# Insight Partners' Cybersecurity Investments: 31 Startups in Its Portfolio (2026) > The 31 Cybersecurity startups Insight Partners has backed, by stage: $4.2B raised between them. From the rounds we track; updated nightly. Source: https://millionrounds.com/portfolio-maps/insight-venture-partners-cybersecurity-portfolio (Millionrounds; every figure on the page links to its filing or article) ## Series C and later 15 - [Island](https://millionrounds.com/company/island) - [Corelight](https://millionrounds.com/company/corelight) - [Tailscale](https://millionrounds.com/company/tailscale) - [Aqua Security](https://millionrounds.com/company/aqua-security) - [*SS* Sift Science](https://millionrounds.com/company/sift-science) - [Filigran](https://millionrounds.com/company/filigran) - [Checkmarx](https://millionrounds.com/company/checkmarx) - [Mimecast](https://millionrounds.com/company/mimecast) - [Valimail](https://millionrounds.com/company/valimail) - [Shift5](https://millionrounds.com/company/shift5) - [Immersive](https://millionrounds.com/company/immersive) - [GitGuardian](https://millionrounds.com/company/gitguardian) - [Pentera](https://millionrounds.com/company/pentera) - [Prevalent](https://millionrounds.com/company/prevalent) - [Recorded Future](https://millionrounds.com/company/recorded-future) ## Stage not reported 8 - [Keyfactor](https://millionrounds.com/company/keyfactor) - [Mosyle](https://millionrounds.com/company/mosyle) - [Acronis](https://millionrounds.com/company/acronis) - [Semperis](https://millionrounds.com/company/semperis) - [Featurespace](https://millionrounds.com/company/featurespace) - [Dazz](https://millionrounds.com/company/dazz) - [SonarSource](https://millionrounds.com/company/sonarsource) - [SaaS Alerts](https://millionrounds.com/company/saas-alerts) ## Series A 3 - [Prelude](https://millionrounds.com/company/prelude) - [DNSFilter](https://millionrounds.com/company/dnsfilter) - [Ory Corp](https://millionrounds.com/company/ory-corp) ## Series B 3 - [Linx Security](https://millionrounds.com/company/linx-security) - [SpecterOps](https://millionrounds.com/company/specterops) - [DoControl](https://millionrounds.com/company/docontrol) ## Pre-seed and seed 2 - [Jit](https://millionrounds.com/company/jit) - [Aceiss](https://millionrounds.com/company/aceiss) ## Segment by segment ### Series C and later 15 startups · $2.0B raised - [**Island**](https://millionrounds.com/company/island) Island is an innovative company founded in 2020, specializing in the Enterprise Browser. United States $650M - [**Corelight**](https://millionrounds.com/company/corelight) Corelight is a cybersecurity company based in San Francisco, founded in 2013. United States $209M - [**Tailscale**](https://millionrounds.com/company/tailscale) Tailscale is a technology company founded in 2019 by former Google engineers, including CEO Avery Pennarun. Canada $161M - [**Aqua Security**](https://millionrounds.com/company/aqua-security) Aqua Security is a global leader in cloud-native security solutions, focusing on the protection of containerized and cloud-native United States $147M - [*SS* **Sift Science**](https://millionrounds.com/company/sift-science) United States $107M - [**Filigran**](https://millionrounds.com/company/filigran) Filigran is a cybersecurity company that develops an open-source threat intelligence management platform. France $93M - [**Checkmarx**](https://millionrounds.com/company/checkmarx) Checkmarx is trusted by enterprises worldwide to secure their application development from code to cloud. United States $92M - [**Mimecast**](https://millionrounds.com/company/mimecast) Mimecast is a SaaS-based email management platform enabling companies to administer business communications and data. United Kingdom $90M ### Stage not reported 8 startups · $1.9B raised - [**Keyfactor**](https://millionrounds.com/company/keyfactor) Keyfactor is a global leader in digital trust, specializing in public key infrastructure (PKI) and crypto-agility solutions. United States $1.1B - [**Mosyle**](https://millionrounds.com/company/mosyle) Mosyle is a leading provider of Apple Mobile Device Management (MDM) and security solutions