Best Cybersecurity Companies in Baltimore, United States
The 36 best Cybersecurity companies in Baltimore, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: ZeroFOX.
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 Baltimore
| # | Company | Disclosed funding | Last round | Stage | Employees | Founder | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | ZeroFOX Provider of digital risk protection, threat intelligence, and attack surface management | $154M | 78 mo ago | Acquired | 250 | Christopher Cullison Co-Founder | 63 patents Cybersecurity threat detection, attack surface analysis, and deepfake mitigation for digital environments | — |
| 2 | RedOwl Offering network access control solutions | $31M | 134 mo ago | Acquired | 65 | — | — | — |
| 3 | Terbium Labs Deep web monitoring & indexing based enterprise data breach discovery | $20M | 66 mo ago | Acqui-Hired | 26 | — | 44 patents Detecting software plagiarism and fingerprinting large text corpora for search. | — |
| 4 | Bricata Provider of network security and data protection solutions | $8M | 68 mo ago | Acquired | 15 | — | 2 patents Accelerated network threat detection and mitigation for high‑speed data communications | — |
| 5 | Clean.io Proactive real-time anti-malvertising Solution | $8M | 73 mo ago | Acquired | 28 | Jay Crystal Co-Founder | 13 patents Detecting and blocking malicious ad creatives and client-side injection code in ad tech platforms | — |
| 6 | AKUA Actionable cargo tracking and security with continuous in-transit visibility | $3M | 80 mo ago | Series A | 5 | Neil Furukawa Founder | 2 patents IoT-based tracking systems for shipping containers and logistics monitoring | — |
| 7 | Protego Cloud based application vulnerability assessment solution provider | $2M | 100 mo ago | Acqui-Hired | 13 | Itay Harush Co-Founder | — | — |
| 8 | TrackOFF Internet privacy and VPN solution for the individual users | $1M | 101 mo ago | Deadpooled | 25 | Chandler Givens Co-Founder & CEO | 2 patents Privacy protection for web browsers via device fingerprint detection and property obfuscation. | — |
| 9 | Integrata Integrated solutions for securing the digital world through technology | $850K | 152 mo ago | Seed | 6 | Michael Geppi Co-Founder | — | — |
| 10 | OnSystem Logic Antimalware solution for security of applications | $254K | 63 mo ago | Seed | 6 | Homayoon Tajalli CEO | — | — |
| 11 | Verb8tm Video captioning software solutions | $175K | 133 mo ago | Acqui-Hired | 45 | — | — | — |
| 12 | Light Point Security Advanced browsing malware protection | $105K | 136 mo ago | Acqui-Hired | 2 | — | — | — |
| 13 | CyDeploy Provider of automated system to test the impact of technology changes | $100K | 53 mo ago | Seed | 9 | Tina Koroma Founder | 2 patents Security compatibility testing and configuration platform for telecom/network equipment | — |
| 14 | TeamPassword Cloud based password management platform for teams | $100K | — | Acquired | 3 | — | — | — |
Top 12 Cybersecurity companies in Baltimore
#1
Acquired · Baltimore, Maryland · founded 2013 · 250 employees$154.2Mraised▾
Provider of digital risk protection, threat intelligence, and attack surface management. The company offers monitoring of external digital assets to identify and remediate vulnerabilities. It delivers curated threat intelligence from various online sources. The company facilitates the removal of sensitive information and takedowns of malicious content.
- Feb 2020Series D$74M
- May 2017Series C$40M
- Dec 2015Series B$27M
- Apr 2014Series A$11M
#2
Acqui-Hired · Baltimore, Maryland · founded 2013 · 26 employees$20.1Mraised▾
Terbium Labs provides alerting and analysis of data breaches by continuously monitoring the deep net. Product Matchlight is a big data intelligence system that crawls and indexes the dark web and deep web, including the largest marketplaces and forums, for stolen data and compromised information. Simultaneously, it performs matching of the collected fingerprints of customer's data with all crawled fingerprints from the web. In the case of a match, system alerts via notification and a forensics report providing insights for identifying breaches, fixing security weaknesses and aiding the remediation process. The company employs cryptographic hashing techniques to create fingerprints, big data based MapR database to create and store indexes and fuzzy hashing for obtaining matches.
- Mar 2021Series B—
- Mar 2019Series B$4M
- Nov 2017Series B$6M
- Mar 2016Series A$6.4M
#3
Acquired · Baltimore, Maryland · founded 2014 · 15 employees$8Mraised▾
Provider of network security and data protection solutions. It provides threat detection across the network and cloud-based devices employing automated, capture, analysis and disposition of network activity. Bricata’s ProAccel is a next-generation intrusion prevention system (NGIPS) appliance built on open-source Suricata engine augmented with proprietary software and hardware. Appliance is based on multi-threaded processing for high speed inspection up to 300 Gbps of network throughput and detection using rule sets and pattern matching. The automated threat defense platform combines the feature of line rate full packet capture, session reconstruction, forensics, breach detection in addition to traditional firewall features.
