Best Cybersecurity Companies in Denver, United States
The 43 best Cybersecurity companies in Denver, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Ping Identity.
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 Denver
| # | Company | Disclosed funding | Last round | Stage | Employees | Founder | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Ping Identity Provider of identity security solutions for digital enterprises and organizations | $136M | 141 mo ago | Acquired | 821 | Andre Durand Founder & CEO | Adobe Experience ManagerSentryAtlassian Statuspage+33 | 134 patents Patents concentrated in electrical & electronics | — |
| 2 | Red Canary Provider of managed detection and response across diverse IT environments | $130M | 63 mo ago | Acquired | 395 395 → 350 (-11%) | — | WordPressSentryZendesk+47 | — | — |
| 3 | CyberGRX Cloud-based solutions for risk assessment and management | $100M | 80 mo ago | Acquired | 141 | — | — | — | — |
| 4 | ProtectWise Deep packet inspection & automated retrospection based threat detection | $100M | 95 mo ago | Acqui-Hired | 72 | — | — | 7 patents Capturing, filtering, and replaying network traffic for cyber threat detection and analysis. | — |
| 5 | FusionAuth Solution for implementation of authentication, authorization, and user management | $65M | 33 mo ago | Series C | 28 | — | WebflowApple iCloud MailGoogle Workspace+26 | — | — |
| 6 | Threat X API and app threat detection and blocking | $54M | 48 mo ago | Series B | 14 | Andrew Useckas Co-Founder | WordPressMySQLMariaDB+39 | 3 patents Network security deep packet inspection and zero‑day threat detection | — |
| 7 | StackHawk Cloud based security testing software | $35M | 15 mo ago | Series B | 50 | Scott Gerlach Co-Founder & CSO | JekyllApple iCloud MailGoogle Workspace+20 | — | — |
| 8 | Casa Platform offering self-custody solutions for cryptocurrency | $25M | 55 mo ago | Series A | 12 | Nick Neuman CEO | Webflow EcommerceWebflowLazySizes+18 | — | — |
| 9 | Keyavi Data Data security and privacy solutions | $22M | 31 mo ago | Series A | 42 | Tom Chilcott Chief Executive Officer | — | 26 patents Secure searchable encryption and DRM for protected file storage and access | — |
| 10 | Vericept compliance and data loss software | $20M | 217 mo ago | Acqui-Hired | 38 | Tery Larrew CEO | — | 12 patents Patents concentrated in computing, sensing & instrumentation | — |
| 11 | DarkOwl Darknet monitoring-based threat intelligence solution | $19M | 82 mo ago | Series A | 62 62 → 31 (-50%) | — | WordPressApple iCloud MailMySQL+30 | — | 1 award |
| 12 | RIIG Tech Provider of AI-powered cybersecurity and risk intelligence solutions 62AI top 35%Talent top 38%Funding top 45%Global bottom 33% All 4 signals ▾AItop 35% Talenttop 38% Fundingtop 45% Globalbottom 33% AI: Product described with: ai-powered, machine learning Talent: 2 named leaders on record · 2 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 62/100 | $16M | 4 mo ago | Series A | — | Denver III Founder & CEO | — | — | — |
| 13 | Mersive Wireless visual collaboration software | $13M | 142 mo ago | Acquired | 134 | — | Cart FunctionalityWooCommerceWordPress+46 | 39 patents Collaborative multi-user streaming, discovery, and color calibration for shared display systems. | 1 launch · 1 award |
| 14 | FishNet Security Cybersecurity solutions provider securing business outcomes through advisory, deployment, and managed services | $12M | 221 mo ago | Acqui-Hired | 2,447 | — | — | — | — |
| 15 | Blinker Provider of an app-based connecting people to buy and sell cars | $10M | 84 mo ago | Series A | 24 | — | Framer SitesReactAmazon Web Services+8 | 47 patents Computer vision systems for extracting and processing vehicle/license‑plate data. | — |
| 16 | SafetyWeb Cloud based child identity and safety solutions | $9M | 194 mo ago | Acqui-Hired | 5 | — | — | — | — |
| 17 | ID Watchdog Identity theft detection & mitigation | $8M | 162 mo ago | Acquired | 694 | — | LiferayJavaEnvoy+13 | — | — |
| 18 | YeshID Provider of a platform offering identity and access management solutions | $5M | 49 mo ago | Seed | 10 | Alex Vaystikh Co-Founder | WebflowAmazon Web ServicesKnockout.js+23 | — | 3 launchs |
| 19 | Liminal Horizontal security for Generative AI | $5M | 9 mo ago | Series A | — | Steven Walchek Co-Founder & CEO | WebflowApple iCloud MailGoogle Workspace+24 | — | — |
| 20 | FYEO AI based identity management and threat intelligence platform | $775K | 63 mo ago | Seed | 16 | Tammy Kahn Co-Founder & Co-CEO | — | — | — |
Top 12 Cybersecurity companies in Denver
#1
Series A · Denver, Colorado · founded 2021$16.3Mraised▾
Provider of AI-powered cybersecurity and risk intelligence solutions. It offers advanced threat detection, zero trust architecture implementation, and financial and regulatory intelligence platforms. These solutions leverage machine learning for data analysis and incident response, improving cybersecurity readiness and risk management for various sectors. Proprietary tools integrate data streams tailored to client needs, enhancing due diligence and compliance efforts. The company also provides cybersecurity services including red teaming, vulnerability assessments, and workforce training.
- Apr 2026Series A$6M
- Oct 2025Series A$6.6M
- May 2025Seed—
- Sep 2024Seed$3.7M
#2
Series B · Denver, Colorado · founded 2019 · 50 employees$35.3Mraised▾
Cloud based security testing software. It allows users to test the APIs, applications, and services for security vulnerabilities. It runs the security testing in the CI or CD pipelines to identify vulnerabilities in the pipeline. The features include graphql testing, grpc testing, and more.
