Best Cybersecurity Companies in Santa Clara, United States
The 97 best Cybersecurity companies in Santa Clara, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Netskope.
Ranked: Best Cybersecurity companies in Santa Clara
| # | Company | Disclosed funding | Last round | Employees | Founded | Founder | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | Netskope 🦄 Cloud security platform for enterprises | $1.4B | 41 mo ago | 1,542 | 2012 | Krishna Narayanaswamy Founder & CTO | 506 patents Patents concentrated in electrical & electronics | — |
| 2 | Druva 🦄 Provider of cloud-based platform for data protection, security, and governance | $475M | 62 mo ago | 697 | 2008 | Jaspreet Singh Co-Founder & CEO | 75 patents Cloud-based data backup, recovery, and compaction with snapshot and container management | — |
| 3 | Aviatrix 🦄 Provider of cloud network security and multicloud networking platform solutions | $346M | 57 mo ago | — | 2013 | Doug M CEO | — | — |
| 4 | Aviatrix 🦄 Cloud security solutions provider | $346M | 57 mo ago | 314 | 2014 | Pankaj Manglik Co-Founder & CEO | — | — |
| 5 | vArmour Cloud infrastructure security solutions provider | $197M | 64 mo ago | 91 | 2011 | Roger Lian Co-Founder and CEO | — | — |
| 6 | Malwarebytes Provider of cybersecurity software including antivirus, VPN, and scam protection | $180M | 45 mo ago | 497 | 2008 | Marcin Kleczynski Co-Founder & CEO | 65 patents Malware detection and prevention for cloud, container, and sandbox environments. | — |
| 7 | NSFOCUS Intelligent hybrid security solutions provider protecting against DDoS and web attacks | $158M | 84 mo ago | 5 | 2000 | — | — | — |
| 8 | Virsec Systems Run time application self protection based web application security | $137M | 59 mo ago | 38 | 2006 | Satya Gupta Founder & CTO | 183 patents Application security: runtime memory corruption mitigation and automated vulnerability detection | — |
| 9 | Stoke Security gateway solutions to the broadband network industry | $104M | 167 mo ago | 49 | 2004 | — | 22 patents Secure traffic routing and core network bypass for 3GPP LTE/5G mobile communications | — |
| 10 | Kenna Security Provider of cloud based risk and vulnerability assessment platform | $99M | 67 mo ago | 154 | 2010 | — | — | — |
| 11 | DataVisor Provider of an AI-driven platform for fraud and financial crime prevention | $94M | 37 mo ago | 128 | 2013 | Yinglian Xie Co-Founder & CEO | 22 patents AI-driven fraud detection and malicious behavior analytics for online services | — |
| 12 | Avi Load Balancer Application Delivery Controller and WAF for on-premise and cloud applications | $93M | 96 mo ago | 108 | 2012 | — | — | — |
| 13 | Ordr Developer of security solutions to detect vulnerabilities in IoT devices | $90M | 48 mo ago | 62 | 2015 | Gnanaprakasam Pandian Chief Product Officer/Cofounder | 25 patents Patents concentrated in electrical & electronics | — |
| 14 | Infoblox Provider of core network services and security for hybrid enterprises | $71M | 69 mo ago | 603 | 1999 | — | 222 patents Network DNS/DHCP/IPAM security analytics and device classification for enterprise infrastructure | — |
| 15 | Stellar Cyber Provider of AI-driven platform for security operations, threat detection, and response | $68M | 2 mo ago | 38 | 2015 | Aimei Wei Founder | 9 patents Automated incident detection, scoring, and EDR/XDR integration for network security | — |
| 16 | Palo Alto Networks 🦄 Provider of cybersecurity platforms, threat intelligence, and incident response services | $66M | 94 mo ago | 200 | 2005 | Nir Zuk Co-Founder & CTO | 1,995 patents AI-driven network and cloud security, including threat detection, DNS analysis, and deepfake filtering | — |
| 17 | Webscale Provider of cloud infrastructure and agentic AI platform for commerce | $63M | 61 mo ago | 128 | 2009 | James Smith Founder | — | — |
| 18 | Axiad Provider of identity risk management and automation solutions | $45M | 22 mo ago | 65 | 2010 | Bassam Al-Khalidi Co-Founder | — | — |
| 19 | Baffle End-to-end encryption-based data security solution | $36M | 58 mo ago | 25 | 2015 | Priyadarshan Kolte Co-Founder | 42 patents Encrypted data processing and format‑preserving encryption for AI and secure communications | — |
