Best Cybersecurity Companies in San Diego, United States
The 79 best Cybersecurity companies in San Diego, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Kandji.
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 San Diego
| # | Company | Disclosed funding | Last round | Employees | Founded | Founder | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Kandji Cloud based platform offering mobile device management solutions | $288M | 23 mo ago | 335 | 2018 | Adam Pettit Co-Founder & CEO | SentryAtlassian StatuspageApple iCloud Mail+38 | 18 patents Enterprise endpoint management: automated configuration deployment, compliance validation, and event recovery | — |
| 2 | Iboss Cloud-based converged network security provider | $230M | 65 mo ago | 235 | 2003 | Peter Martini Co-Founder & President | WordPressSentryMySQL+29 | 330 patents Secure web gateway and remote browser isolation for cloud and network traffic | — |
| 3 | Inside Secure Enterprise grade security for mobile devices & payment solution | $181M | 105 mo ago | 623 | 1995 | — | — | 13 patents Hardware security and IP protection via IC camouflaging, secure elements, and DRM. | — |
| 4 | Mitek Provider of AI-driven solutions for identity verification and fraud prevention | $156M | 64 mo ago | 590 590 → 765 (+30%) | 1985 | Ed West CEO | DrupalApple iCloud MailPHP+20 | 882 patents Automated saw and lumber processing systems for wood construction and modular building. | — |
| 5 | AttackIQ Provider of security validation and exposure management through adversarial emulation | $95M | 61 mo ago | 152 | 2013 | Rajesh Sharma Co-Founder | WordPressSentryAtlassian Statuspage+39 | 29 patents Automated verification of network security configs and attack‑graph simulation for cyber defenses. | — |
| 6 | ImageWare Systems Provider of cloud-based multi-modal biometrics systems | $67M | 66 mo ago | 26 | 1987 | Jim Miller Chairman & CEO | — | — | — |
| 7 | MixMode Provider of an AI-powered platform for cyber defence and threat detection | $66M | 51 mo ago | 75 | 2012 | John Keister CEO | WordPressSentryZendesk+38 | — | 3 job openings |
| 8 | TRUEPIC Online image and video authenticity solution to enterprise and consumer | $37M | 57 mo ago | 68 | 2014 | Craig Stack Co-Founder | WebflowApple iCloud MailGoogle Workspace+28 | 64 patents Cryptographic authentication and anti‑recapture protection for captured photographic and video media. | 2 partnerships |
| 9 | ID Analytics Credit risk solutions using alternative data for informed lending decisions | $35M | 229 mo ago | 128 | 2002 | — | — | 56 patents Distributed data transfer and analytics platform for healthcare data visualization and interest ranking | — |
| 10 | Clearspeed Provider of AI and voice-based risk assessment platform | $27M | 11 mo ago | 100 | 2016 | Kurt Martin Co-Founder | WordPressMySQLPHP+25 | 2 patents Audio sample quality control and verification in digital signal processing | — |
| 11 | LiteScape Provider of tools for unified communication | $27M | 226 mo ago | 11 | 2003 | — | — | 2 patents Patents concentrated in electrical & electronics | — |
| 12 | DB CyberTech AI-based predictive data loss prevention solution provider | $22M | 138 mo ago | 10 | 2012 | — | — | 3 patents Network traffic analysis and structured data extraction for cybersecurity monitoring | — |
| 13 | EdgeWave Adaptive network & applicaton security based NGFW | $16M | 138 mo ago | 60 | 1995 | — | — | 5 patents Email phishing detection and suspicious message analysis for network security | — |
| 14 | Voxox Cloud-based enterprise VoIP and cloud communication software provider | $11M | 123 mo ago | 33 | 2006 | Robert Hertz Chief Information Officer - Co Founder | HubSpot CMS HubAtlassian StatuspageZendesk+18 | — | — |
| 15 | Semantic Intellect Provider of a semantic image analytics platform for enterprises and government | $10M | 84 mo ago | 47 | 2001 | Richard Harrison CEO | Bolt CMSPHPFacebook Login+23 | — | — |
| 16 | Emotient Facial expression recognition and analysis | $8M | 147 mo ago | 25 | 2012 | Gwen Littlewort Co-Founder | — | 49 patents Patents concentrated in computing, sensing & instrumentation | — |
| 17 | Ubiq Security Data security and encryption solutions provider | $6M | 67 mo ago | 3 | 2019 | — | WordPressMySQLPHP+32 | — | — |
| 18 | AgilePQ Developer of cryptographic solutions for communication between connected devices | $6M | 102 mo ago | 9 | 2015 | Paul Clayson CEO | — | 30 patents Secure data packaging, format conversion, and optimized error‑corrected data recovery solutions. | — |
