Fortinet Continues to Lead in Worldwide UTM Factory Revenue According to Leading Market Research Firm

SUNNYVALE, Calif., Sept 17, 2007 - Fortinet® - a pioneer and leading provider of unified threat management (UTM) solutions - today announced that new IDC research data confirms that for the third consecutive quarter, the company ranked No. 1 in worldwide UTM factory revenue for Q2 2007, ahead of Check Point, Cisco, Crossbeam, Juniper and SonicWall. According to this data, Fortinet ranks No. 3 among the top five largest security appliance vendors worldwide for the quarter and is the fastest growing of these vendors year over year from Q2 2006, based on factory revenue. Additionally, IDC data confirmed that Fortinet experienced significant growth in both factory revenue and units shipped in a high-end UTM price band segment which typically represents sales to large enterprises and service providers.

Data in IDC's Worldwide Quarterly Security Appliance Tracker, Q2 2007 confirmed:

• Fortinet is the overall leader in UTM factory revenue for Q2 2007, ahead of Check Point, Cisco, Crossbeam, Juniper and SonicWall
• Fortinet is the No. 1 vendor in the $1K-$2.9K UTM price band for both factory revenue and units shipped
• Fortinet is the No. 1 vendor in the high-end UTM ($50K-$99.9K) price band segment for both factory revenue and units shipped
• Fortinet is the overall leader in UTM factory revenue for Western Europe and Asia Pacific

"As network threats continue to propagate, the need for a manageable, unified security front becomes even more of an imperative for large enterprises, MSSPs and telecommunications carriers," said Ken Xie, founder and CEO of Fortinet. "IDC's latest research confirms that all-sized organizations worldwide continue to adopt Fortinet's multi-threat security solutions to provide a truly integrated defense."

IDC defines UTM security appliance products as those that integrate multiple security features within one device, including network firewalling, network intrusion detection and prevention (IDP), and gateway anti-virus. Fortinet takes UTM further through its family of award-winning FortiGate™ multi-threat security systems that integrate eight essential security applications and services - including firewall, antivirus, virtual private network (VPN), intrusion prevention (IPS), anti-spam, Web content filtering and traffic shaping - that can be deployed individually, or combined as a UTM solution.

For more information on Fortinet solutions, please visit: www.fortinet.com/products

About Fortinet (www.fortinet.com)
Fortinet is the pioneer and leading provider of ASIC-accelerated unified threat management, or UTM, security systems, which are used by enterprises and service providers to increase their security while reducing total operating costs. Fortinet solutions were built from the ground up to integrate multiple levels of security protection--including firewall, antivirus, intrusion prevention, VPN, spyware prevention and anti-spam -- designed to help customers protect against network and content level threats. Leveraging a custom ASIC and unified interface, Fortinet solutions offer advanced security functionality that scales from remote office to chassis-based solutions with integrated management and reporting. Fortinet solutions have won multiple awards around the world and are the only security products that are certified eight times over by ICSA Labs (firewall, antivirus, IPSec, SSL, IPS, client antivirus detection, cleaning and antispyware). Fortinet is privately held and based in Sunnyvale, California.