Best Cybersecurity Companies in Washington, United States
The 172 best Cybersecurity companies in Washington, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Tanium.
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 Washington
| # | Company | Disclosed funding | Last round | Stage | Employees | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Tanium 🦄 Enterprise endpoint security and management solutions | $1.1B | 64 mo ago | Series F | 1,527 1,527 → 2,365 (+55%) | 2007 | WordPressSentryMySQL+28 | 83 patents Enterprise network and endpoint management, monitoring, and security for distributed systems | 2 launchs · 1 award |
| 2 | Auth0 🦄 Provider of identity management services for workforce and customer identities | $333M | 71 mo ago | Acquired | 626 626 → 362 (-42%) | 2013 | ContentfulSentryApple iCloud Mail+45 | 41 patents Cloud-based identity and access management with multi-tenant authentication and database provisioning | 1 launch |
| 3 | Chainguard 🦄 Provider of hardened container images, language libraries, and virtual machine images 74Funding top 15%Tech top 25%Moat top 26%News top 30% All 10 signals ▾Fundingtop 15% Techtop 25% Moattop 26% Newstop 30% Talenttop 32% Producttop 33% Innovationtop 40% Growthtop 40% Markettop 44% Globalbottom 39% Funding: Raised $256M across 6 rounds · 6 rounds over 5 yrs (1.2/yr) Tech: 63 technologies across 5/8 capability areas · Cloud: Amazon Cloudfront, Amazon Web Services rank vs industry peers · Fliar Intelligence Index 74/100 | $256M | 7 mo ago | Series D | 77 | 2021 | ContentfulSentryZendesk+30 | — | 1 launch · 1 award |
| 4 | XBOW AI-powered autonomous penetration testing platform 69Funding top 12%Growth top 35%Moat top 40%Tech top 42% All 8 signals ▾Fundingtop 12% Growthtop 35% Moattop 40% Techtop 42% AItop 45% Talenttop 45% Globalbottom 48% Marketbottom 44% Funding: Raised $251M across 5 rounds · 5 rounds over 2 yrs (2.5/yr) Growth: Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 69/100 | $251M | 1 mo ago | Series C | 40 | 2024 | WebflowApple iCloud MailSalesforce+16 | — | — |
| 5 | ExtraHop Provider of IT operations analytics and network incident response solutions | $162M | 29 mo ago | Acquired | 688 688 → 765 (+11%) | 2007 | TurbopackSentryApple iCloud Mail+28 | — | — |
| 6 | Protect AI Provider of AI-based ML security solutions | $129M | 22 mo ago | Acquired | 26 | 2022 | HubSpot CMS HubApple iCloud MailGoogle Workspace+17 | 5 patents Radon and environmental contaminant detection sensors for air quality monitoring | — |
| 7 | Aventail Corporation SSL VPN remote access solution | $113M | 299 mo ago | Acqui-Hired | 13 | 1996 | — | 50 patents Network security and traffic management for remote access and load‑balanced routing | — |
| 8 | SecureW2 Certificate-based security platform delivering adaptive access control and passwordless authentication | $80M | 32 mo ago | Series C | 54 54 → 131 (+143%) | 2014 | WordPressMySQLPHP+35 | — | — |
| 9 | Versive Provider of AI based cyber analytics platform for threat prioritization | $57M | 105 mo ago | Acqui-Hired | 135 | 2012 | — | 2 patents AI-driven behavioral risk assessment tools for violence, extremism, and bias propensity | — |
| 10 | Tempered Network security solutions provider | $56M | 68 mo ago | Acquired | 31 | 2012 | Apple iCloud MailMicrosoft 365Salesforce+8 | — | — |
| 11 | Panopto Cloud-based video conferencing management software provider | $47M | 117 mo ago | Series B | 138 138 → 194 (+41%) | 2007 | WordPress Site EditorWordPressSentry+27 | 19 patents Advanced video encoding, composite generation, and segmented streaming management solutions. | 3 job openings · 1 award |
| 12 | Unify Square Global technology solutions provider specializing in AI, cloud, cybersecurity, and digital workplace | $44M | 95 mo ago | Acquired | 60 | 2008 | — | 29 patents Analytics, monitoring, and quality management for unified communications systems | — |
| 13 | Finsphere Mobile device data analytics based authentication of financial transacttion | $31M | 134 mo ago | Deadpooled | 10 | 2007 | — | 64 patents Mobile location‑based authentication and fraud detection for financial transactions | — |
| 14 | Polyverse Corporation Security solution for operating system | $30M | 32 mo ago | Series B | 11 | 2012 | — | 13 patents Software code obfuscation, binary scrambling, and runtime security for protected execution | — |
