Radar Companies Security & Surveillance Technology · San Diego
Radar · Security & Surveillance Technology in San Diego

Best Security & Surveillance Technology Companies in San Diego, United States

The 47 best Security & Surveillance Technology companies in San Diego, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Shield AI.

47companies tracked
$1.6Bdisclosed funding
1unicorns
22have raised
FLIAR INTELLIGENCE · SECURITY & SURVEILLANCE TECHNOLOGY × SAN DIEGO

Our analysis of 50 Security & Surveillance Technology companies

$4.8b in tracked funding; 91% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.

50companies analysed
91%cloud-native stacks
2025funding peak (by rounds)
7unicorns
2015median founding year
291kcombined LinkedIn audience
85%of audience held by top 3
1companies hiring publicly (12 mo)

Ranked: Best Security & Surveillance Technology companies in San Diego

#CompanyDisclosed fundingLast roundEmployeesFoundedFounderTech stackPatents & IP focusRecent signals
1Shield AI 🦄
Developer of AI-powered platforms and software for defense applications
93Funding top 9%Product top 18%Talent top 22%Moat top 26%
All 12 signals ▾
Fundingtop 9%
Producttop 18%
Talenttop 22%
Moattop 26%
Markettop 28%
Growthtop 29%
AItop 30%
Innovationtop 32%
Techtop 33%
Newstop 36%
Partnerstop 43%
Globaltop 48%
Funding: Raised $930M across 16 rounds · 16 rounds over 11 yrs (1.5/yr)
Product: 4 distinct product lines · Company stage: Series G
rank vs industry peers · Fliar Intelligence Index 93/100
$930M4 mo ago3642015Brandon Tseng
Co-Founder
WordPressApple iCloud MailMySQL+241 partnership
2Decision Sciences
Provider of automated security and contraband detection systems for CBRNE defence
$158M37 mo ago711996Jack Honeycutt
CEO
301 patents
Advanced synthetic-aperture ultrasound imaging and charged-particle detector systems for diagnostics
3Mitek
Provider of AI-driven solutions for identity verification and fraud prevention
$156M66 mo ago590
590 → 765 (+30%)
1985Ed West
CEO
DrupalApple iCloud MailPHP+20882 patents
Automated cutting systems and modular construction materials for efficient building processes
4Lytx
Provider of video telematics and fleet management solutions
$153M100 mo ago979
979 → 977 (+0%)
1998SentryAtlassian StatuspageApple iCloud Mail+30283 patents
Video telematics and driver safety analytics for fleet vehicles.
4 launchs
5ImageWare Systems
Provider of cloud-based multi-modal biometrics systems
$67M68 mo ago261987Jim Miller
Chairman & CEO
6TRUEPIC
Online image and video authenticity solution to enterprise and consumer
$37M59 mo ago682014Craig Stack
Co-Founder
WebflowApple iCloud MailGoogle Workspace+2864 patents
Secure image capture and authentication with cryptographic anti‑recapture techniques
2 partnerships
7ID Analytics
Credit risk solutions using alternative data for informed lending decisions
$35M231 mo ago128200255 patents
Patents concentrated in computing, sensing & instrumentation
8Accel Robotics
Provider of AI-based automated checkout solutions for offline retailers
$35M82 mo ago22015Brandon Maseda
Co-Founder & CEO
47 patents
AI-driven visual inventory and smart shelf sensing for retail automation
9Clearspeed
Provider of AI and voice-based risk assessment platform
$27M13 mo ago1002016Kurt Martin
Co-Founder
WordPressMySQLPHP+252 patents
Audio sample quality control and verification in digital signal processing
10Avaak
Developed home monitoring system
$17M196 mo ago4200417 patents
Low‑power IoT sensor mounting, RF communication, and asset‑tracking hardware solutions
11Semantic Intellect
Provider of a semantic image analytics platform for enterprises and government
$10M86 mo ago472001Richard Harrison
CEO
Bolt CMSPHPFacebook Login+23
12MyDx
Developer of portable analyzer that assists in the detection of chemicals
$9M101 mo ago72013WordPressMySQLPHP+30
13Emotient
Facial expression recognition and analysis
$8M149 mo ago252012Gwen Littlewort
Co-Founder
49 patents
Patents concentrated in computing, sensing & instrumentation
14ImageWare
Cloud based platform offering multi model biometric solutions
$2M55 mo ago201987
15CamerEye
Provider of AI-enabled pool safety and surveillance systems
$1M34 mo ago132020Sai R
Founder & CEO
Cart FunctionalityWooCommerceWordPress+41
16XY Labs
Platform offering self-sovereign data gathering, storage, and processing solutions
$1M91 mo ago202012Arie Trouw
Founder & CEO
Facebook LoginMUIReact Router+11
17Aeromutable
Manufacturer of aerodynamic enhancement systems for off-highway vehicles
$600K50 mo ago22018Sandra Manosalvas-Kjono
Co-Founder & COO &Sensor System Design Engineer
18Telaeris
Handheld access control and mustering solutions for enhanced safety and security
$300K141 mo ago122005WordPressMySQLPHP+221 internship · 1 partnership

