Best Cybersecurity Companies in Palo Alto, United States
The 133 best Cybersecurity companies in Palo Alto, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: SSI.
Our analysis of 71 Cybersecurity companies
$12.5b in tracked funding; 100% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Cybersecurity companies in Palo Alto
| # | Company | Disclosed funding | Last round | Stage | Employees | Founder | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | SSI 🦄 Platform offering security solutions for AI models 80Funding top 17%AI top 20%Moat top 25%Innovation top 27% All 10 signals ▾Fundingtop 17% AItop 20% Moattop 25% Innovationtop 27% Talenttop 28% Patentstop 32% Growthtop 35% Markettop 43% Globaltop 50% Techbottom 29% Funding: Raised $1.0B across 2 rounds · 2 rounds over 2 yrs (1.0/yr) AI: Classified as an AI company rank vs industry peers · Fliar Intelligence Index 80/100 | $1.0B | 11 mo ago | Series A | — | Ilya Sutskever Co-Founder & CEO | 45 patents Patents concentrated in computing, sensing & instrumentation | — |
| 2 | Rubrik 🦄 Provider of cyber resilience platform for data and identity security | $553M | 58 mo ago | Public | 1,715 | Bipul Sinha Co-Founder & CEO | 599 patents Enterprise data backup, recovery, and migration across cloud and on-premise storage | 1 award |
| 3 | SandboxAQ 🦄 Developer of quantitative artificial intelligence models for various industry applications 69Funding top 17%Moat top 26%AI top 30%Market top 36% All 11 signals ▾Fundingtop 17% Moattop 26% AItop 30% Markettop 36% Producttop 41% Growthtop 42% Techtop 47% Talentbottom 49% Innovationbottom 47% Globalbottom 39% Newsbottom 24% Funding: Raised $500M across 3 rounds · 3 rounds over 4 yrs (0.8/yr) Moat: Editorial + unicorn rating 8/10 · Unicorn rank vs industry peers · Fliar Intelligence Index 69/100 | $500M | 14 mo ago | Series E | 181 | Jack Hidary Chief Executive Officer | — | 1 launch |
| 4 | Kiteworks 🦄 Provider of private data network for secure and compliant data exchange 60Funding top 13%Tech top 26%Moat top 26%Product top 37% All 12 signals ▾Fundingtop 13% Techtop 26% Moattop 26% Producttop 37% Talenttop 38% Markettop 40% Partnerstop 45% Growthbottom 46% Customersbottom 46% Globalbottom 45% Innovationbottom 41% Newsbottom 29% Funding: Raised $456M across 5 rounds · 5 rounds over 2 yrs (2.5/yr) Tech: 53 technologies across 6/8 capability areas · Cloud: Amazon S3, Amazon Ses rank vs industry peers · Fliar Intelligence Index 60/100 | $456M | 22 mo ago | Series D | 91 | Jonathan Yaron Chairman of the Board (Active) | — | — |
| 5 | Signifyd 🦄 Provider of fraud prevention and payment validation for online retailers | $394M | 62 mo ago | Series E | 399 399 → 496 (+24%) | Rajesh Ramanand Co-Founder & CEO | — | — |
| 6 | Salt Security 🦄 AI based API security software | $281M | 45 mo ago | Series D | 39 | Michael Nicosia Co-Founder and COO | — | — |
| 7 | Instart Cloud-based web application and API security solution | $170M | 103 mo ago | Series D | 122 | Manav Mital Co-Founder | 2 patents Accelerating application performance via partial file caching in network data transfer. | — |
| 8 | CyCognito Cloud based external attack surface management solutions | $153M | 54 mo ago | Series C | 178 | Dima Potekhin Co-Founder & CTO | — | 1 launch |
| 9 | Dazz Cyber risk and vulnerability assessment solutions | $110M | 22 mo ago | Acquired | 99 | Merav Bahat Co-Founder & CEO | 52 patents Automated security analysis, remediation, and debugging for cloud infrastructure and container software. | — |
| 10 | Safe Security Cybersecurity risk quantification and management solutions 50News top 21%Funding top 26%Talent top 28%Tech top 36% All 12 signals ▾Newstop 21% Fundingtop 26% Talenttop 28% Techtop 36% Growthtop 44% AItop 45% Customerstop 45% Producttop 46% Globalbottom 45% Moatbottom 43% Marketbottom 32% Fin. healthbottom 22% News: 4 BI events in 12 mo (of 21 tracked, 5 types) · +300% YoY Funding: Raised $100M across 13 rounds · 13 rounds over 12 yrs (1.1/yr) rank vs industry peers · Fliar Intelligence Index 50/100 | $100M | 10 mo ago | Series C | 86 | Vidit Baxi Co-Founder & CISO | — | — |