| 15 | RiskLens Provider of cloud-based risk assessment and management software | $28M | 86 mo ago | Acquired | 59 | 2011 | — | 24 patents Quantitative cyber risk assessment and control effectiveness analytics for enterprise IT systems | — |
| 16 | Centri Data Compression and encryption based data protection solution | $26M | 141 mo ago | Acqui-Hired | 15 | 2009 | — | 13 patents Network security, remote monitoring, and data compression for telecom and optical communication systems. | — |
| 17 | Mason America Enterprise smart device solutions for healthcare, logistics, retail, and more | $25M | 82 mo ago | Series A | 107 | 2015 | Webflow EcommerceWebflowApple iCloud Mail+16 | — | — |
| 18 | Lockdown Networks Vulnerability assessment & NAC solution for enterprise | $23M | 223 mo ago | Acqui-Hired | 25 | 2001 | — | — | — |
| 19 | Dropzone AI Provider of an AI-powered platform for security alert investigation and triage | $20M | 11 mo ago | Series B | — | 2023 | WebflowAmazon Web ServicesGSAP+19 | 10 patents Automated cybersecurity threat detection, analysis, and security environment surveying systems. | 1 launch · 1 award |
| 20 | Cozy Finance Decentralized P2P security solutions for smart contracts | $17M | 60 mo ago | Series A | 6 | 2020 | — | — | — |
| 21 | Powell Software Cloud-based unified communication management software provider | $16M | 76 mo ago | Acquired | 7 | 2015 | WordPressApple iCloud MailMicrosoft 365+34 | — | 2 launchs |
| 22 | Cloudentity Cloud governance automation solutions provider | $15M | 69 mo ago | Acquired | 40 | 2014 | Node.jsAnimate.cssReact+9 | 9 patents Cloud-based identity and access management for data streams and microservice architectures | — |
| 23 | Topia Technology Enterprise data security solutions provider | $15M | 103 mo ago | Series B | 6 | 1999 | — | 51 patents Secure distributed data storage, management, and analytics with optimized databases and encryption | — |
| 24 | Vouched Provider of identity verification solutions for multiple industries and AI agents | $14M | 9 mo ago | Series A | 38 | 2018 | HubSpot CMS HubBugHerdZendesk+29 | — | 1 partnership |
| 25 | Dragonchain Provider of blockchain for security of business data | $13M | 99 mo ago | Series A | 23 | 2017 | YouTubestyled-componentsEmotion+13 | 13 patents Blockchain interoperability platforms and token‑based security for enterprise distributed ledger applications. | — |
| 26 | Icebrg Stealth mode startup to provide next generation defense | $12M | 123 mo ago | Acqui-Hired | 50 | 2014 | — | 6 patents Anonymized network traffic collection for threat detection and monitoring. | — |
| 27 | NetMotion Mobile security and enterprise VPN solutions provider | $11M | 116 mo ago | Acquired | 140 | 2001 | — | — | — |
| 28 | Shujinko Security solution for cloud | $10M | 80 mo ago | Series A | 6 | 2018 | — | 2 patents Automated cloud compliance provisioning and digital forensic evidence collection systems | — |
| 29 | MessageGate Enterprise messaging security & compliance | $10M | 200 mo ago | Series B | — | 2001 | Facebook LoginBootstrapGoogle Cloud+16 | 3 patents Email/message management systems focusing on header analysis and metadata processing. | — |
| 30 | Echomark Cloud based solutions for data privacy and data leak prevention | $10M | 32 mo ago | Seed | 12 | 2022 | WebflowApple iCloud MailMicrosoft 365+19 | 8 patents Digital watermarking and source attribution techniques for documents and web content | — |
| 31 | DarkLight AI-based software for active cyber defense and trusted information sharing | $10M | 62 mo ago | Series A | 20 | 2014 | — | — | — |
| 32 | Shield Compliance Provider of risk and compliance management solutions | $10M | 79 mo ago | Series A | 23 23 → 36 (+57%) | 2015 | Cart FunctionalityWix eCommerceWix+24 | — | 1 partnership |
| 33 | Spot Cloud-based unified business communication software | $7M | 45 mo ago | Series A | 9 | 2021 | Node.jsTypeScriptGraphQL+19 | 13 patents Selective heating control in electromagnetic ovens and AI-driven venue monitoring systems | — |
| 34 | Rubica Privacy protection solution | $7M | 109 mo ago | Deadpooled | 24 | 2016 | — | — | — |
| 35 | Loti AI based solutions for account takeover prevention | $7M | 23 mo ago | Seed | — | 2022 | — | — | 1 launch |
| 36 | Voodle Cloud-based enterprise video sharing software provider | $6M | 66 mo ago | Series A | 1 | 2002 | — | 2 patents Real-time multimedia search and dynamic assembly of audio-visual results | — |