Top 12 Security & Surveillance Technology companies in San Diego

#1
Series G · San Diego, California · founded 2015 · 364 employees
$930.2Mraised

Developer of AI-powered platforms and software for defense applications. The company provides solutions for mission autonomy, surveillance, and object detection. Its offerings include autonomous pilot software, command and control toolkits, and autonomy development platforms. It also manufactures unmanned aircraft for intelligence, surveillance, and reconnaissance missions.

Fliar Intelligence Index™ 93how this company ranks against its industry peers
Funding
top 9%
Product
top 18%
Talent
top 22%
Moat
top 26%
Market
top 28%
Growth
top 29%
Funding: Raised $930M across 16 rounds · 16 rounds over 11 yrs (1.5/yr) · Last round Series G (Mar 2026)
Product: 4 distinct product lines · Company stage: Series G
Talent: Analyst team rating 5/5 · 3 named leaders on record · 3 C-suite/founder profiles curated
Audience (LinkedIn): 151k LinkedIn followers — 51.9% of this cohort's audience
Activity (LinkedIn): 1 partnerships (incl. Hivemind) announced in 12 mo
Funding rounds
  • Mar 2026Series G$2B
  • Feb 2025Series F$591.8M
  • Dec 2023Series F$100M
  • Dec 2023Venture Debt$200M
Founders & team
Brandon TsengCo-FounderRyan TsengCo-Founder & Chief Strategy Officer & PresidentGary SteeleCEO
Investors
Andreessen Horowitz, Homebrew, Bloomberg Beta, Founder Collective, Riot, Disruptive Ventures
Tech stack
Anime.JsApple Icloud MailCloudflareCloudflare Bot ManagementCore-JsDocusign
#2
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.

LinkedIn Pulse recent public activity · Jul 2026
Audience: 6k LinkedIn followers — 2.1% of this cohort's audience
Funding rounds
  • Jun 2025Series D$60M
  • Oct 2022Series C$27M
Founders & team
Kurt MartinCo-Founder Alexander MartinCo-Founder & CEO
Investors
King Philanthropies, Align Private Capital, IronGate Capital Advisors, KBW Ventures, Bravo Victor Venture Capital, Mobeus Equity Partners
Tech stack
Amazon S3Amazon SesAmazon Web ServicesCloudflareCloudflare Bot ManagementCore-Js
#3
Series C · San Diego, California · founded 1996 · 71 employees
$157.5Mraised

Provider of automated security and contraband detection systems for CBRNE defence. It provides users with a company that develops and provides integrated security, detection systems, and critical infrastructure security solutions for the defence industry. Its product portfolio consists of Non-intrusive Inspection solutions, MMPDS Gen3 and detection systems.

Funding rounds
  • Jul 2023Grant (prize money)$198.1K
  • Jul 2021Series C$13.5M
  • Mar 2020Series C$25.4M
  • Aug 2019Series C$20M
Founders & team
Jack HoneycuttCEODwight JohnsonSenior Advisor
Investors
OSTI, Adit Ventures, Rock Gate Partners, DTI Capital, Ternary Fund Management
#4
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.