designed for enterprise and education customers. United States $312M - [**Acronis**](https://millionrounds.com/company/acronis) Acronis unifies data protection & cybersecurity to deliver integrated, automated cyber protection to solve challenges of the digital world. Switzerland $147M - [**Semperis**](https://millionrounds.com/company/semperis) Semperis is a developer of enterprise identity protection and cyber resilience for cross-cloud and hybrid environments. United States $125M - [**Featurespace**](https://millionrounds.com/company/featurespace) Featurespace provides an adaptive behavioral analytics technology and automated deep behavioral networks for risk management. United Kingdom $125M - [**Dazz**](https://millionrounds.com/company/dazz) Dazz delivers unified security remediation across code, clouds, infrastructure, and applications for security and development teams. United States $50M - [**SonarSource**](https://millionrounds.com/company/sonarsource) Sonar provides open-source and commercial code analyzers to help developers manage code quality. Switzerland $45M - [**SaaS Alerts**](https://millionrounds.com/company/saas-alerts) SaaS Alerts is a cloud security company built for MSPs to protect and monetize customer SaaS applications. United States $22M ### Series A 3 startups · $64M raised - [**Prelude**](https://millionrounds.com/company/prelude) Prelude provides a platform designed to streamline recruiting operations. United States $44M - [**DNSFilter**](https://millionrounds.com/company/dnsfilter) DNSFilter is a cybersecurity company that specializes in protective DNS solutions, AI-driven content filtering, and threat protection. United States $15M - [**Ory Corp**](https://millionrounds.com/company/ory-corp) Ory Corp makes and operates Ory Cloud for Zero Trust Security based on Ory's open-source identity, authx, and permission United States $5.0M ### Series B 3 startups · $143M raised - [**Linx Security**](https://millionrounds.com/company/linx-security) Linx Security is a privately held cybersecurity company founded in 2023 and based in New York, New York. United States $83M - [**SpecterOps**](https://millionrounds.com/company/specterops) SpecterOps is a cybersecurity company that provides services and training solutions to help enterprises defend against attacks. United States $30M - [**DoControl**](https://millionrounds.com/company/docontrol) DoControl is an automated platform that provides data access monitoring, orchestration, and remediation across SaaS applications. United States $30M ### Pre-seed and seed 2 startups · $42M raised - [**Jit**](https://millionrounds.com/company/jit) Jida Zhengyuan provides password-based credible identity authentication and credible data security. China $39M - [**Aceiss**](https://millionrounds.com/company/aceiss) The risk of unauthorized access is a real and growing threat for everyone. United States $3.3M **How this map is made.** Every startup here works in Cybersecurity and has raised money in a round we track that names Insight Partners 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 **Insight Partners' AI portfolio** 124 startups · $244B](https://millionrounds.com/portfolio-maps/insight-venture-partners-ai-portfolio)[Sector portfolio **Insight Partners' Fintech portfolio** 38 startups · $13B](https://millionrounds.com/portfolio-maps/insight-venture-partners-fintech-portfolio)[Sector portfolio **Insight Partners' Big Data & Analytics portfolio** 31 startups · $2.9B](https://millionrounds.com/portfolio-maps/insight-venture-partners-big-data-analytics-portfolio)[Sector portfolio **Insight Partners' IT Services portfolio** 21 startups · $4.0B](https://millionrounds.com/portfolio-maps/insight-venture-partners-it-services-portfolio)[Sector portfolio **Insight Partners' Cloud portfolio** 19 startups · $1.6B](https://millionrounds.com/portfolio-maps/insight-venture-partners-cloud-portfolio)[Sector portfolio **Insight Partners' Software portfolio** 19 startups · $1.6B](https://millionrounds.com/portfolio-maps/insight-venture-partners-software-portfolio) ## Raising from investors like Insight Partners? 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