SIGNAL SCIENCES

FOUNDERS: Nick Galbreath, Zane Lackey, Andrew Peterson (CEO)

LEAD INVESTORS: Charles River Ventures, Harrison Metal, Index Ventures, Lead Edge Capital, OATV

Signal Sciences protects companies’ web apps from cyberattacks. Demand for the Los Angeles company’s product is booming as work that used to happen on intranets now happens over the open web as employees work from home. The three founders met as developers at Etsy, where they designed cybersecurity for the site’s e-commerce operations.