# Censys

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/censys

- Industry: IT Security/Cybersecurity
- Headquarters: Ann Arbor, US
- Website: www.censys.com/
- Total disclosed funding: $143M
- Latest round: Series D (Mar 30, 2026)
- Investors on record: 10

## About

Censys, Inc., based in Ann Arbor, Michigan, specializes in cybersecurity solutions, providing organizations with tools to enhance Internet visibility and protect against cyber threats. Censys, Inc. was founded in 2017 and operates in the cybersecurity sector, focusing on delivering real-time data and insights into Internet infrastructure. In March 2026, Censys, Inc. raised USD 40 million in series D funding led by new investor Morgan Stanley Expansion Capital, with participation from returning Investors Decibel, Greylock Partners, GV, and Intel Capital. Other unspecified investors also participated in the round. The round was part of a larger USD 70 million series D and debt funding. The company was co-founded by Emily Averton, Nick Zaharia, and Zakir Durumeric, with Zakir Durumeric serving as CEO. Censys offers a comprehensive suite of products designed to enhance Internet visibility and cybersecurity for organizations across various sectors. Central to their offerings is the Censys Platform, which provides real-time data and insights into Internet infrastructure, allowing security teams to identify vulnerabilities, monitor attack surfaces, and proactively hunt for threats. Their Internet Map and CensAI™ integrations serve as foundational tools that enable users to analyze their digital footprint, understand dependencies, and detect potential risks. These products are tailored for a diverse client base that includes financial services, government entities, and healthcare organizations, providing critical support in managing their cybersecurity challenges. Censys operates in multiple geographical markets, effectively serving clients in North America, Europe, and Asia-Pacific regions, thereby addressing the global demand for robust Internet intelligence solutions.Censys generates revenue primarily through subscription-based models, where clients pay for access to their suite of cybersecurity tools and intelligence services. The pricing structure accommodates a range of clients, from small businesses to large enterprises. Organizations may engage Censys for Internet visibility services, attack surface management, or threat hunting modules, each associated with distinct pricing plans reflecting the complexity and scope of the services provided. Partnerships with enterprises and government agencies further enhance their revenue streams, as clients rely on Censys for ongoing support in identifying and mitigating cyber threats. This revenue model underscores a direct-to-business approach, ensuring that security teams have continuous access to vital data and insights necessary for proactive defense against cybersecurity threats.

## Funding rounds

- Series D, Mar 30, 2026, $40M — Intel Capital, Greylock Partners, GV, Morgan Stanley Expansion Capital, Decibel
- Series C, Oct 24, 2023, $50M — Hamilton Lane, Intel Capital, Greylock Partners, GV, Four Rivers Group, Ascension, Decibel
- Series B, Jan 27, 2022, $35M — Intel Capital, Greylock Partners, GV, Decibel
- Series A, Aug 5, 2020, $16M — Greylock Partners, OUP (Osage University Partners), GV, Decibel
- Seed, Nov 27, 2018, $2.6M — Greylock Partners, OUP (Osage University Partners), GV, Mango Capital

## Investors

- Greylock Partners (https://capitalatlas.ai/funds/greylock-partners) — Seed, Series A, Series B, Series C, Series D
- OUP (Osage University Partners) (https://capitalatlas.ai/funds/oup-osage-university-partners) — Seed, Series A
- GV (https://capitalatlas.ai/funds/gv) — Seed, Series A, Series B, Series C, Series D
- Mango Capital (https://capitalatlas.ai/funds/mango-capital) — Seed
- Decibel (https://capitalatlas.ai/funds/decibel) — Series A, Series B, Series C, Series D
- Intel Capital (https://capitalatlas.ai/funds/intel-capital) — Series B, Series C, Series D
- Hamilton Lane (https://capitalatlas.ai/funds/hamilton-lane) — Series C
- Four Rivers Group (https://capitalatlas.ai/funds/four-rivers-group) — Series C
- Ascension (https://capitalatlas.ai/funds/ascension) — Series C
- Morgan Stanley Expansion Capital (https://capitalatlas.ai/funds/morgan-stanley-expansion-capital) — Series D