| 37 | Pendulum AI-powered threat detection solutions | $6M | 53 mo ago | Seed | — | 2021 | WebflowThree.jsVimeo+12 | — | — |
| 38 | Trusted Key Digital identity solution to verify and authenticate identities using blockchain technology | $6M | 86 mo ago | Acqui-Hired | 15 | 2016 | — | — | — |
| 39 | Privacy Dynamics Cloud-based data governance management software provider | $6M | 54 mo ago | Seed | 12 | 2018 | — | — | — |
| 40 | Roby Cloud-based platform for employee engagement | $5M | 44 mo ago | Series A | 19 | 2018 | — | — | — |
| 41 | Stabilitas Cloud based cyber and physical security and risk intelligence solution | $5M | 92 mo ago | Acquired | 15 | 2013 | — | — | — |
| 42 | Edera AI-based platform offering security and survillance technology | $5M | 16 mo ago | Series A | — | 2024 | WebflowApple iCloud MailGoogle Workspace+15 | — | — |
| 43 | Tensor9 Providing data security solutions for software and AI vendors | $4M | 14 mo ago | Seed | — | 2023 | — | — | — |
| 44 | BrightCanary Offering parental control solutions | $4M | 44 mo ago | Series A | 5 | 2022 | WordPressMySQLPHP+19 | — | 1 award |
| 45 | Strac Provider of tools for data security | $4M | 46 mo ago | Seed | 7 | 2021 | Webflow EcommerceCart FunctionalityWebflow+23 | — | — |
| 46 | Forma Vision Cloud-based software for enterprise communication | $4M | 43 mo ago | Series A | 12 | 2016 | — | — | — |
| 47 | YData AI based platform for data anonymization | $3M | 56 mo ago | Seed | 39 | 2019 | HubSpot CMS HubAmazon Web Servicescore-js+14 | 2 patents Scalable synthetic data generation for machine‑learning model training | — |
| 48 | StepSecurity Platform offering software security solution | $3M | 25 mo ago | Seed | 7 | 2021 | WebflowAmazon Web ServicesGSAP+26 | — | — |
| 49 | Payscore Provider of income verification and authentication solutions for lenders | $1M | 24 mo ago | Seed | 11 | 2017 | WebflowSentryApple iCloud Mail+21 | — | — |
| 50 | Ambit VPN solutions provider | $1M | 36 mo ago | Late Stage | 9 | 2019 | WebflowYouTubeSwiper+12 | 23 patents Patents concentrated in computing, sensing & instrumentation | — |
Top 12 Cybersecurity companies in Washington
#1
Series C · Seattle, Washington · founded 2024 · 40 employees$251.1Mraised▾
AI-powered autonomous penetration testing platform. The platform identifies and exploits vulnerabilities in web applications. It uses AI to execute commands, analyze outputs, and refine its approach without human intervention. It allows users to discover and exploit vulnerabilities, representing a significant advancement in protecting software and infrastructure from cyber threats.
- May 2026Series C$35M
- Mar 2026Series C$120.9M
- Jun 2025Series B$75M
- Jul 2024Seed$20M
#2
Series D · Kirkland, Washington · founded 2021 · 77 employees$256Mraised▾
Provider of hardened container images, language libraries, and virtual machine images. It focuses on delivering secure open source software through continuously rebuilding from source in secure environments with end-to-end integrity. The company offers minimal, customizable, zero-CVE container images with a SLA for CVE remediation, malware-resistant language libraries to protect against supply chain attacks and minimal, zero-CVE VM images purpose-built to serve as container hosts and optimized for cloud environments. It assembles, hardens, and distributes secure artifacts daily.
- Oct 2025Conventional Debt$280M
- Apr 2025Series D$356M
- Jul 2024Series C$140M
- Nov 2023Series B$61M
#3
Series A · Seattle, Washington · founded 2018 · 38 employees$13.9Mraised▾
Provider of identity verification solutions for multiple industries and AI agents. The company delivers identity verification, fraud detection, data verification, and compliance. It offers tools for healthcare, financial services, automotive, real estate, and hospitality sectors. The company provides application programming interfaces, software development kits, and JavaScript plug-ins.
- Sep 2025Series A$17M
- Mar 2023Series A$6.3M
- Aug 2021Angel$4.5M
- Dec 2020Seed$3M
#4
Series B · Seattle, Washington · founded 2023$20.4Mraised▾
Provider of an AI-powered platform for security alert investigation and triage. The platform offers automated analysis of security alerts, aiming to reduce investigation time and improve efficiency. It integrates with existing security tools to provide insights and streamline security operations. The platform supports various alert types, including phishing, endpoint, network, and cloud security alerts.