- May 2025Series B$12M
- Sep 2022Series B$29.6K
- May 2022Series B$20.7M
- Oct 2020Series A$10M
#3
Series A · Denver, Colorado · founded 2017$5Mraised▾
Horizontal security for Generative AI. The platform offers horizontal security solutions for enterprises to leverage generative AI in multiple applications. Its platform enables organizations to maintain control over data privacy and security while leveraging AI technology.
- Nov 2025Series A$4M
- Jun 2024Series A$5M
- May 2024Series A$8M
- Aug 2023Seed—
#4
Series C · Denver, Colorado · founded 2018 · 28 employees$65Mraised▾
Solution for implementation of authentication, authorization, and user management. It is a web-scale identity platform which provides the facility to implement authentication, authorization, and user management solution. The features include support for different authentication types such as single sign-on sso, federated logins, one-time use tokens code-based MFA, push SMS-based MFA, and multi-factor authentication.
- Nov 2023Series C$65M
#5
Series A · Denver, Colorado · founded 2020 · 42 employees$22Mraised▾
Data security and privacy solutions. It prevents hackers and unauthorized users from being able to access the content. It offers an administrative web portal for data owners to monitor and manage data. It also offers real-time control, real-time forensics, location enforcement, immediate policy updates, automated data protection, and secure file sharing.
- Jan 2024Series A$731K
- Aug 2022Series A$13M
- 2021Seed$8.3M
#6
Acquired · Denver, Colorado · founded 2014 · 395 employees$130.1Mraised▾
Provider of managed detection and response across diverse IT environments. The company offers threat intelligence, automation, and security data lake services. It focuses on detecting threats, enabling rapid response, and integrating with existing security tools. The company provides solutions by domain, technology, and industry.
- May 2021Series C$4.9M
- Feb 2021Series C$81.1M
- Apr 2019Series B$34M
- Apr 2018Series A$6.3M
#7
Series B · Denver, Colorado · founded 2014 · 14 employees$54.2Mraised▾
API and app threat detection and blocking. It provides cloud based cybersecurity products and services. The platform delivers deployable, threat detection and neutralization in a cloud-based architecture. It offers rule-based solutions by automating the correlation and analysis required to identify real and active threats in any environment.
- Aug 2022Series B$30M
- Jun 2021Series B$10M
- May 2020Series A$3.4M
- Jul 2019Series A$8.5M
#8
Acquired · Denver, Colorado · founded 2002 · 821 employees$136.3Mraised▾
Provider of identity security solutions for digital enterprises and organizations. The platform offers flexibility, resilience, and security to meet identity challenges. It helps businesses plug identity into their existing ecosystem. The platform offers capabilities such as orchestration, decentralized identity, and fraud prevention. It also provides solutions for government, financial services, healthcare, retail, and media sectors.
- Nov 2014Series E$182.4K
- Sep 2014Series E$35M
- Nov 2013Series E$576.7K
- Aug 2013Series E$336K
#9
Acqui-Hired · Denver, Colorado · founded 2013 · 72 employees$99.5Mraised▾
ProtectWise is a security which provides threat detection in enterprise network. Solution scans & captures network traffic through sensors deployed at DMZ, corporate cloud & network core and sends to the cloud after compressing and encrypting to perform detection of enterprise threats and incident response. The ProtectWise's Wisdom Engine provide continuous, cross-customer correlation of threat intelligence, deep packet inspection and automated retrospection using cloud based architecture. Platform Cloud Network DVR, records everything on the network and deliver unlimited retention window with full-fidelity forensic capacity. Other features include integration with existing security monitoring & workflow tools, centralized processing and visualization dashboards, searching and querying capabilities. Listed in Network World’s list of 10 Security Start-Ups to Watch.
- Sep 2018Series B$5M
- Jul 2018Series B$10M
- Jan 2017Series B$50.4M
- Mar 2015Series A$17M
#10
Acquired · Denver, Colorado · founded 2015 · 141 employees$100Mraised▾
CyberGRX provides cloud-based solutions for risk assessment and management. The product offered by the company is a cloud-based risk management platform for financial sectors. It identifies, assesses, mitigates, and monitors enterprise’s risk exposure across its partner ecosystem. It employs automation and analytics to mitigate threats presented by the interdependency to vendors, partners, and customers. The clients of the company include VERACODE, PINNACOL, RSA, etc.
- Dec 2019Series D$40M
- Jun 2019Series C—
- Nov 2018Series C$30M
- Apr 2017Series B$20M
#11
Series A · Denver, Colorado · founded 2016 · 12 employees$25Mraised▾
Platform offering self-custody solutions for cryptocurrency. It provides more security than single hardware wallets, mobile phone wallets, browser extensions, and custodians. Users can download the app on Android & iOS devices.
- Dec 2021Series A$21M
- 2021Seed—
- Jan 2021Seed$7.9M
- Mar 2018Seed$2.1M
#12
Series A · Denver, Colorado · founded 2009 · 62 employees$18.9Mraised▾
Darknet monitoring-based threat intelligence solution. It provides security intelligence to identify data breaches and upcoming threats. It monitors and indexes millions of pages continuously from the dark web, including the TOR network, IRC channels, and hacker forums. It allows customers to search the collection to track leaked documents, stolen credentials, malware and botnets, threat actors, malicious chatter relevant to them.
- Oct 2019Series A$8M
- Nov 2018Series A$2.2M
- Jul 2018Series A$1.1M
- Jun 2018Series A$2.2M
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