# Top 26 Cybersecurity Startups in San Jose by Funding (2026)

> The 26 best-funded cybersecurity startups in San Jose, ranked by total funding raised: $1.5B combined.

Source: https://millionrounds.com/top-lists/cybersecurity-startups-san-jose (Millionrounds; every figure on the page links to its filing or article)

- 1 [**Exaforce** Exaforce is a cybersecurity software company based in San Jose, California, founded in 2023.](https://millionrounds.com/company/exaforce) Exaforce is a cybersecurity software company based in San Jose, California, founded in 2023. *Founded* 2023 San Jose, United States **$201M** last round May 2026
- 2 [**Signifyd** Signifyd is a technology company based in San Jose, California, founded in 2011.](https://millionrounds.com/company/signifyd) Signifyd is a technology company based in San Jose, California, founded in 2011. *Founded* 2011 San Jose, United States **$186M** last round May 2018
- 3 [**Zscaler** Zscaler empowers enterprises to modernize security, streamline operations and help transform business through its innovative approach to cybersecurity.](https://millionrounds.com/company/zscaler) Zscaler empowers enterprises to modernize security, streamline operations and help transform business through its innovative approach to cybersecurity. *Founded* 2007 San Jose, United States **$148M** last round Sept 2015
- 4 [**Vectra** Vectra is a cybersecurity platform that uses AI to detect attackers in real time and perform conclusive incident investigations.](https://millionrounds.com/company/vectra) Vectra is a cybersecurity platform that uses AI to detect attackers in real time and perform conclusive incident investigations. *Founded* 2011 San Jose, United States **$136M** last round Jun 2019
- 5 [**Virsec** Virsec Systems, Inc.](https://millionrounds.com/company/virsec) Virsec Systems, Inc. *Founded* 2015 San Jose, United States **$126M** last round Apr 2022
- 6 [**Mocana** Mocana is a developer of cybersecurity software solutions that protect Internet of Things devices and industrial infrastructure.](https://millionrounds.com/company/mocana) Mocana is a developer of cybersecurity software solutions that protect Internet of Things devices and industrial infrastructure. *Founded* 2002 San Jose, United States **$96M** last round Mar 2019
- 7 [**Cavium** Cavium Networks develops and markets semiconductor processors for intelligent and secure networks.](https://millionrounds.com/company/cavium) Cavium Networks develops and markets semiconductor processors for intelligent and secure networks. *Founded* 2000 San Jose, United States **$93M** last round Mar 2011
- 8 [**Balbix** SAFE is a leader in autonomous cyber risk management.](https://millionrounds.com/company/balbix) SAFE is a leader in autonomous cyber risk management. *Founded* - San Jose, United States **$90M** last round Mar 2022
- 9 [**Stellar Cyber** Stellar Cyber is an open XDR platform that offers comprehensive security while streamlining operations for efficiency.](https://millionrounds.com/company/stellar-cyber) Stellar Cyber is an open XDR platform that offers comprehensive security while streamlining operations for efficiency. *Founded* 2015 San Jose, United States **$72M** last round Apr 2026
- 10 [**Tigera** Tigera is a cloud-native cybersecurity company founded in 2016, specializing in security solutions for AI workloads, agents, and Kubernetes clusters.](https://millionrounds.com/company/tigera) Tigera is a cloud-native cybersecurity company founded in 2016, specializing in security solutions for AI workloads, agents, and Kubernetes clusters. *Founded* 2016 San Jose, United States **$53M** last round Dec 2018
- 11 [**Netography** Cloud-Native Network Defense Platform for All Your Cloud and On-Prem Traffic](https://millionrounds.com/company/netography) Cloud-Native Network Defense Platform for All Your Cloud and On-Prem Traffic *Founded* 2018 San Jose, United States **$48M** last round Nov 2021
- 12 [**Vormetric** Vormetric provides enterprise encryption and key management services that enable corporations to protect their data.](https://millionrounds.com/company/vormetric) Vormetric provides enterprise encryption and key management services that enable corporations to protect their data. *Founded* 2001 San Jose, United States **$45M** last round Jun 2013
- 13 [**Concentric AI** Concentric AI is a data security company based in San Jose, California, founded in 2018.](https://millionrounds.com/company/concentric-ai) Concentric AI is a data security company based in San Jose, California, founded in 2018. *Founded* 2018 San Jose, United States **$45M** last round Oct 2024
- 14 [**ShieldX** ShieldX Security Ltd is a London-based cybersecurity firm dedicated to providing quality services and solutions to protect organizations from digital threats.](https://millionrounds.com/company/shieldx) ShieldX Security Ltd is a London-based cybersecurity firm dedicated to providing quality services and solutions to protect organizations from digital threats. *Founded* 2015 San Jose, United States **$25M** last round Dec 2017
- 15 [**Axiad** Axiad is a leading identity security company founded in 2010, specializing in encryption, authentication, and credential management.](https://millionrounds.com/company/axiad) Axiad is a leading identity security company founded in 2010, specializing in encryption, authentication, and credential management. *Founded* 2010 San Jose, United States **$25M** last round Jul 2024
- 16 [**Securly** Securly is a student safety platform that designs for cyber compliance services.](https://millionrounds.com/company/securly) Securly is a student safety platform that designs for cyber compliance services. *Founded* 2012 San Jose, United States **$21M** last round Dec 2018
- 17 [**Opsin** Opsin is a GenAI and enterprise AI security company based in San Jose, California, founded in 2024.](https://millionrounds.com/company/opsin) Opsin is a GenAI and enterprise AI security company based in San Jose, California, founded in 2024. *Founded* 2024 San Jose, United States **$21M** last round Oct 2026
- 18 [**Portal26** Portal26 is an enterprise-focused platform specializing in AI Trust, Risk, and Security Management (AI TRiSM).](https://millionrounds.com/company/portal26) Portal26 is an enterprise-focused platform specializing in AI Trust, Risk, and Security Management (AI TRiSM). *Founded* 2019 San Jose, United States **$9.0M** last round Nov 2025
- 19 [**Veriflow** Veriflow’s mission is to apply continuous verification to networks, preventing outages and vulnerabilities that lead to astronomical losses.](https://millionrounds.com/company/veriflow) Veriflow’s mission is to apply continuous verification to networks, preventing outages and vulnerabilities that lead to astronomical losses. *Founded* 2013 San Jose, United States **$8.2M** last round Jul 2016
- 20 [**PatternEx** PatternEx combines the power of humans and machines into an AI system that detects cyber threats at scale and in real time.](https://millionrounds.com/company/patternex) PatternEx combines the power of humans and machines into an AI system that detects cyber threats at scale and in real time. *Founded* 2013 San Jose, United States **$7.8M** last round Aug 2018
- 21 [**Fleak** Fleak is a software development company based in San Jose, California, founded in 2024.](https://millionrounds.com/company/fleak) Fleak is a software development company based in San Jose, California, founded in 2024. *Founded* 2021 San Jose, United States **$5.0M** last round Oct 2024
- 22 [**Visual Threat** VisualThreat is a connected-car security vendor that offers vehicle firewall and OTA ECU update solutions.](https://millionrounds.com/company/visual-threat) VisualThreat is a connected-car security vendor that offers vehicle firewall and OTA ECU update solutions. *Founded* 2013 San Jose, United States **$5.0M** last round Jun 2018
- 23 [**Pinch AI** Pinch AI is a San Francisco-based company that specializes in AI-powered solutions for retailers.](https://millionrounds.com/company/pinch-ai) Pinch AI is a San Francisco-based company that specializes in AI-powered solutions for retailers. *Founded* 2023 San Jose, United States **$5.0M** last round Jan 2026
- 24 [**Cybervergent** Cybervergent is an AI-native cybersecurity and digital trust technology company based in Lagos, Nigeria.](https://millionrounds.com/company/cybervergent) Cybervergent is an AI-native cybersecurity and digital trust technology company based in Lagos, Nigeria. *Founded* 2023 San Jose, United States **$3.0M** last round Mar 2026
- 25 [**Nevis Networks** Nevis Networks is a cybersecurity company that specializes in Persistent LAN Security solutions.](https://millionrounds.com/company/nevis-networks) Nevis Networks is a cybersecurity company that specializes in Persistent LAN Security solutions. *Founded* 2002 San Jose, United States **$1.6M** last round Feb 2010
- 26 [**Browserling** Browserling is a software company based in Silicon Valley, founded in 2010.](https://millionrounds.com/company/browserling) Browserling is a software company based in Silicon Valley, founded in 2010. *Founded* 2011 San Jose, United States **$55K** last round Mar 2011

