[6] Its first products were designed to protect customers' WAN connections and mobile devices with services including next-generation firewalling, URL filtering, application control and VPN access.

[5] In June 2018, the company added threat hunting capabilities to its networking service.

[8] In April 2020, the company raised $77 million in a Series D.[1] In November, the company announced a $130 million Series E funding round, led by return investors Lightspeed Partners, with participation from Greylock Partners, U.S. Venture Partners, Aspect Capital, Singaporean fund Singtel's subsidiary Innov8, and hedge fund Coatue Management.

[8] The round was led by Lightspeed Venture Partners with the participation of existing investors Greylock, Acrew Capital, Coatue, Singtel Innov8, and CEO Kramer.

[12][13] The company's Cato SASE Cloud platform supports more than 73 points of presence in over 150 countries.