| 11 | Endor Labs Provider of application security platform for software development and risk management | $95M | 13 mo ago | Series B | 49 | Varun Badhwar Co-Founder & CEO | 24 patents Static code analysis, dependency impact assessment, and AI‑enhanced malware scanning for software security | 1 launch |
| 12 | Anvilogic Provider of an AI security platform for threat detection and triage | $85M | 26 mo ago | Series C | 33 | Karthik Kannan Co-Founder & CEO | 5 patents Patents concentrated in computing, sensing & instrumentation | 1 launch |
| 13 | Bionic Cloud security managementt platform | $83M | 51 mo ago | Acquired | 100 | Idan Ninyo Co-Founder & CEO | — | — |
| 14 | Xage Security Provider of a blockchain based security platform for IoT applications 55Talent top 22%Funding top 23%Moat top 28%Growth top 41% All 10 signals ▾Talenttop 22% Fundingtop 23% Moattop 28% Growthtop 41% Innovationtop 49% Patentstop 50% Techbottom 49% Marketbottom 40% Globalbottom 39% Newsbottom 28% Talent: Analyst team rating 5/5 · 3 named leaders on record Funding: Raised $80.0M across 6 rounds · 6 rounds over 8 yrs (0.8/yr) rank vs industry peers · Fliar Intelligence Index 55/100 | $80M | 6 mo ago | Series B | 44 | Susanto Irwan Co-founder | 37 patents Identity-centric zero-trust security using distributed ledgers for OT and data protection | — |
| 15 | Vera Cloud based data security using encryption and policy | $78M | 81 mo ago | Acquired | 41 | — | 21 patents File access control and security policy enforcement for data storage systems | — |
| 16 | Highfive Cloud based video conferencing solutions provider | $78M | 100 mo ago | Acqui-Hired | 61 | — | 6 patents Secure multiparty video conferencing platforms with trusted network and proximity session transfer | — |
| 17 | Stairwell Provider of AI-powered malware analysis for security operations centers. | $70M | 44 mo ago | Series B | 23 23 → 57 (+148%) | Mike Wiacek Founder & CEO | 12 patents Static malware detection and threat analysis for files on constrained devices | — |
| 18 | ArmorCode AI powered application security solutions 62Funding top 23%News top 32%Growth top 35%Tech top 37% All 11 signals ▾Fundingtop 23% Newstop 32% Growthtop 35% Techtop 37% Moattop 41% AItop 45% Patentstop 49% Marketbottom 49% Innovationbottom 48% Talentbottom 45% Globalbottom 31% Funding: Raised $65.0M across 5 rounds · 5 rounds over 5 yrs (1.0/yr) News: 3 BI events in 12 mo (of 10 tracked, 3 types) · Top themes: Funding, Capital raise rank vs industry peers · Fliar Intelligence Index 62/100 | $65M | 3 mo ago | Series B | 100 | Praneet Khare Head of Engineering | 2 patents Software security workflow automation and vulnerability knowledge management | 1 launch |
| 19 | Nok Nok Labs Passwordless authentication software | $64M | 53 mo ago | Acquired | 36 | Phillip Dunkelberger Chief Executive Officer | 166 patents Patents concentrated in electrical & electronics | — |
| 20 | Bevy Virtual and in-person community events software platform | $61M | 62 mo ago | Series C | 146 146 → 75 (-49%) | Alex Bendig Co-Founder and Advisor | — | — |
| 21 | Anjuna Security Provider of a confidential computing platform and AI data fusion cleanroom 55Funding top 29%Product top 30%Innovation top 34%Talent top 41% All 9 signals ▾Fundingtop 29% Producttop 30% Innovationtop 34% Talenttop 41% AItop 45% Techbottom 48% Globalbottom 37% Marketbottom 36% Newsbottom 17% Funding: Raised $55.1M across 3 rounds · 3 rounds over 8 yrs (0.4/yr) Product: 4 distinct product lines · Company stage: Series B rank vs industry peers · Fliar Intelligence Index 55/100 | $55M | 22 mo ago | Series B | 45 | Ayal Yogev Co-Founder & CEO | — | 1 launch |
| 22 | Alcatraz AI Provider of AI-powered facial authentication access control and security systems 67Growth top 20%News top 21%Funding top 25%AI top 28% All 12 signals ▾Growthtop 20% Newstop 21% Fundingtop 25% AItop 28% Moattop 31% Talenttop 31% Techtop 40% Partnerstop 45% Patentsbottom 47% Innovationbottom 45% Globalbottom 39% Marketbottom 33% Growth: Web rank 10,000,000 → 5,000,000 YoY · Fresh capital in last 24 mo News: 8 BI events in 12 mo (of 28 tracked, 2 types) · +167% YoY rank vs industry peers · Fliar Intelligence Index 67/100 | $51M | 2 mo ago | Series B | 21 | Vince Gaydarzhiev President & Founder | 6 patents Biometric facial recognition access control systems for secure building entry | 1 job opening |
