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Synack

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Adapted from the English Wikipedia article Synack, available under CC BY-SA 4.0Updated 28 November 2025
Synack
Company typePrivate
IndustryCybersecurity, Software as a Service
Founded2013; 13 years ago (2013) in Redwood City, California, United States
FounderJay Kaplan, Mark Kuhr
Headquarters
Redwood City
,
United States
Area served
Worldwide
Key people
Jay Kaplan (Co-founder)
ProductsPenetration Testing as a Service (PTaaS) platform
Websitesynack.com

Synack is a technology firm headquartered in Redwood City, California, established in 2013 by former NSA operatives Jay Kaplan and Mark Kuhr. The company offers a software-as-a-service (SaaS) platform that connects organizations with independent security researchers to conduct penetration testing aimed at uncovering software vulnerabilities.

Overview

Utilizing a worldwide community of ethical hackers spanning over 80 countries, Synack identifies security weaknesses, including those affecting generative AI technologies. The company promotes its offering as "Penetration Testing as a Service" (PTaaS), which integrates traditional bug bounty initiatives with advanced platform oversight to manage testing processes.

Its clientele encompasses the U.S. Department of Health and Human Services, Department of Defense, multiple governmental bodies, as well as businesses in sectors such as retail, finance, healthcare, and manufacturing. Synack has executed security evaluations on military equipment, Pentagon information systems, and critical infrastructure related to U.S. elections prior to the 2020 and 2024 presidential contests.

Funding

Synack has attracted investments from 21 different backers. In April 2014, it completed a Series A financing round involving Kleiner Perkins Caufield Byers, Google Ventures, Allegis Capital, and Derek Smith from Shape Security. The company secured $25 million in Series B funding by February 2015.

April 2017 saw Synack raise $21 million from contributors including Microsoft Ventures, Hewlett Packard Enterprise, Singtel, alongside earlier investors.

The latest funding event occurred in May 2020 when Synack announced a $52 million capital injection led by C5 Capital and B Capital Group.

See also

External links