Synack is an American technology company based in Redwood City, California, United States.

[4][5] Customers include government agencies and businesses in retail, healthcare, and the manufacturing industry.

[6][7] Established in 2013 by former NSA agents Jay Kaplan and Mark Kuhr, Synack employs a network of freelance security analysts, or hackers, in over 80 countries to identify and address vulnerability and security issues.

In July 2020, the Colorado secretary of state's office partnered with Synack to conduct penetration tests of its election systems ahead of the presidential vote.

[1][11] In April 2017, it raised $21M from Microsoft Ventures, Hewlett Packard Enterprise, and Singtel and prior investors.