Best Cybersecurity Companies in Maryland, United States
The 153 best Cybersecurity companies in Maryland, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Dragos.
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 Maryland
| # | Company | Disclosed funding | Last round | Employees | Founded | Founder | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Dragos 🦄 Provider of cybersecurity solutions and intelligence for industrial control systems | $437M | 33 mo ago | 355 355 → 664 (+87%) | 2016 | Justin Cavinee Co-Founder | WordPressApple iCloud MailMySQL+36 | 4 patents Securing operational technology networks through threat intelligence and data pipeline management. | 7 job openings |
| 2 | Tenable Provider of exposure management solutions for cloud, vulnerability, and identity | $310M | 127 mo ago | 953 953 → 2,359 (+148%) | 2002 | Jack Huffard Board Member & co-founder | DrupalSentryApple iCloud Mail+37 | 72 patents Machine‑learning‑driven cyber risk scoring and vulnerability assessment for digital assets and cloud resources | — |
| 3 | Huntress 🦄 Provider of managed security platform solutions for threat detection and response | $268M | 24 mo ago | 262 | 2015 | — | Builder.ioWistiaTailwind CSS+29 | 8 patents Endpoint security monitoring and threat detection for networked devices | — |
| 4 | Blackpoint Threat detection & mitigation solution for enterprise network | $214M | 36 mo ago | 143 | 2007 | Jon Murchison Founder & CEO | WordPressUnbounceMySQL+25 | 5 patents Network security monitoring and location-based analytics for mobile and wireless systems | — |
| 5 | ZeroFOX Provider of digital risk protection, threat intelligence, and attack surface management | $154M | 76 mo ago | 250 | 2013 | Christopher Cullison Co-Founder | TurbopackSentryZendesk+31 | 63 patents Patents concentrated in electrical & electronics | — |
| 6 | SafeNet Cybersecurity solutions provider protecting applications, data, identities, and software | $139M | 194 mo ago | 488 | 1983 | — | — | 145 patents Secure digital document handling, multi-user authentication, and data container protection. | — |
| 7 | IronNet Provider of a platform offering a suite of cybersecurity solutions | $132M | 41 mo ago | 64 64 → 53 (-17%) | 2014 | James Heath Co-Founder | HubSpot CMS HubLazySizesFlickity+19 | — | — |
| 8 | Fugue Provider of cloud security and management platform | $84M | 61 mo ago | 129 | 2013 | — | — | 42 patents Domain-specific language tools for cloud infrastructure orchestration and secure computing environments | — |
| 9 | Aembit Provider of automated, secretless workload identity and access management | $60M | 23 mo ago | 11 | 2021 | David Goldschlag CEO & Co-founder | WordPressApple iCloud MailGoogle Workspace+33 | — | — |
| 10 | FidelisCybersecurity Network threat detection appliance | $53M | 45 mo ago | 183 183 → 200 (+9%) | 2002 | — | WordPressApple iCloud MailMicrosoft 365+35 | — | — |
| 11 | Sepio Provides hardware risk management and access control solutions | $48M | 22 mo ago | 76 | 2016 | Bentsi Benatar Co-Founder & CMO | WordPressApple iCloud MailMicrosoft 365+25 | — | — |
| 12 | Cybrary Cybersecurity training platform empowering professionals and teams to reduce business risk 55Funding top 21%Tech top 27%Moat top 39%Product top 40% All 9 signals ▾Fundingtop 21% Techtop 27% Moattop 39% Producttop 40% Markettop 49% Growthbottom 48% Globalbottom 37% Customersbottom 36% Newsbottom 27% Funding: Raised $47.7M across 8 rounds · 8 rounds over 11 yrs (0.7/yr) Tech: 63 technologies across 6/8 capability areas · Cloud: Amazon Alb, Amazon Cloudfront rank vs industry peers · Fliar Intelligence Index 55/100 | $48M | 10 mo ago | 66 | 2015 | — | WebflowMarkerZendesk+36 | — | — |
| 13 | Netography Cloud based network security platform | $48M | 55 mo ago | 48 | 2018 | Dan Murphy CTO / Co-founder | WordPress Block EditorwpBakeryWordPress+35 | 15 patents AI‑enhanced network security operations: event enrichment, natural‑language query translation, and CLI automation. | — |