| 19 | Kahoona Offers data security solutions | $4M | 49 mo ago | 19 | 2021 | — | — | — | — |
| 20 | CyberFlow Analytics Network Packet Data Analytics Company | $3M | 126 mo ago | — | 2013 | Hossein Eslambolchi Chairman & CEO | — | 4 patents Real-time network intrusion detection using deep packet inspection and anomaly analysis | — |
| 21 | ImageWare Cloud based platform offering multi model biometric solutions | $2M | 53 mo ago | 20 | 1987 | — | — | — | — |
| 22 | Harvest AI AI based data loss prevention using UBA | $2M | 86 mo ago | 11 | 2014 | — | — | 144 patents Greaseless bushings and quick‑change mounting hardware for agricultural row equipment | — |
| 23 | 405labs Analytics for anomaly detection | $2M | 138 mo ago | — | 2014 | Alexander Watson Co-Founder & CEO | — | — | — |
| 24 | Gryphon Provider of parental control wifi router | $2M | 84 mo ago | 19 | 2015 | John Wu Co-Founder & CEO | Cart FunctionalityShopifySentry+32 | 3 patents Acoustic speaker integration, motorized wheelchair mobility, and precision glass cutting tools | — |
| 25 | CamerEye Provider of AI-enabled pool safety and surveillance systems | $1M | 33 mo ago | 13 | 2020 | Sai R Founder & CEO | Cart FunctionalityWooCommerceWordPress+41 | — | — |
| 26 | Nefsis Provider of video conferencing platform | $1M | — | 12 | 1998 | Allen Drennan Founder | — | — | — |
| 27 | Eturi Developing parental control apps | $825K | 142 mo ago | 21 | 2013 | Amir Moussavian Founder & CEO | — | 36 patents Enterprise media device content moderation and policy‑enforced data throttling solutions | — |
| 28 | Edge App Blockchain-based security platform and mobile wallet for crypto storage | $780K | 48 mo ago | 26 | 2014 | — | WordPressApple iCloud MailGoogle Workspace+34 | — | 1 partnership |
| 29 | Olympus Sky Secure content management for the connected vehicle & IoT | $500K | 128 mo ago | 8 | 2014 | Barton Shields Co-Founder & CTO | — | — | — |
| 30 | AutoBizLine Provider of second phone numbers and business communication system services | $300K | 48 mo ago | 3 | 2020 | — | WordPressMySQLPHP+11 | — | — |
| 31 | Telaeris Handheld access control and mustering solutions for enhanced safety and security | $300K | 140 mo ago | 12 | 2005 | — | WordPressMySQLPHP+22 | — | 1 internship · 1 partnership |
| 32 | Crypteron Instant data security platform for developers, software companies, and enterprises | $150K | 80 mo ago | 1 | 2013 | Yaron Guez Co-Founder & Software Architect | — | 5 patents Secure data transmission and storage protocols for front‑end and back‑end applications | — |
Top 12 Cybersecurity companies in San Diego
#1
Series D · San Diego, California · founded 2016 · 100 employees$27Mraised▾
Provider of AI and voice-based risk assessment platform. It provides a platform that supports businesses in voice analytics to track risks and alert users on possible fraud. It offers data to its users to support customer experience. It leverages AI technology for identifying conversational fraud analysis. It also provides tools for identifying financial fraud, security risks, IP theft prevention, supply chain compliance, transaction or individual vetting, and more.
- Jun 2025Series D$60M
- Oct 2022Series C$27M
#2
Series D · San Diego, California · founded 2018 · 335 employees$288.5Mraised▾
Cloud based platform offering mobile device management solutions
#3
Public · San Diego, California · founded 1985 · 590 employees$155.7Mraised▾
Provider of AI-driven solutions for identity verification and fraud prevention. The company offers a platform that integrates biometrics, identity verification, and data signals. It helps businesses secure access, prevent fraud, and ensure compliance. The company’s solutions detect check fraud, synthetic identity fraud, and account-takeover fraud. It offers liveness detection, document verification, and anti-spoofing voice technology.
- Feb 2021Post IPO$135M
- May 2018Post IPO$201.9K
- May 2011Post IPO$15M
- Oct 2010Post IPO$750K
#4
Series B · San Diego, California · founded 2012 · 75 employees$65.8Mraised▾
Provider of an AI-powered platform for cyber defence and threat detection. The platform offers real-time, preemptive threat detection using self-learning artificial intelligence. It detects unknown attacks, consolidates tools, and augments security analyst capabilities. The platform is designed for deployment in various environments, including those with limited connectivity. It aims to improve threat detection and reduce alert fatigue.
