Fortinet (Nasdaq: FTNT) is an American multinational corporation headquartered in Sunnyvale, California. It develops and sells cybersecurity solutions, including but not limited to physical products such as firewalls, plus software and services such as anti-virus protection, intrusion prevention systems and endpoint security components. Fortinet was founded in 2000 by brothers Ken Xie and Michael Xie. The company’s first and main product was FortiGate, a physical firewall. The company later added wireless access points, sandboxing, and messaging security.