Best Cybersecurity Companies in Connecticut, United States
The 37 best Cybersecurity companies in Connecticut, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Kusari.
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 Connecticut
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Kusari Provider of software supply chain security, and visibility solutions for managing the development process | $10M | 32 mo ago | Seed | Parth Patel Co-Founder | 2022 | WebflowApple iCloud MailGoogle Workspace+24 | — | — |
| 2 | Zorus Cloud based endpoint security solutions for managed service providers | $9M | 57 mo ago | Acquired | Greg Gage Founder & CEO | 2017 | WordPressMySQLPHP+29 | — | — |
| 3 | ValidSoft Provider of voice biometrics and deepfake protection security authentication solutions 57AI top 20%Innovation top 23%Product top 26%Funding top 37% All 9 signals ▾AItop 20% Innovationtop 23% Producttop 26% Fundingtop 37% Moattop 48% Talentbottom 49% Techbottom 46% Globalbottom 44% Marketbottom 31% AI: Classified as an AI company Innovation: 8 product lines · Deep-tech classification: Artificial Intelligence rank vs industry peers · Fliar Intelligence Index 57/100 | $4M | 6 mo ago | Acquired | Pat Carroll Founder & CEO & Executive Chairman | 2003 | — | — | — |
| 4 | NXT-ID Provider of medical alert devices and personal emergency response systems | $244K | 88 mo ago | Seed | — | 2011 | — | 52 patents Wearable sensor fusion for health monitoring and secure IoT authentication | — |
| 5 | ResourceVerified Blockchain-based AML compliance management solutions provider | $150K | 109 mo ago | Deadpooled | Jaspreet Randhawa Founder & CEO | 2017 | — | — | — |
| 6 | Symmera Provider of IoT security solutions | — | 24 mo ago | Seed | Srinivas Kumar CEO & Co-Founder | 2023 | — | 13 patents Secure data streaming and PSK‑based encryption/authentication for AI and network devices | — |
| 7 | InterGuard Cloud based endpoint auditing & control solution for insider threat protection | — | 195 mo ago | Acquired | Peter Fuhrman Co-Founder & ex-CEO | 2002 | — | — | — |
| 8 | Awareness Technologies Computer and mobile device monitoring software | — | — | Funding Raised | Ron Penna Co-Founder | 2002 | — | 19 patents Patents concentrated in computing, sensing & instrumentation | — |
Top 7 Cybersecurity companies in Connecticut
#1
Acquired · Hartford, Connecticut · founded 2003 · 17 employees$4.2Mraised▾
Provider of voice biometrics and deepfake protection security authentication solutions. The company delivers voice identity assurance for contact centers and omnichannel communications. It offers digit-based voice authentication, speech analysis algorithms, and multi-factor authentication. The business provides technology that detects synthetically generated speech from genuine human speech.
- Mar 2026Series A$449.3K
- Mar 2025Series A$260K
- Mar 2023Series A$300K
- Mar 2021Series A$12.9M
#2
Seed · Ridgefield, Connecticut · founded 2022$10.1Mraised▾
Provider of software supply chain security, and visibility solutions for managing the development process. It helps in managing software security. The company offers a software that provides end-to-end visibility and insights for software development lifecycle.
- Dec 2023Seed$8.1M
- Seed$2M
#3
Acquired · Monroe, Connecticut · founded 2017 · 14 employees$9.4Mraised▾
Zorus cloud based endpoint security solutions for managed service providers. It offers a cybersecurity solution from on-premise to the Cloud. The product offered by the company is Archon. It is a cloud-based web filtering solution to protect websites from viruses, ransomware, botnets, phishing scams, and other forms of malware. Other features include SSL inspection, content filtering, and application filtering.
- Dec 2021Series A$9M
- Jan 2019Seed$405K
#4
Seed · Shelton, Connecticut · founded 2011 · 25 employees$244Kraised▾
Provider of medical alert devices and personal emergency response systems. The company offers solutions for veterans affairs, senior living facilities, and home healthcare providers. Products include fall detection, geofencing, and crisis hotline access. Some solutions offer monitoring and caregiver support tools.
- May 2019Conventional Debt$16.5M
- May 2018Conventional Debt$16M
- Jul 2016Post IPO$4.5M
- Jan 2016Post IPO$2M
#5
Deadpooled · Greenwich, Connecticut · founded 2017 · 2 employees$150Kraised▾
Resource Verified is a blockchain-based AML compliance management solutions provider. It offers solutions such as due diligence management, FINRA compliance management, employee verification management, data streamlining, and vendor directory management.
- Aug 2017Seed$150K
#6
Seed · Stamford, Connecticut · founded 2023—raised▾
Provider of IoT security solutions. It simplifies XIoT and AI or ML by providing cyber-safe devices and trusted data through device authentication, quantum-proof cryptography, and secure data streams, offering a SaaS platform with simple APIs for developers, OEMs, and end-users to enhance operational risk management and enable secure field communications.
- Aug 2024Seed—
#7
Acquired · Westport, Connecticut · founded 2002 · 30 employees—raised▾
Cloud based endpoint auditing & control solution for insider threat protection
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
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.