Censys
The Authority for Internet Intelligence and Insights
Ann Arbor, United States · Founded 2017 · $245.5M raised
- Headquarters
- Ann Arbor, Michigan
- Employees
- 51–200
- Founded
- 2017
- Business Model
- B2B
- Website
- censys.io
- Total Funding
- $245.5M
- Last Round
- $70.0M Series DApr 2026
- Rounds
- 7
About
Censys is an internet intelligence platform that maintains an authoritative, continuously updated map of global internet infrastructure, scanning every accessible asset daily. Security teams use Censys to discover unknown internet-facing assets, identify misconfigurations and vulnerabilities, and hunt for threats before attackers exploit them. The platform covers hosts, services, websites, cloud buckets, and ICS/IoT devices across all providers and networks, giving defenders the same visibility as adversaries. Censys also offers an open-source Python SDK and integrations with major security tools including Qualys and recon-ng.
Summary
Censys is a Cybersecurity company based in Ann Arbor, United States, founded in 2017. It has raised $245.5M in total across 7 rounds, most recently a $70.0M Series D round in Apr 2026. Investors include Greylock Partners, Intel Capital and Decibel Partners.
Tech & App Stack
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Funding History
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Apr 2026
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Venture Round through Series D — per-round amounts, valuations, and who invested in each round.
Investors
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