| 14 | Enveil Homomorphic data encryption based security solutions | $46M | 49 mo ago | 29 29 → 34 (+17%) | 2016 | — | WordPressApple iCloud MailGoogle Workspace+23 | 61 patents Patents concentrated in electrical & electronics | — |
| 15 | Sourcefire Network and security solutions provider, unifying protection for users and data | $42M | 239 mo ago | 700 | 2001 | Martin Roesch Founder & CTO | — | 107 patents Network intrusion detection, real-time threat analytics, and malware identification using signatures and ML | — |
| 16 | Quantum Xchange Provider of secure communication solutions for cyber security | $40M | 65 mo ago | 15 | 2018 | Eddy Zervigon CEO | WordPressMySQLSalesforce+23 | — | — |
| 17 | Koolspan Secure instant communications safeguarding enterprise data from hackers with end-to-end encryption | $38M | 152 mo ago | 12 12 → 17 (+42%) | 2003 | — | — | 100 patents Secure media encryption and cryptographic key provisioning for communications devices | — |
| 18 | Arcode E-mail security solutions provider | $32M | 72 mo ago | 57 | 2008 | — | HubSpot CMS HubApple iCloud MailMicrosoft 365+23 | 9 patents Electronic messaging platforms with advanced filtering and display functionalities | 1 launch |
| 19 | RedOwl Offering network access control solutions | $31M | 131 mo ago | 65 | 2011 | — | — | — | — |
| 20 | Prelude Security testing tools to detect vulnerabilities in the cloud | $24M | 8 mo ago | 32 | 2020 | Spencer Thompson Co-founder & CEO | WebflowSentryApple iCloud Mail+23 | 56 patents Breast cancer diagnostic biomarkers and targeted therapeutic decision support | — |
| 21 | Trinity Cyber Provides cyber security consulting and advisory services | $23M | 64 mo ago | 47 47 → 90 (+91%) | 2015 | Neill Sciarrone Co-Founder | HubSpot CMS HubSalesforceGSAP+23 | — | — |
| 22 | Triumfant Behavior based detection and remediation | $22M | 142 mo ago | 17 | 2002 | — | — | 40 patents Automated network security, anomaly detection, and remediation for computer systems | — |
| 23 | Terbium Labs Deep web monitoring & indexing based enterprise data breach discovery | $20M | 63 mo ago | 26 | 2013 | — | — | 44 patents Plagiarism detection for source code and large-scale text fingerprinting | — |
| 24 | Global Learning Systems Cybersecurity awareness training solutions to empower employees and protect organizational data | $18M | 300 mo ago | 51 | 2000 | Larry Cates President/CEO | WordPress Block EditorElementorWordPress+30 | — | 1 partnership |
| 25 | Arxan Provider of AI-powered DevSecOps solutions for software delivery | $17M | 201 mo ago | 84 | 2001 | — | — | 3 patents Software anti‑tamper and runtime integrity protection via code obfuscation and self‑adjusting guards | — |
| 26 | Gladius Blockchain-driven decentralized anti-DDoS attack platform | $15M | 101 mo ago | 14 | 2017 | — | — | — | — |
| 27 | BoxTone Enterprise Mobility Management | $14M | 170 mo ago | 137 | 2005 | — | — | 3 patents Mobile app performance monitoring and portable device telemetry systems | — |
| 28 | Heeler Application security management platform | $8M | 26 mo ago | — | 2023 | Chris Deramus Co-Founder and CSO | WebflowGSAPAmazon Web Services+18 | — | 1 launch |
| 29 | Interpres Security Offering defense surface management platform | $8M | 42 mo ago | 23 | 2022 | Ian Roth Co-Founder | — | — | — |
| 30 | Bricata Provider of network security and data protection solutions | $8M | 65 mo ago | 15 | 2014 | — | — | 2 patents Accelerated network threat detection and mitigation for high‑speed communication systems | — |
| 31 | SnapAttack Cloud based threat detection solution provider | $8M | 55 mo ago | 27 | 2021 | Peter Prizio Chief Executive Officer | — | — | — |
