Top list · San Jose

Cybersecurity startups in San Jose

26 cybersecurity startups in San Jose have raised money in rounds we track. These are the 26 that have raised the most, $1.5B between them.

$1.5Braised by these 26
26on our record in all
Exaforceraised the most
  1. 1ExaforceExaforce is a cybersecurity software company based in San Jose, California, founded in 2023.

    Exaforce is a cybersecurity software company based in San Jose, California, founded in 2023.

    Founded 2023San Jose, United States$201Mlast round May 2026
  2. 2SignifydSignifyd is a technology company based in San Jose, California, founded in 2011.

    Signifyd is a technology company based in San Jose, California, founded in 2011.

    Founded 2011San Jose, United States$186Mlast round May 2018
  3. 3ZscalerZscaler empowers enterprises to modernize security, streamline operations and help transform business through its innovative approach to cybersecurity.

    Zscaler empowers enterprises to modernize security, streamline operations and help transform business through its innovative approach to cybersecurity.

    Founded 2007San Jose, United States$148Mlast round Sept 2015
  4. 4VectraVectra is a cybersecurity platform that uses AI to detect attackers in real time and perform conclusive incident investigations.

    Vectra is a cybersecurity platform that uses AI to detect attackers in real time and perform conclusive incident investigations.

    Founded 2011San Jose, United States$136Mlast round Jun 2019
  5. 5VirsecVirsec Systems, Inc.

    Virsec Systems, Inc.

    Founded 2015San Jose, United States$126Mlast round Apr 2022
  6. 6MocanaMocana is a developer of cybersecurity software solutions that protect Internet of Things devices and industrial infrastructure.

    Mocana is a developer of cybersecurity software solutions that protect Internet of Things devices and industrial infrastructure.

    Founded 2002San Jose, United States$96Mlast round Mar 2019
  7. 7CaviumCavium Networks develops and markets semiconductor processors for intelligent and secure networks.

    Cavium Networks develops and markets semiconductor processors for intelligent and secure networks.

    Founded 2000San Jose, United States$93Mlast round Mar 2011
  8. 8BalbixSAFE is a leader in autonomous cyber risk management.

    SAFE is a leader in autonomous cyber risk management.

    Founded -San Jose, United States$90Mlast round Mar 2022
  9. 9Stellar CyberStellar Cyber is an open XDR platform that offers comprehensive security while streamlining operations for efficiency.

    Stellar Cyber is an open XDR platform that offers comprehensive security while streamlining operations for efficiency.

    Founded 2015San Jose, United States$72Mlast round Apr 2026
  10. 10TigeraTigera is a cloud-native cybersecurity company founded in 2016, specializing in security solutions for AI workloads, agents, and Kubernetes clusters.

    Tigera is a cloud-native cybersecurity company founded in 2016, specializing in security solutions for AI workloads, agents, and Kubernetes clusters.

    Founded 2016San Jose, United States$53Mlast round Dec 2018
  11. 11NetographyCloud-Native Network Defense Platform for All Your Cloud and On-Prem Traffic

    Cloud-Native Network Defense Platform for All Your Cloud and On-Prem Traffic

    Founded 2018San Jose, United States$48Mlast round Nov 2021
  12. 12VormetricVormetric provides enterprise encryption and key management services that enable corporations to protect their data.

    Vormetric provides enterprise encryption and key management services that enable corporations to protect their data.

    Founded 2001San Jose, United States$45Mlast round Jun 2013
  13. 13Concentric AIConcentric AI is a data security company based in San Jose, California, founded in 2018.

    Concentric AI is a data security company based in San Jose, California, founded in 2018.

    Founded 2018San Jose, United States$45Mlast round Oct 2024
  14. 14ShieldXShieldX Security Ltd is a London-based cybersecurity firm dedicated to providing quality services and solutions to protect organizations from digital threats.

    ShieldX Security Ltd is a London-based cybersecurity firm dedicated to providing quality services and solutions to protect organizations from digital threats.

    Founded 2015San Jose, United States$25Mlast round Dec 2017
  15. 15AxiadAxiad is a leading identity security company founded in 2010, specializing in encryption, authentication, and credential management.

    Axiad is a leading identity security company founded in 2010, specializing in encryption, authentication, and credential management.

    Founded 2010San Jose, United States$25Mlast round Jul 2024
  16. 16SecurlySecurly is a student safety platform that designs for cyber compliance services.

    Securly is a student safety platform that designs for cyber compliance services.

    Founded 2012San Jose, United States$21Mlast round Dec 2018
  17. 17OpsinOpsin is a GenAI and enterprise AI security company based in San Jose, California, founded in 2024.

    Opsin is a GenAI and enterprise AI security company based in San Jose, California, founded in 2024.

    Founded 2024San Jose, United States$21Mlast round Oct 2026
  18. 18Portal26Portal26 is an enterprise-focused platform specializing in AI Trust, Risk, and Security Management (AI TRiSM).

    Portal26 is an enterprise-focused platform specializing in AI Trust, Risk, and Security Management (AI TRiSM).

    Founded 2019San Jose, United States$9.0Mlast round Nov 2025
  19. 19VeriflowVeriflow’s mission is to apply continuous verification to networks, preventing outages and vulnerabilities that lead to astronomical losses.

    Veriflow’s mission is to apply continuous verification to networks, preventing outages and vulnerabilities that lead to astronomical losses.

    Founded 2013San Jose, United States$8.2Mlast round Jul 2016
  20. 20PatternExPatternEx combines the power of humans and machines into an AI system that detects cyber threats at scale and in real time.

    PatternEx combines the power of humans and machines into an AI system that detects cyber threats at scale and in real time.

    Founded 2013San Jose, United States$7.8Mlast round Aug 2018
  21. 21FleakFleak is a software development company based in San Jose, California, founded in 2024.

    Fleak is a software development company based in San Jose, California, founded in 2024.

    Founded 2021San Jose, United States$5.0Mlast round Oct 2024
  22. 22Visual ThreatVisualThreat is a connected-car security vendor that offers vehicle firewall and OTA ECU update solutions.

    VisualThreat is a connected-car security vendor that offers vehicle firewall and OTA ECU update solutions.

    Founded 2013San Jose, United States$5.0Mlast round Jun 2018
  23. 23Pinch AIPinch AI is a San Francisco-based company that specializes in AI-powered solutions for retailers.

    Pinch AI is a San Francisco-based company that specializes in AI-powered solutions for retailers.

    Founded 2023San Jose, United States$5.0Mlast round Jan 2026
  24. 24CybervergentCybervergent is an AI-native cybersecurity and digital trust technology company based in Lagos, Nigeria.

    Cybervergent is an AI-native cybersecurity and digital trust technology company based in Lagos, Nigeria.

    Founded 2023San Jose, United States$3.0Mlast round Mar 2026
  25. 25Nevis NetworksNevis Networks is a cybersecurity company that specializes in Persistent LAN Security solutions.

    Nevis Networks is a cybersecurity company that specializes in Persistent LAN Security solutions.

    Founded 2002San Jose, United States$1.6Mlast round Feb 2010
  26. 26BrowserlingBrowserling is a software company based in Silicon Valley, founded in 2010.

    Browserling is a software company based in Silicon Valley, founded in 2010.

    Founded 2011San Jose, United States$55Klast round Mar 2011
Total fundinghow the list is ranked
15 November 2026updated nightly
Rounds we tracksource: 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.

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