- Dec 2020Conventional Debt$700K
- Jun 2019Conventional Debt$1.4M
- Jul 2017Series A$8M
- Jul 2016Conventional Debt$250K
#4
Funding Raised · Baltimore, Maryland · founded 2019$99Kraised▾
Provider of cybersecurity services including risk assessment and incident response. The company delivers in-depth defense of network systems, enabling clients to assess IT needs and vulnerabilities. It develops solutions to mitigate data breach risks, providing prioritized recommendations. Services include managed detection and response, security operations center activities, and policy and compliance analysis. The company also offers training and awareness programs.
- Mar 2023Grant (prize money)$99K
#5
Acquired · Baltimore, Maryland · founded 2017 · 28 employees$7.5Mraised▾
Clean.io offers a proactive real-time anti-malvertising solution for protecting publishers and platforms. It prevents malicious advertising in real-time on real-time traffic. Its features include page-level protection, customizable dashboards, source tracking, cross-screen protection, revenue impact, monetization KPIs, and out-of-the-box reporting.
- Aug 2020Series A$5M
- May 2019Seed$2.5M
#6
Acquired · Baltimore, Maryland · founded 2011 · 65 employees$31.2Mraised▾
Offering network access control solutions. This integrated platform delivers real-time insight into anomalous interactions and access that occur across people, data, devices and applications. Customers deploy these capabilities to analyze large amounts of complex data, assess high-risk events and behaviors, and enact centralized and supervisory oversight to satisfy both security and regulatory requirements.
- Jul 2015Series B$17.5M
- Jun 2014Series A$11M
- Jun 2014Series A$4.6M
- Sep 2013Seed$2.8M
#7
Seed · Baltimore, Maryland · founded 2021 · 9 employees$100Kraised▾
Provider of automated system to test the impact of technology changes. The system helps organizations understand how updates affect their environments. It uses artificial intelligence and machine learning to provide a secure environment for testing. The system identifies vulnerabilities, configuration weaknesses, and potential budget impacts of changes.
- Mar 2022Seed$100K
- Feb 2021Grant (prize money)$900K
#8
Series A · Baltimore, Maryland · founded 2016 · 5 employees$3Mraised▾
Actionable cargo tracking and security with continuous in-transit visibility. It is a subscription data service that provides a cloud-based solution for intermodal cargo containers. The platform offers persistent environmental monitoring and tracking solutions, enabling exceptional in-transit visibility of goods and shipments across the globe. The company utilizes advanced tracking devices, tamper-resistant security, and in-transit analytics. It empowers customers with real-time intelligence to protect valuable cargo, streamline operations, and increase their bottom line. The IoT technology and services help minimize losses from theft or spoilage and optimize the value of goods. The platform provides real-time position data, security status, and environmental conditions. It is a SaaS platform that transforms the global supply chain through disruptive IoT innovation.
- Jan 2020Series A—
- May 2017Seed$3M
#9
Seed · Baltimore, Maryland · founded 2008 · 6 employees$254.4Kraised▾
OnSystem Logic provides an antimalware solution for security of applications. The product offered by the company is OnSytem Defender. It is a non-bypassable defense for malware which leverages application reference monitor engine to provide protection against security flaws and threat.
- Jun 2021Grant (prize money)$254.4K
- Mar 2016Seed—
#10
Acqui-Hired · Baltimore, Maryland · founded 2017 · 13 employees$2Mraised▾
Protego Labs provides a SaaS platform for the security of the applications. Through continuous serverless security posture, dynamic serverless intelligence, and elastic defense, helps organizations to achieve control over the security of their applications. It continuously scans serverless infrastructure, code, and runtime environment, to collect the data. With machine based analysis and deep learning algorithms, it builds a model of normal function behavior to effectively detect threats, anomalies, and malicious attacks as they initiate and propagate. By leveraging dynamic intelligence it mitigates the risks by determining the ideal way to protect applications in real time. Technology partners include AWS, Google Cloud Platform, and Microsoft Azure.
- May 2018Seed$2M
#11
Deadpooled · Baltimore, Maryland · founded 2015 · 25 employees$1.1Mraised▾
TrackOFF provides internet privacy and VPN solution for individual users. Products include TrackOFF Elite, Windows-based anti-tracking software for anonymous browsing; and TrackOFF Standard, Windows-based software for privately browsing internet conducting online shopping, and checking social media or news sites. Claims to prevent any targeted ads and calculate individual privacy score based on the level of privacy protection opted by the users. The pricing model is based on yearly usage. The solution is also available for Android, iOS, and Mac.
- Mar 2018Seed$1M
- Feb 2018Seed$100K
#12
Seed · Baltimore, Maryland · founded 2012 · 6 employees$850Kraised▾
Integrated solutions for securing the digital world through technology. The company focuses on providing integrated solutions in the digital space, covering areas like internet applications, social media, SEO, and electronics. It appears to be a content-driven platform, offering articles and guides on diverse topics such as technology trends, educational insights, financial guides, and lifestyle content. The business model seems to revolve around creating and distributing information across various categories, potentially attracting users interested in learning about these subjects. Keywords: Internet, social media, SEO, electronics, technology, content, articles, guides, digital solutions, online marketing, education, finance, lifestyle.
- Jan 2014Seed$750K
- 2013Seed$100K
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 Baltimore researches in cybersecurity
- University of Maryland, Baltimore County7
- University of Maryland, Baltimore5
- University of Baltimore2