- Mar 2022Series B$45M
- Mar 2020Series A$10.4M
- Mar 2019Series A$1.8M
- Oct 2017Series A$3.6M
#5
Series C · San Diego, California · founded 2003 · 235 employees$230Mraised▾
Cloud-based converged network security provider. It provides granular HTTP, SSL, application, and threat management with directory user-based reporting. The technology involves a stream-type system for inspecting data packets incoming and outgoing traffic of the corporate network. The platform architecture is backed by pending US patents leveraging network anomaly detection by scanning across DNS, IP other protocols, and behavioral-based APT defense.
- Jan 2021Series C$145M
- Dec 2020Series B$50M
- Nov 2015Series A$35M
#6
Series C · San Diego, California · founded 2013 · 152 employees$95.2Mraised▾
Provider of security validation and exposure management through adversarial emulation. The company's platform offers continuous, comprehensive, and targeted testing to maintain defense readiness. It validates threats, controls, and attack paths across cloud, identity, and infrastructure. The platform evaluates defenses across endpoints, hybrid environments, and third parties at scale. It prioritizes exploitable exposures and validates security control effectiveness. The company's offerings include attack path management, active threat monitoring, and vulnerability prioritization.
- May 2021Series C$44M
- Feb 2021Series B$5M
- May 2019Series B$18.6M
- Aug 2018Series A$5.5M
#7
Public · San Diego, California · founded 1995 · 623 employees$181.4Mraised▾
Inside Secure provides comprehensive embedded security and payment solutions. It operates in many markets like payment & mobile banking, content protection & entertainment, enterprise security, and secure access, secure IOT & brand protection. Other products include secure micro-controllers, smart card readers, mobile payment solutions (Matrix HCE), security services (VaultSecure, MatrixSSE, MatrixDAR & other mobile security solutions, brand protection, protocol security toolkit, embedded software solutions among others. Product VAULTiTRUST is a trusted security personalization and provisioning service for IoT hardware and software security solutions. Service deliver provisioned solutions with built-in personalization option at the chip level.
- Sep 2017Post IPO$19.2M
- Oct 2010Series D$68.1M
- Jun 2008Series C$44.2M
- Sep 2006Series B$32.1M
#8
Public · San Diego, California · founded 1987 · 26 employees$67Mraised▾
Provider of cloud-based multi-modal biometrics systems. It offers multi-factor biometric authentication via mobile devices, on-premises and in the cloud. The solution incorporates voice, fingerprint, facial recognition, signature, iris, and other biometric capture feature available to a customer.
- Nov 2020Post IPO$11.6M
- Sep 2020Post IPO$2.2M
- Sep 2018Post IPO$10M
- Sep 2017Post IPO$11M
#9
Series B · San Diego, California · founded 2014 · 68 employees$37.2Mraised▾
Online image and video authenticity solution to enterprise and consumer. Its technology is used to verify image originality and authenticity that cannot be filtered and modified. Provides image metadata storage after authentication. Available for consumer use by downloading the iPhone or Android app. Generates revenue through monthly subscriptions.
- Sep 2021Series B$26M
- Jun 2018Series A$8M
- Nov 2017Seed$1M
- May 2017Angel$1.8M
#10
Seed · San Diego, California · founded 2020 · 13 employees$1.4Mraised▾
Provider of AI-enabled pool safety and surveillance systems. Its offering includes a camera, speakers, accessories, and a monitoring mobile app. Its feature includes AI-based live streaming access, alerts, and cloud storage. It is applicable for pools and spas. It is available on iOS and Android platforms.
- Sep 2023Seed$350K
- Jan 2022Seed$1.1M
- Dec 2021Conventional Debt$500K
#11
Acquired · San Diego, California · founded 2002 · 128 employees$35.1Mraised▾
Credit risk solutions using alternative data for informed lending decisions. They provide data and analytics to manage risk and uncover opportunities across the customer lifecycle. Their solutions offer insights for customer acquisition, loan origination, portfolio servicing, and debt recovery. They leverage alternative credit insights to enhance portfolio performance, providing a comprehensive view of creditworthiness. They serve various industries, including financial services, telecommunications, and automotive, offering solutions for fraud prevention, identity verification, and compliance. Their offerings include risk assessment, data enrichment, and monitoring tools, enabling businesses to make informed decisions and improve outcomes. They focus on leveraging data and advanced analytics to manage risk and improve business outcomes.
- May 2007Series C$20M
- Feb 2006Series B$5.2M
- May 2002Series A$10M
#12
Seed · San Diego, California · founded 2021 · 19 employees$4.5Mraised▾
Offers data security solutions. They are a disruptive first party data activation platform for the open web that brings to life audience data without compromising user privacy nor performance. Waiting for the deprecation of third party cookies is not ideal, analyzing user interactions to accurately segment your audience and offer real time personalization, on the other hand, is triumphant.
- May 2022Seed$4.5M
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
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.