| 32 | Clean.io Proactive real-time anti-malvertising Solution | $8M | 70 mo ago | 28 | 2017 | Jay Crystal Co-Founder | — | 13 patents Patents concentrated in computing, sensing & instrumentation | — |
| 33 | Attila Security Provider of security solutions for endpoints | $6M | 64 mo ago | 21 | 2018 | Gregg Smith CEO | — | — | — |
| 34 | Balance Theory Platform offering network security solutions | $5M | 13 mo ago | 18 | 2021 | Greg Baker Co-Founder | — | — | — |
| 35 | Pervacio Mobile device automation & management solution | $4M | 191 mo ago | 75 | 2004 | — | — | 7 patents Hardware condition monitoring and fault diagnostics for mobile devices. | — |
| 36 | AirPatrol Real-time location systems (RTLS) for industrial IoT solutions | $4M | 182 mo ago | 51 | 2006 | Cleve Adams Ex-CEO & Board Director | — | 17 patents Mobile network policy enforcement, security, and multi-band RF device tracking solutions | — |
| 37 | ReFirm Labs Automated IoT firmware vulnerability discovery, assessment, and remediation | $4M | 80 mo ago | 12 | 2017 | — | — | 4 patents Firmware security assessment and continuous threat monitoring tools | — |
| 38 | EverSafe Cloud based platform for guarding old people against financial exploitation | $3M | 106 mo ago | 20 | 2012 | Howard Tischler Co-Founder & CEO | WordPressMySQLPHP+30 | — | — |
| 39 | SixMap Provider of attack surface management platform for internet-connected asset discovery and analysis 11Talent bottom 49%Funding bottom 45%Tech bottom 39%Moat bottom 38% All 7 signals ▾Talentbottom 49% Fundingbottom 45% Techbottom 39% Moatbottom 38% Globalbottom 29% Marketbottom 23% Newsbottom 18% Talent: 1 named leader on record · 1 C-suite/founder profile curated Funding: Raised $3.3M across 4 rounds · 4 rounds over 4 yrs (1.0/yr) rank vs industry peers · Fliar Intelligence Index 11/100 | $3M | 13 mo ago | 10 | 2020 | Austin Murdock CEO | WordPressApple iCloud MailGoogle Workspace+17 | — | — |
| 40 | Trusted Systems Cyber security suite solutions provider | $3M | 155 mo ago | — | 1986 | Robert Bauman CEO & President | — | — | — |
| 41 | AKUA Actionable cargo tracking and security with continuous in-transit visibility | $3M | 77 mo ago | 5 | 2016 | Neil Furukawa Founder | — | 2 patents IoT-based tracking systems for shipping containers and logistics monitoring | — |
| 42 | Trivalent Post-quantum, zero trust data security solutions for secure network streaming | $2M | 106 mo ago | — | 2010 | — | — | — | — |
| 43 | Walacor Developer of a secure data platform providing data protection capabilities | $2M | 24 mo ago | 4 | 2020 | Lara George Co-Founder & President | — | — | 2 launchs |
| 44 | Protego Cloud based application vulnerability assessment solution provider | $2M | 97 mo ago | 13 | 2017 | Itay Harush Co-Founder | — | — | — |
| 45 | Oculis Labs Gaze tracking based protection of data in use over computer & mobile device screen | $2M | 177 mo ago | 2 | 2007 | — | — | 10 patents Privacy-preserving video display systems for secure visual content rendering | — |
| 46 | SightGain Cloud-based cyber risk assessment and management solutions provider | $2M | 64 mo ago | 3 | 2016 | — | — | — | — |
| 47 | TrackOFF Internet privacy and VPN solution for the individual users | $1M | 98 mo ago | 25 | 2015 | Chandler Givens Co-Founder & CEO | — | 2 patents Privacy protection by detecting and obfuscating web browser/device fingerprinting techniques. | — |
| 48 | Castellum Provider of cybersecurity, software development, and systems engineering services | $520K | 56 mo ago | 207 | 2019 | Mark Fuller Chairman & CEO | Q4MediaElement.jsMicrosoft ASP.NET+11 | 2 patents Optimizing data indexing and retrieval algorithms for electronic search engines | — |
| 49 | foretrace Foretrace uses authentic adversarial reconnaissance techniques for External Attack Surface Management (EASM) | $500K | 40 mo ago | 3 | 2020 | — | — | — | — |