| 20 | Nitro Security SIEM tools to identify, correlate, and remediate information security threats | $34M | 188 mo ago | 30 | 1999 | — | — | — |
| 21 | Alcion Provider of data protection and cyber security solutions for enterprises | $29M | 33 mo ago | 21 | 2022 | Niraj Tolia Co-Founder & CEO | 3 patents Resource-level anomaly detection using entropy metrics for IT/cloud infrastructure monitoring | — |
| 22 | Valtix Cloud security at scale with consistent, automated protection across cloud environments | $26M | 65 mo ago | 21 | 2018 | — | 5 patents Cloud security gateways and policy management for high‑performance cloud platforms | — |
| 23 | Palerra Comprehensive cloud security solutions for infrastructure, data, and applications | $25M | 134 mo ago | 37 | 2013 | — | 5 patents Patents concentrated in electrical & electronics | — |
| 24 | BlackRidge Identity based cyber security solutions | $22M | 145 mo ago | 8 | 2010 | — | 10 patents Cybersecurity for IoT and network authentication, plus statistical object identification | — |
| 25 | Airgap Provider of ransomware prevention and threat isolation platform | $19M | 50 mo ago | 16 | 2016 | Ritesh A Co-Founder & CEO | 2 patents Enterprise data backup and recovery management software solutions | — |
| 26 | Acalvio Deception and data science based threat detection and analytics | $17M | 115 mo ago | 75 | 2015 | Raj Gopalakrishna Md | — | — |
| 27 | Shadow Networks Advanced Threat Detection | $15M | 130 mo ago | 1 | 2010 | Eric Winsborrow Co-Founder | — | — |
| 28 | AccelOps IT Operations Analytics | $15M | 169 mo ago | 1 | 2007 | — | 4 patents Distributed real-time event counting and XML-based event processing for network monitoring | — |
| 29 | Deeper Provider of decentralized network solution | $13M | 37 mo ago | 21 | 2018 | — | — | — |
| 30 | Aurascape Provider of an AI-native security layer for enterprise AI application usage | $13M | 14 mo ago | — | 2024 | Patrick Xu Co-Founder & Chief Technology Officer | 15 patents Patents concentrated in computing, sensing & instrumentation | — |
| 31 | Silk Security Platform offering cybersecurity vulnerability management solution | $12M | 34 mo ago | 21 | 2022 | — | — | — |
| 32 | Rhino Labs Network performance and security solutions provider, specializing in embedded systems. | $12M | 36 mo ago | — | 2010 | Guy Marom CEO | 11 patents Marine docking structures and flexible canopies; tensionable/re‑tensionable bolts for mine support | — |
| 33 | Sentrigo DB activity monitoring, auditing & breach prevention solution | $10M | 186 mo ago | 6 | 2006 | Elad Yoran Founder & Director | 4 patents Database security and intrusion detection using context-aware monitoring | — |
| 34 | Internet Identity DNS firewall & threat intelligence based DNS security services | $8M | 151 mo ago | 65 | 1996 | Lars Harvey CEO | — | — |
| 35 | DataTrails Provider of tamper-proof transparency ledger technology for data provenance | $8M | 45 mo ago | — | 2018 | Krishna Anne Co-Founder | — | — |
| 36 | Anchiva Systems Firewall & signature based web security solution for enterprise | $7M | 241 mo ago | 90 | 2006 | Song Li CEO | — | — |
| 37 | Transporter Offering data privacy solution | $7M | 144 mo ago | — | 2006 | Dr. Geoff Barrall CEO | — | — |
| 38 | Procyon Platform offering passwordless authentication solution | $6M | 40 mo ago | 20 | 2019 | Sukhesh Halemane Co-Founder | — | — |
| 39 | Vertical Communications Unified Communications Systems | $5M | 144 mo ago | 103 | 2004 | — | — | — |
| 40 | VisualThreat Provider of connected car security solutions & services | $5M | 95 mo ago | 5 | 2013 | — | 6 patents Automotive CAN‑bus security: firewalls and intrusion detection for vehicle network communications. | — |
| 41 | Avenda Systems Network Access Control for BYOD devices | $5M | 219 mo ago | 21 | 2006 | Santhosh Cheeniyil Founder & CTO | — | — |
| 42 | Bit Discovery Exposure management platform unifying security visibility, insight, and action across attack surfaces | $4M | 59 mo ago | 9 | 2016 | — | — | — |