| 23 | Andalusia Labs 🦄 Applied research lab building internet-native economic infrastructure | $48M | 30 mo ago | Series A | — | Raouf Har Co-Founder | — | — |
| 24 | Incognia Provider of device intelligence and location identity verification platform solutions | $46M | 29 mo ago | Series B | 164 | — | — | — |
| 25 | SignalWire Provider of programmable unified communications platform delivering voice, video, messaging, and AI | $42M | 53 mo ago | Series B | 42 42 → 84 (+100%) | Anthony Minessale Co-Founder & CEO | — | 2 launchs |
| 26 | PortAuthority Technologies Information leak prevention security solutions | $40M | 237 mo ago | Acquired | 45 | — | 38 patents Digital rights management and data leakage prevention for confidential and multimedia content | — |
| 27 | Permiso Provider of platform securing human, non-human, and AI identities | $39M | 28 mo ago | Series A | 30 | Jason Martin Co-Founder & Co-CEO | — | 1 launch · 1 award |
| 28 | Defakto Developer of a platform for non-human identity lifecycle management | $31M | 8 mo ago | Series B | — | Danny Oliveri Co-Founder & CEO | — | — |
| 29 | Confluera Provider of autonomous detection and response platform | $29M | 73 mo ago | Acquired | 25 | Niloy Mukherjee Co-Founder | 10 patents Enterprise network attack detection and lateral movement tracking using graph analytics. | — |
| 30 | Mimic Provider of cyber security technology to protect against ransomware attacks | $27M | 15 mo ago | Series A | — | Bob Blakley Co-Founder & CPO | 16 patents Haptic force‑feedback robotic manipulation training systems and related communication interfaces | 1 award |
| 31 | Nyansa Network analytics service based on full-stack user experience | $27M | 101 mo ago | Acquired | 38 | — | 29 patents Patents concentrated in computing, sensing & instrumentation | — |
| 32 | Simility SaaS based fraud detection and risk management platform | $25M | 101 mo ago | Acquired | 38 | — | — | — |
| 33 | Armadin Developer of a cybersecurity platform utilizing AI to simulate and detect potential vulnerabilities in a… 55Talent top 28%Funding top 31%AI top 45%Global bottom 48% All 6 signals ▾Talenttop 28% Fundingtop 31% AItop 45% Globalbottom 48% Techbottom 43% Marketbottom 40% Talent: 4 named leaders on record · 4 C-suite/founder profiles curated Funding: Raised $24.0M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) rank vs industry peers · Fliar Intelligence Index 55/100 | $24M | 3 mo ago | Series A | — | David Slater Co-Founder | — | 1 launch · 1 award |
| 34 | Valicert PKI & digital certificates for secure internet communications and identity validation | $23M | 295 mo ago | Acquired | 114 | — | — | — |
| 35 | phantom Phantom is a purpose-built, community-powered security automation, and orchestration platform. | $23M | 113 mo ago | Acquired | 104 | — | 73 patents Autonomous vehicle perception and safety: lane reconstruction, trajectory prediction, data augmentation, partitioning. | — |
| 36 | Sgnl AI Provider of a platform for continuous identity and access management | $22M | 17 mo ago | Acquired | 36 | Erik Gustavson Co-Founder / CPO | 3 patents Real-time continuous access evaluation protocols for cybersecurity authentication systems | — |
| 37 | TrustedID Identity theft detection, prevention & response solution | $20M | 224 mo ago | Acquired | — | Scott Mitic CEO / Co - Founder | — | — |
| 38 | BluBracket Application source code security solutions provider | $20M | 61 mo ago | Acquired | 14 | — | 11 patents Software code provenance, monitoring, and access control for secure development environments | — |