| 50 | E-2 Unlimited Technologies Developer of parental control application that monitors children's mobile phone activity | $295K | 31 mo ago | — | 2019 | April Edwards Founder & CEO | — | 7 patents Fitness equipment brackets, respiratory mask sterilization devices, and pill‑cutting tools. | — |
Top 12 Cybersecurity companies in Maryland
#1
Series C · Greenbelt, Maryland · founded 2015 · 66 employees$47.7Mraised▾
Cybersecurity training platform empowering professionals and teams to reduce business risk. It is a multi-sided platform that delivers world-class training and career development materials. It offers curated Career Paths, Skill Paths, and Certification Preparation programs. The platform provides on-demand video training, hands-on virtual labs, assessments, and practice tests. It helps individuals advance their careers and organizations defend against cyberattacks. The platform offers resources like blog articles, case studies, research papers, and white papers. It provides solutions for individuals, teams, and government organizations. It aligns with industry frameworks and offers personalized remediation. The platform aims to make the cybersecurity industry more accessible through its comprehensive catalog, expert instructors, and various learning resources. It offers free access and subscription-based insider pro options. The platform supports single sign-on (SSO) options and offers a demo for teams.
- Aug 2025Series C$4.5M
- Aug 2022Series C$25M
- Nov 2019Series B$15M
- Sep 2018Series A$2.5M
#2
Series A · Silver Spring, Maryland · founded 2020 · 32 employees$24Mraised▾
Security testing tools to detect vulnerabilities in the cloud. Products include Prelude Detect and Prelude Operator, which enable real-time command and control over any asset across infrastructure. Monitoring of threat intelligence channels, decision support, and threat detection are some of its features.
- Sep 2025Series A$16M
- Apr 2022Series A$24M
#3
Huntress 🦄Series D · Ellicott City, Maryland · founded 2015 · 262 employees$268Mraised▾
Provider of managed security platform solutions for threat detection and response. The platform offers managed endpoint detection and response, identity threat detection, and managed security information and event management. It delivers continuous protection, threat disruption, and remediation. The platform provides security awareness training to reduce human risk and build a security culture.
- Jun 2024Series D$180M
- May 2023Series C$60M
- Sep 2022Conventional Debt$40M
- May 2021Series B$40M
#4
Series A · Silver Spring, Maryland · founded 2021 · 11 employees$59.6Mraised▾
Provider of automated, secretless workload identity and access management. This platform secures access for non-human identities, such as applications and services, across various environments including cloud, SaaS, and on-premise systems. It eliminates the need for storing and managing long-lived credentials by using short-lived, just-in-time access tokens. The platform offers policy-based access control, multi-factor authentication for machines, and detailed audit logs for enhanced security and compliance. It supports various authentication methods and integrates with existing infrastructure. The solution simplifies credential management, improves security posture, and accelerates software deployment.
- Jul 2024Series A$25M
- Oct 2023Seed—
- Jun 2023Seed$13.9M
- Mar 2023Seed$16.6M
#5
Series B · Rockville, Maryland · founded 2016 · 76 employees$48Mraised▾
Provides hardware risk management and access control solutions. The solution focuses on bridging the visibility gap by analyzing L1 data, uncovering all connected assets, and verifying their true identity so users can confidently trust them. The industries which use this solution are financial institutions, healthcare, critical infrastructure, government and federal agencies and more.