| 43 | Flagright AI-native compliance and risk management platform for financial services organizations, providing an… | $3M | 14 mo ago | 25 | 2021 | Baran Ozkan Cams Co-Founder & CEO | — | — |
| 44 | Armor5 Free music and video downloads, streaming platform for South African content | $2M | 159 mo ago | 8 | 2012 | Andrei Sheretov Co-Founder | 3 patents Web content caching and mirroring for synchronized document/event access | — |
| 45 | nextTier Networks Semantic analysis based DLP | $2M | 229 mo ago | 11 | 2006 | Tarique Mustafa Founder | — | — |
| 46 | Graymatics Provider of cloud and AI-based image recognition | $2M | 66 mo ago | 40 | 2011 | Abhijit S President & CEO | — | — |
| 47 | TrustGo Anti-virus protection suite for mobile security | $2M | 180 mo ago | 45 | 2011 | — | — | — |
| 48 | Sensory Provider of embeddable speech and vision technologies for consmer products | $1M | 73 mo ago | 43 | 1994 | Todd Mozer Chairman & CEO | 99 patents Audio/visual privacy sanitization and adaptive voice-assistant listening control technologies. | — |
| 49 | AiPrise Provider of a platform offering customer identity verification solutions | $125K | 8 mo ago | 8 | 2022 | Rushabh Shah Co-Founder & Co-CEO | — | — |
Top 12 Cybersecurity companies in Santa Clara
#1
Series B · Santa Clara, California · founded 2015 · 38 employees$68Mraised▾
Provider of AI-driven platform for security operations, threat detection, and response. The platform unifies security alerts, logs, network traffic, and endpoint data. It offers automated threat hunting, incident response, and case management. The platform helps security teams to identify threats and improve security effectiveness.
- Apr 2026Conventional Debt$25M
- Aug 2023Series B$33.7M
- Nov 2021Series B$38M
- Nov 2020Conventional Debt$1.5M
#2
Netskope 🦄Public · Santa Clara, California · founded 2012 · 1542 employees$1.4Braised▾
Cloud security platform for enterprises. It is a security platform that provides cloud, data, and network security solutions. The platform assists organizations to provide visibility into activities over cloud, web, and private applications. The solutions includes data loss prevention, remote browser isolation, an cloud firewall, and many more.
- Jan 2023Series I$401M
- Jul 2021Series H$300M
- Feb 2020Series G$340M
- Nov 2018Series F$168.7M
#3
Series A · Santa Clara, California · founded 2024$12.8Mraised▾
Provider of an AI-native security layer for enterprise AI application usage. It delivers visibility into how artificial intelligence tools are used across an enterprise. The security layer discovers all artificial intelligence usage and inspects each interaction. It understands user intent, classifies risk, and enforces policy. The offering secures sensitive data flowing through artificial intelligence tools. It applies contextual controls to prevent leakage or misuse.
- Apr 2025Series A$50M
- Aug 2024Seed$12.8M
#4
Late Stage · Santa Clara, California · founded 2010 · 65 employees$45Mraised▾
Provider of identity risk management and automation solutions. It offers tools to automate credential lifecycle management, mitigate identity risks, and improve operational efficiency. These solutions help organizations protect against phishing attacks, manage hardware authenticators at scale, and modernize their PKI systems. The company's offerings integrate with existing identity and access management (IAM) tools, enhancing security without requiring a complete system overhaul. Its products provide actionable insights into identity risks, enabling organizations to strengthen their security posture.
- Jul 2024PE$25M
- Jan 2021PE$20M
#5
Seed · Santa Clara, California · founded 2021 · 25 employees$2.9Mraised▾
AI-native compliance and risk management platform for financial services organizations, providing an automated solution for anti-money laundering (AML) and transaction monitoring. The company offers a unified compliance platform that includes real-time transaction monitoring, watchlist screening, dynamic risk scoring, case management, governance tools, and AI-powered investigation workflows to help organizations detect, investigate, and prevent suspicious financial activities.