- Jul 2025Series B$37M
- Apr 2024Series A$16.9M
- Aug 2023Seed$3.5M
#5
Acquired · Seattle, Washington · founded 2022 · 26 employees$129.3Mraised▾
Provider of AI-based ML security solutions. It offers enterprises to safeguard the machine learning models with a security platform. It offers turnkey AI and ML security that does not add unnecessary complexity to models and does not require access to raw data and algorithms.
- Jul 2024Series B$80.8M
- Jul 2023Series A$35M
- Dec 2022Seed$13.5M
#6
Acquired · Seattle, Washington · founded 2007 · 688 employees$161.6Mraised▾
Provider of IT operations analytics and network incident response solutions. Provides real time operational intelligence for complex, active production environments. The system equips IT groups with real time visibility on the application delivery chain comprising the network, web, VDI, API and middleware, database, and storage tiers down to individual sessions, flows, and transactions.
- Jan 2024Series D$100M
- May 2014Series C$41M
- Apr 2011Series B$14M
- Apr 2009Series A$5.1M
#7
Tanium 🦄Series F · Kirkland, Washington · founded 2007 · 1527 employees$1.1Braised▾
Enterprise endpoint security and management solutions. The platform follows architecture for sending queries to endpoints in natural language, taking actions depending on response. It is a cryptography-based data and communication encryption, vulnerability management, threat detection, and response, risk and compliance management, investigation, and remediation, are some of the features of the platform. It provides solutions to industries such as government, education, healthcare, financial services, and retail.
- Jan 2021Series F$150M
- Jun 2020Series F$150.5M
- Oct 2018Series F$201M
- May 2018Series E$175M
#8
Seed · Seattle, Washington · founded 2023$4Mraised▾
Providing data security solutions for software and AI vendors. Its primary focus is to enable vendors to run the software inside the customers cloud environments, ensuring that sensitive data never leaves the customers infrastructure and the vendors.
- Mar 2025Seed$4M
#9
Series A · Seattle, Washington · founded 2024$5Mraised▾
AI-based platform offering security and survillance technology. It offers security solution, ensuring container escapes. It offers product serves as an isolation engine, utilizing a type-1 hypervisor to secure compute workloads while maintaining performance.
- Jan 2025Series A$15M
- Aug 2024Series A$5M
#10
Series C · Seattle, Washington · founded 2014 · 54 employees$80Mraised▾
Certificate-based security platform delivering adaptive access control and passwordless authentication. It provides a cloud-native trust layer for condition-aware authentication and provisioning. The platform offers dynamic PKI, automated certificate management, and cloud RADIUS for scalable network authentication across multiple operating systems. Solutions cater to various markets, including enterprise, education, and government, modernizing network authentication with fast, reliable access for Wi-Fi and wired networks. It enables certificate-based ZTNA/VPN for remote access, guest Wi-Fi provisioning, device trust for SSO, and passwordless desktop logon. The platform extends to non-human identities, issuing scoped certificates for scripts and containers. It integrates with existing security infrastructure, offering seamless interoperability and deployment flexibility, whether cloud-bound or cloud-native. The platform supports agentless certificate onboarding, policy-backed validation, and dynamic trust decisions, ensuring continuous trust enforcement and measurable results in security, performance, and operational efficiency. It is a SaaS platform.
- Oct 2023Series C$80M
#11
Seed · Seattle, Washington · founded 2022$6.7Mraised▾
AI based solutions for account takeover prevention
#12
Auth0 🦄Acquired · Bellevue, Washington · founded 2013 · 626 employees$332.7Mraised▾
Provider of identity management services for workforce and customer identities. It offers platforms securing identities, including AI agents, employees, and partners. The company provides solutions for single sign-on, multi-factor authentication, and access management. It delivers tools for developers to build secure access for customers and workforce.
- Jul 2020Series F$120.5M
- May 2019Series E$103M
- May 2018Series D$55M
- Jun 2017Series C$30M
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 in Washington is moving
A read on the academic research around Cybersecurity in Washington — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 41 papers.
University of Washington, Washington State University, and George Washington University optimistically advance network security and malware detection research, with breakthroughs dominating and minimal concern.
- University of Washington13
- Washington State University10
- George Washington University9
- Washington University in St. Louis3
- Western Washington University2
- Network security1→3
- Intrusion detection system5
- Computer security3
- Nash equilibrium2
- Vulnerability (computing)2
- Network security2
- Computer security2
- Virtualization1
- Security policy1
- Network security1
- Network virtualization1
Common questions
Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.