Synack is a security company that provides a platform that combines software and human intelligence to help organizations identify and fix security vulnerabilities. The company's platform includes a network of security researchers who are incentivized to find vulnerabilities in a customer's systems, and a software platform that helps customers manage the vulnerability identification and remediation process. Synack's customers include Fortune 500 companies, government agencies, and other large organizations. The company was founded in 2013 and is headquartered in Redwood City, California.