a next-generation firewall built around proprietary ASIC hardware rather than general-purpose CPUs. It delivered throughput and inspection speeds that were orders of magnitude faster than software-based competitors of the era. That performance leap established the FortiGate hardware line that still generates the majority of Fortinet's product revenue today.
Fortinet went public on the NASDAQ in 2009, raising roughly $135 million in the offering. The capital validated its channel-centric sales model and ASIC-accelerated architecture at a time when few security hardware vendors had reached the public markets. The proceeds funded the global sales expansion and research spending that carried Fortinet toward multibillion-dollar annual revenue.
The strategic pivot began in 2014 with the introduction of the Fortinet Security Fabric, which unified more than 20 separate security products under a single FortiOS operating system. This shifted Fortinet from selling standalone firewall boxes toward a consolidated platform that cross-connects network, endpoint, and cloud protection. The move set the direction for later cloud-native offerings across the portfolio.
In 2020 Fortinet launched FortiSASE, a cloud-native secure access service edge platform that merged network security and secure web gateway functions into one cloud-delivered service. The launch marked Fortinet's formal expansion beyond on-premises hardware into subscription cloud security for hybrid and remote workforces. It became a central pillar of the company's push to grow recurring revenue during the shift to distributed work.