**Total funding** how the list is ranked

**15 November 2026** updated nightly

**Rounds we track** source: Millionrounds

Companies whose funding rounds we classed in this sector, ranked by the total they have raised in rounds we hold. Nobody pays to be on a list.

## Who backed them?

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## More cybersecurity lists

[See all](https://millionrounds.com/top-lists?t=Cybersecurity)

[*H* *K* *V* **Cybersecurity startups in the United States** 1,085 companies · $29B](https://millionrounds.com/top-lists/cybersecurity-startups-united-states)[*T* *Q* *E* **Cybersecurity startups in Europe** 405 companies · $5.7B](https://millionrounds.com/top-lists/cybersecurity-startups-europe)[*H* *K* *F* **Cybersecurity startups that raised in 2026** 262 companies · $13B in 2026](https://millionrounds.com/top-lists/cybersecurity-startups-raised-2026)[*T* *Q* *D* **Cybersecurity startups in the United Kingdom** 164 companies · $3.9B](https://millionrounds.com/top-lists/cybersecurity-startups-united-kingdom)[*D* *C* *C* **Cybersecurity startups in San Francisco** 112 companies · $4.0B](https://millionrounds.com/top-lists/cybersecurity-startups-san-francisco)[*H* *I* *C* **Cybersecurity startups founded in 2020** 96 companies · $4.7B](https://millionrounds.com/top-lists/cybersecurity-startups-founded-2020)[*C* *Q* *F* **Cybersecurity startups founded in 2021** 92 companies · $3.3B](https://millionrounds.com/top-lists/cybersecurity-startups-founded-2021)[*QC* *E* *T* **Cybersecurity startups founded in 2018** 89 companies · $2.4B](https://millionrounds.com/top-lists/cybersecurity-startups-founded-2018)

## More lists for San Jose

[See all](https://millionrounds.com/top-lists?r=San%20Jose)

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