# Menlo Ventures' Cybersecurity Investments: 15 Startups in Its Portfolio (2026) > The 15 Cybersecurity startups Menlo Ventures has backed, by stage: $1.4B raised between them. From the rounds we track; updated nightly. Source: https://millionrounds.com/portfolio-maps/menlo-ventures-cybersecurity-portfolio (Millionrounds; every figure on the page links to its filing or article) ## Series C and later 6 - [Obsidian Security](https://millionrounds.com/company/obsidian-security) - [Signifyd](https://millionrounds.com/company/signifyd) - [Semgrep](https://millionrounds.com/company/semgrep) - [Immersive](https://millionrounds.com/company/immersive) - [*AN* Avi Networks](https://millionrounds.com/company/avi-networks) - [*IN* Ingrian Networks](https://millionrounds.com/company/ingrian-networks) ## Stage not reported 5 - [BitSight](https://millionrounds.com/company/bitsight) - [vArmour](https://millionrounds.com/company/varmour) - [Zafran Security](https://millionrounds.com/company/zafran-security) - [Truework](https://millionrounds.com/company/truework) - [oak9](https://millionrounds.com/company/oak9) ## Series A 4 - [Owl](https://millionrounds.com/company/owl) - [ClearVector](https://millionrounds.com/company/clearvector) - [tCell](https://millionrounds.com/company/tcell) - [Veriflow](https://millionrounds.com/company/veriflow) ## Segment by segment ### Series C and later 6 startups · $655M raised - [**Obsidian Security**](https://millionrounds.com/company/obsidian-security) Obsidian Security is a cybersecurity company founded in 2017, specializing in comprehensive security solutions for SaaS and enterp United States $191M - [**Signifyd**](https://millionrounds.com/company/signifyd) Signifyd is a technology company based in San Jose, California, founded in 2011. United States $186M - [**Semgrep**](https://millionrounds.com/company/semgrep) Semgrep is a cybersecurity company based in San Francisco, founded in 2017. United States $100M - [**Immersive**](https://millionrounds.com/company/immersive) We grow your talent acquisition team with professional On-Demand in-house recruiters. United Kingdom $66M - [*AN* **Avi Networks**](https://millionrounds.com/company/avi-networks) Avi Networks is a cloud application services platform that offers software load balancer, web application, and API security solutions. United States $60M - [*IN* **Ingrian Networks**](https://millionrounds.com/company/ingrian-networks) United States $51M ### Stage not reported 5 startups · $658M raised - [**BitSight**](https://millionrounds.com/company/bitsight) Bitsight is the global leader in cyber risk intelligence, helping teams make informed risk decisions with the industry’s most exte United States $350M - [**vArmour**](https://millionrounds.com/company/varmour) VArmour offers data defined perimeter security solutions for mobile, virtual, and cloud platforms. United States $144M - [**Zafran Security**](https://millionrounds.com/company/zafran-security) Zafran Security is a New York-based cybersecurity company founded in 2022, specializing in an AI-native Threat Exposure Management United States $120M - [**Truework**](https://millionrounds.com/company/truework) Truework is an automated verification platform that specializes in income and employment verification for mortgage lenders, bankin United States $36M - [**oak9**](https://millionrounds.com/company/oak9) oak9 is a cybersecurity SaaS Platform for Developers. United States $8.0M ### Series A 4 startups · $49M raised - [**Owl**](https://millionrounds.com/company/owl) Owl is a behavioral health technology company that offers a comprehensive measurement-based care platform designed to enhance ment United States $18M - [**ClearVector**](https://millionrounds.com/company/clearvector) ClearVector is an identity-driven cloud security company founded in 2020 and headquartered in the United States. United States $13M - [**tCell**](https://millionrounds.com/company/tcell) tCell is a Next-Gen Cloud WAF designed to protect applications, APIs, and microservices where they are most vulnerable. United States $9.4M - [**Veriflow**](https://millionrounds.com/company/veriflow) Veriflow’s mission is to apply continuous verification to networks, preventing outages and vulnerabilities that lead to astronomical losses. United States $8.2M **How this map is made.** Every startup here works in Cybersecurity and has raised money in a round we track that names Menlo Ventures as an investor. Each sits under the stage of its latest round. Rebuilt nightly; updated 15 November 2026. ## More portfolio maps [All portfolios](https://millionrounds.com/portfolio-maps) [Sector portfolio **Menlo Ventures' AI portfolio** 95 startups · $155B](https://millionrounds.com/portfolio-maps/menlo-ventures-ai-portfolio)[Sector portfolio **Menlo Ventures' Fintech portfolio** 26 startups · $3.2B](https://millionrounds.com/portfolio-maps/menlo-ventures-fintech-portfolio)[Sector portfolio **Menlo Ventures' Big Data & Analytics portfolio** 17 startups · $1.2B](https://millionrounds.com/portfolio-maps/menlo-ventures-big-data-analytics-portfolio)[Sector portfolio **Menlo Ventures' IT Services portfolio** 16 startups · $576M](https://millionrounds.com/portfolio-maps/menlo-ventures-it-services-portfolio)[Sector portfolio **Menlo Ventures' Biotech portfolio** 11 startups · $1.7B](https://millionrounds.com/portfolio-maps/menlo-ventures-biotech-portfolio)[Sector portfolio **Menlo Ventures' Software portfolio** 10 startups · $540M](https://millionrounds.com/portfolio-maps/menlo-ventures-software-portfolio) ## Raising from investors like Menlo Ventures? 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