- Mar 2025Seed$4.3M
- Jul 2022Seed$2.8M
- Mar 2022Seed$500K
#6
Druva 🦄Series H · Santa Clara, California · founded 2008 · 697 employees$475.3Mraised▾
Provider of cloud-based platform for data protection, security, and governance. The platform delivers cyber resilience, automated threat response, and data recovery. It offers data protection, cyber response and recovery, and eDiscovery and compliance capabilities. The platform supports public cloud, hybrid cloud, SaaS applications, and endpoint environments.
- Apr 2021Series H$147M
- Jun 2019Series G$130M
- Aug 2017Series F$80M
- Sep 2016Series E$51M
#7
Aviatrix 🦄Series E · Santa Clara, California · founded 2013$346Mraised▾
Provider of cloud network security and multicloud networking platform solutions. The company delivers networking, security, and operational visibility through its platform. It offers cloud network security fabric enforcing zero trust at the network layer. The platform secures cloud runtime agentlessly and in-line, without application changes. It provides consistent control across cloud environments with infrastructure as code support. The company offers resources, training, and support.
- Sep 2021Series E$200M
- Feb 2021Series D$75M
- Oct 2019Series C$46M
- Jan 2017Series B$15M
#8
Series C · Santa Clara, California · founded 2008 · 497 employees$180Mraised▾
Provider of cybersecurity software including antivirus, VPN, and scam protection. The company offers tools for device protection, identity protection, and privacy protection. It provides solutions for personal and business use. The business endpoint security solutions include managed service provider programs.
- Sep 2022Series C$100M
- Jan 2016Series B$50M
- Jul 2014Series A$30M
#9
Series D · Santa Clara, California · founded 2013 · 128 employees$94.5Mraised▾
Provider of an AI-driven platform for fraud and financial crime prevention. The platform offers real-time fraud detection and compliance solutions. It uses adaptive AI agents, machine learning, and intelligent automation. The platform is designed for enterprise scale and offers protection across various industries.
- May 2023Series D—
- Dec 2022Series D$40M
- Feb 2018Series C$40M
- Nov 2016Series A—
#10
Aviatrix 🦄Series E · Santa Clara, California · founded 2014 · 314 employees$346Mraised▾
Developer of a multi-cloud native networking software designed to simplify connectivity to the cloud in a secure and scalable way. The company delivers an enterprise-grade secure cloud network, backbone, and edge for mission-critical applications by creating a simplified and consistent networking architecture in and across cloud service providers, empowering businesses to accelerate innovation, minimize downtime, and gain control of IT costs.
#11
Series A · Santa Clara, California · founded 2022 · 8 employees$125Kraised▾
Provider of a platform offering customer identity verification solutions. Helps in stopping fraudsters from onboarding on the platform by layering up defenses and combining forces of all the best in class identity vendors. Features they offer are detected fraud, customized workflow and predefined templates.
- Oct 2025Series A$12.5M
- 2022Seed$500K
#12
Acquired · Santa Clara, California · founded 2011 · 91 employees$197Mraised▾
VArmour is a cloud infrastructure security solutions provider. It provides solutions for distributed security systems (DSS) which is a single logical system composed of multiple autonomous, distributed sensors and enforcement points that reside next to virtual containers & systems. It provides insights into application and protocol profiles within the data center and identifies network misuse related to personal and out-of-policy applications & monitors workloads to find suspicious behaviors.
- Feb 2021Series F$58M
- Sep 2020Series E—
- Feb 2019Series E$44M
- May 2016Series D$41M
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Cybersecurity coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Cybersecurity is moving in the United States
A read on the academic research around Cybersecurity — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 3,240 United States-affiliated papers.
- Purdue University West Lafayette85
- Northeastern University82
- Film Independent58
- Georgia Institute of Technology46
- DEVCOM Army Research Laboratory41
- Intrusion detection system94→301
- Anomaly detection30→107
- Key (lock)11→84
- Internet of Things2→61
- Artificial neural network2→57
- Intrusion detection system97→202
- Artificial neural network3→47
- Anomaly detection25→61
- Internet of Things1→33
- Support vector machine8→38
- Key (lock)6→39
- Intrusion detection system13→45
- Exploit9→30
- Malware6→26
- Adversarial system1→19
Where cybersecurity is researched across United States
Location clusters by institution affiliation — each city's volume, stance tone, and a quick read on its hot topic, what's advancing, the opening opportunity, and the main concern.
Common questions
Riya reads income statements for fun. She covers the real money in a sector — revenue, growth, who actually earns — and never met a vague claim she didn't want a number for.