- Aug 2024Series B$11M
- Oct 2022Series B$22M
- Nov 2019Series A$10M
#6
Seed · Columbia, Maryland · founded 2021 · 18 employees$5.3Mraised▾
Platform offering network security solutions. It is a cybersecurity collaboration platform that allows users to collaborate with media, code, and more. It also organizes and distributes content to make information accessible and explainable to the audience.
- Apr 2025Seed$2.3M
- Dec 2022Seed$3M
#7
Series A · Maryland · founded 2020 · 10 employees$3.3Mraised▾
Provider of attack surface management platform for internet-connected asset discovery and analysis. The platform delivers discovery and analysis of all Internet-connected assets. It applies contextual exposure, exploit, and threat intelligence to identify exposures and threats. The platform helps to streamline risk reduction and improve operational efficiency.
- Apr 2025Series A$7M
- Apr 2025Series A$1.5M
- Jul 2023Series A$11.8M
- Jul 2022Seed$3.3M
#8
Dragos 🦄Series D · Hanover, Maryland · founded 2016 · 355 employees$437.2Mraised▾
Provider of cybersecurity solutions and intelligence for industrial control systems. The company delivers a platform providing asset visibility, vulnerability management, and threat detection. Services include cyber assessments, incident response, and proactive threat hunting. The firm offers threat intelligence reports, whitepapers, and solution briefs.
- Sep 2023Series D$74M
- Oct 2021Series D$200M
- Dec 2020Series C$110M
- Sep 2019Series B$6M
#9
Series C · Ellicott City, Maryland · founded 2007 · 143 employees$214Mraised▾
Blackpoint Cyber provides solution for the advanced threat mitigation & secure collaboration in the enterprise. Product S.N.A.P. Defense leverages cyber tradecraft rules combined with full NOC like network Intelligence to detect, mitigate, and respond to cyber exploitation events in the enterprise; and Teton C2 is a kidnap and ransom (K&R) system that provides corporate officers with an ability to maintain awareness of the location of personnel and a secure messaging system, and an alert/panic button for personnel. It develops solutions that employs hacker tradecraft and reconstructive network analysis to mitigate malicious activity in the early stages of a penetration.
- Jun 2023Series C$190M
- May 2022Series C$10M
- Jul 2020Series B$7M
- May 2018Series A$6M
#10
Series B · Laurel, Maryland · founded 2014 · 64 employees$131.6Mraised▾
IronNet is a provider of cybersecurity suite solutions. It helps customers in detecting previously unidentified threats missed by the traditional defense in depth cybersecurity solutions. IronNets solutions leverage behavioral analytics, machine learning, and artificial intelligence techniques to help public and private enterprises across critical infrastructure detect unknown threats.
- Jan 2023Conventional Debt$2M
- Feb 2020Series B$21.1M
- May 2018Series B$78M
- Oct 2015Series A$32.5M
#11
Seed · Bethesda, Maryland · founded 2023$8.5Mraised▾
Application security management platform. It unifies code, runtime and business context, that enables AppSec teams to fulfill the mandate of customer trust for security and availability. It offers runtime context and response orchestration.
- Apr 2024Seed$8.5M
#12
Acquired · Bethesda, Maryland · founded 2002 · 183 employees$53.4Mraised▾
Built on a patented Deep Session Inspection platform, Fidelis XPS is a network security appliance with the power to deliver network visibility, analysis, and control over all ports and all channels in real-time, to defend against advanced threats and prevent the possibility of a data breach on multi-gigabit-speed networks.
- Sep 2022Series D—
- Sep 2018Series C$25M
- Apr 2010Series B$2.3M
- Apr 2008Series B$22M
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
What Maryland researches in cybersecurity
University of Maryland's institutions lead Maryland's cybersecurity research—focusing on network security, malware detection, and secure e-voting—with a cautiously optimistic tone balancing breakthroughs against persistent concerns.
- University of Maryland, College Park21
- University of Maryland, Baltimore County7
- University of Maryland, Baltimore5
- University of Maryland Eastern Shore1
- College of Southern Maryland1
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.