| 39 | Spin Systems Provider of SaaS security solutions protecting data from threats and risks 55Growth top 35%Tech top 36%Funding top 38%Moat top 39% All 7 signals ▾Growthtop 35% Techtop 36% Fundingtop 38% Moattop 39% Talentbottom 49% Marketbottom 45% Globalbottom 39% Growth: Fresh capital in last 24 mo Tech: 38 technologies across 6/8 capability areas · Cloud: Amazon Alb, Amazon Cloudfront rank vs industry peers · Fliar Intelligence Index 55/100 | $18M | 3 mo ago | Series A | 67 | Dmitry Dontov Co-Founder & CEO | — | — |
| 40 | Zimbra Enterprise collaboration software with open source APIs | $17M | 143 mo ago | Acquired | 88 | — | — | 1 launch · 1 partnership · 1 award |
| 41 | Pixee AI based code security that automates code hardening and vulnerability remediation for developer teams | $15M | 12 mo ago | Seed | — | Surag Patel Co-Founder & CEO | — | 1 job opening · 1 launch |
| 42 | Trust Lab Website security solutions provider | $15M | 36 mo ago | Series A | 49 | Tom Siegel Co-Founder and CEO | — | — |
| 43 | BotRx AI based website security solutions provider | $14M | 78 mo ago | Deadpooled | 5 | Ming Xu Co-Founder & CEO | — | — |
| 44 | Identity Mind Global Risk Management and AML for eCommerce & Virtual Currencies | $12M | 100 mo ago | Acquired | 41 | — | — | — |
| 45 | Astro AI based email assistant for enterprises | $11M | 111 mo ago | Acqui-Hired | 28 | Roland Schemers Co-Founder | — | — |
| 46 | Nexusflow Provider of generative AI company specializing in creating and updating AI agents for cybersecurity workflow… | $11M | 32 mo ago | Seed | — | Jiantao Jiao Co-Founder & CEO | — | — |
| 47 | CoCoPIE Provider of an AI-enabled video resolution upscaling application for multiple applications | $11M | 48 mo ago | Series A | 14 | Jay Liu Co-Founder & CEO | — | — |
| 48 | Mammoth Cyber Secure browsers solution | $8M | 54 mo ago | Seed | 11 | Yonghui Cheng Co-Founder & CTO | — | — |
| 49 | Exium Platform offering cybersecurity suite solutions | $6M | 30 mo ago | Acquired | 40 | — | — | — |
| 50 | Trusta Labs Platform offering AI-driven Sybil detection product | $3M | 41 mo ago | Seed | 9 | Simon Chen Co-Founder & CTO | — | — |
Top 12 Cybersecurity companies in Palo Alto
#1
Series B · Palo Alto, California · founded 2016 · 21 employees$51.1Mraised▾
Provider of AI-powered facial authentication access control and security systems. The company offers solutions for biometric turnstiles, multi-factor authentication, and perimeter security. It serves industries including aviation, critical infrastructure, data centers, and financial services. The company's technology provides features such as tailgating detection, video at the door, and supports SIP based intercom. The systems integrate with existing access control infrastructure.
- Apr 2026Series B$50M
- Sep 2022Series A$25M
- Apr 2021Series A$6.1M
- Apr 2020Series A$14M
#2
Series B · Palo Alto, California · founded 2020 · 100 employees$65Mraised▾
AI powered application security solutions. It provides orchestration of DevSecOps with auditing and reporting, and manages application security posture. The features of the product include network and customer data encryption using algorithms, data leak protection, password protection, key management, real-time issue identification, and more.
- Mar 2026Series B$16M
- Dec 2023Series B$40M
- Nov 2022Series A$14M
- Jan 2022Seed$8M
#3
SSI 🦄Series A · Palo Alto, California · founded 2024$1Braised▾
Platform offering security solutions for AI models. The platform develops AI systems safe for human use. It aligns AI capabilities with human values for AI systems to not pose risks to society. Its safety measures are integrated from the outset.
- Jul 2025Series A—
- Apr 2025Series A$2B
- Sep 2024Seed$1B
#4
Series B · Palo Alto, California · founded 2016 · 44 employees$80Mraised▾
Provider of a blockchain based security platform for IoT applications. The software is deployed in nodes, which are a combination of industrial endpoints and gateway computers, and collectively form a self healing fabric. The fabric acts as a tamper proof and confidential store of security information. The solution facilitates autonomous operation, credential rotation, access control, and zero touch deployment to deliver the protection required for the industry.
- Dec 2025Series B$14.8M
- Nov 2023Series B$20M
- May 2022Series B$6M
- Jan 2022Series B$30M
#5
Series A · Palo Alto, California · founded 2025$24Mraised▾
Developer of a cybersecurity platform utilizing AI to simulate and detect potential vulnerabilities in a companys defenses. It builds autonomous cybersecurity agents that detect and respond to threats without human intervention, countering emerging AI powered attacks by black hats. Mandia warns that offensive AI will enable rapid, adaptive attacks, dropping execution time from days to minutes.
- Mar 2026Series A—
- Oct 2025Seed$24M
#6
Series E · Palo Alto, California · founded 2022 · 181 employees$500Mraised▾
Developer of quantitative artificial intelligence models for various industry applications. The company provides large quantitative models rooted in science and engineered for impact. These models offer real-world solutions with clear outputs and reduced uncertainty. The company's models are deployed in areas such as drug discovery, new chemicals and materials, cybersecurity, navigation, and medical diagnostics.
- Apr 2025Series E$150M
- Dec 2024Series A$300M
- Feb 2023Series A$500M
- May 2022Seed—
#7
Series A · Palo Alto, California · founded 2017 · 67 employees$18Mraised▾
Provider of SaaS security solutions protecting data from threats and risks. The company offers a platform that provides security posture management, ransomware detection and response, and data loss prevention. It delivers tools for risk assessment, misconfiguration management, and insider threat protection. The platform integrates with applications to provide security for professionals.
- Mar 2026Series A—
- Aug 2022Series A$16.1M
- Dec 2018Seed$1.5M
- Sep 2017Seed$500K
#8
Series C · Palo Alto, California · founded 2012 · 86 employees$100Mraised▾
Cybersecurity risk quantification and management solutions. The platform aggregates real-time signals across attack surfaces. AI-based data breach prediction and prevention, enterprise risk management, and visualization dashboards are some of its features. It also offers API integrations and prioritizes security investments based on the potential risk to the business.
- Jul 2025Series C$70M
- Apr 2023Series B$50M
- Jul 2021Series B$33M
- Dec 2019Series A$5M
#9
Series B · Palo Alto, California · founded 2022$30.8Mraised▾
Developer of a platform for non-human identity lifecycle management. The platform focuses on eliminating static secrets and overprivileged accounts. It helps organizations reduce security breach risks and simplify compliance processes. The platform secures automated interactions across workloads, pipelines, multi-cloud environments, and AI agents. It provides end-to-end management of non-human identities.
- Oct 2025Series B$30.8M
#10
Series D · Palo Alto, California · founded 1999 · 91 employees$456Mraised▾
Provider of private data network for secure and compliant data exchange. The platform unifies, tracks, controls, and secures sensitive data exchanged between people, machines, and systems. It offers secure email, file sharing, managed file transfer, and data forms. The platform provides a secure bridge between systems and enterprise data, encrypting information while tracking access. It builds application programming interface integrations to access, transfer, and store sensitive data.
- Aug 2024Series D$456M
- Apr 2020Series D$120M
- Mar 2020Series C$60M
- Mar 2012Series B$1.4M
#11
Series B · Palo Alto, California · founded 2021 · 49 employees$95Mraised▾
Provider of application security platform for software development and risk management. The platform helps teams identify and address critical risks in code. It offers tools for code scanning, AI model governance, and software composition analysis. The platform builds a unified graph across code, dependencies, and container images.
- Apr 2025Series B$93M
- Jul 2024Series A—
- Aug 2023Series A$70M
- Nov 2022Seed—
#12
Acquired · Palo Alto, California · founded 2021 · 99 employees$110Mraised▾
Cyber risk and vulnerability assessment solutions. It provides visibility into vulnerabilities and risks, automates manual processes, and verifies backlogs. Its features include risk identification and prevention, reduction of security alerts by fixing security issues, and more.
- Jul 2024Series A$50M
- Dec 2021Series A$50M
- 2021Seed$10M
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.
Who's filing cybersecurity patents in the United States
United States cybersecurity patent filing is accelerating — 237,304 filings from 8,000 assignees (2016–2025), led by IBM, Microsoft, Intel; annual filings 18790→23467.
- IBM27110
- Microsoft22601
- Intel12666
- Google8565
- Qualcomm7612
- Apple6755
- Hewlett Packard Development5761
- Capital One Services4646