LinkedIn Pulse recent public activity · Jul 2026
Audience: 45k LinkedIn followers — 15.5% of this cohort's audience
Funding rounds
  • Feb 2021Post IPO$135M
  • May 2018Post IPO$201.9K
  • May 2011Post IPO$15M
  • Oct 2010Post IPO$750K
Founders & team
Ed WestCEO
Investors
Harland Clarke, Jefferies, William Blair, The Benchmark Company, Northland Securities, Laurus Capital Management
Tech stack
Amazon CloudfrontAmazon Web ServicesApache Http ServerApple Icloud MailAtlassian StatuspageAudioeye
#5
Acquired · San Diego, California · founded 1998 · 979 employees
$153.4Mraised

Provider of video telematics and fleet management solutions. It is a technology company that provides video safety and telematics solutions for fleets, helping to protect drivers, costs, and operational efficiency. The company's platform utilizes machine vision and artificial intelligence to analyze driver behavior, monitor safety, and provide insights.

LinkedIn Pulse recent public activity · Jul 2026
Audience: 52k LinkedIn followers — 17.9% of this cohort's audience
Activity: 4 product launches announced in 12 mo
Funding rounds
  • Apr 2018PE
  • Feb 2013Series D
  • Nov 2011Series D$85M
  • Dec 2009Venture Debt$4M
Investors
Integral Capital Partners, Insight Partners, Menlo Ventures, JMI Management, Triangle Peak Partners, Leader Ventures
Tech stack
6SenseAmazon S3Amazon SesAmazon Web ServicesAngularApple Icloud Mail
#6
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.

Funding rounds
  • Nov 2020Post IPO$11.6M
  • Sep 2020Post IPO$2.2M
  • Sep 2018Post IPO$10M
  • Sep 2017Post IPO$11M
Founders & team
Jim MillerChairman & CEO
Investors
Grantham Capital, TRITON FUNDS
Tech stack
WordpressMysqlPhpYoast SeoNginxCloudflare
#7
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.

LinkedIn Pulse recent public activity · Jul 2026
Audience: 7k LinkedIn followers — 2.3% of this cohort's audience
Activity: 2 partnerships (incl. Cotality) announced in 12 mo
Funding rounds
  • Sep 2021Series B$26M
  • Jun 2018Series A$8M
  • Nov 2017Seed$1M
  • May 2017Angel$1.8M
Founders & team
Craig StackCo-Founder Jeffrey McGregorCEO
Investors
M12, Adobe, Sony Innovation Fund, Hearst, Stone Point Capital, Dowling Capital Partners
Tech stack
AccessibeApple Icloud MailAtlassian StatuspageCdnjsCloudflareCloudflare Bot Management
#8
Series A · San Diego, California · founded 2015 · 2 employees
$35Mraised

Accel Robotics is developing AI-based automated checkout solutions for offline retailers. Its product, OMNIO uses computer vision techniques and provides solutions like security & loss prevention, analytics insights, customer engagement, and more. It uses overhead cameras to track what people pick up and automatically bills them as they leave the store. It caters to commercial spaces like retail stores, hospitality & entertainment sectors, and more.

Funding rounds
  • Oct 2019Series A$30M
  • Jun 2019Seed$550K
  • Jul 2018Seed$3.5M
  • Feb 2018Seed$900K
Founders & team
Brandon MasedaCo-Founder & CEO
Investors
RevTech Ventures, EvoNexus, New Ground Ventures, CVC JAPAN, SoftBank Group, GMO Venture Partners
Tech stack
PrismicNode.JsReactNext.JsVercelJsdelivr
#9
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.

Funding rounds
  • May 2007Series C$20M
  • Feb 2006Series B$5.2M
  • May 2002Series A$10M
Investors
Mission Ventures, Canaan, Trinity Ventures, Investor, Investor Growth Capital, Millennium Technology Value Partners
Tech stack
SitecoreMicrosoft Asp.NetVarnishRequirejsCloudflareRecaptcha
#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.

Funding rounds
  • Sep 2023Seed$350K
  • Jan 2022Seed$1.1M
  • Dec 2021Conventional Debt$500K
Founders & team
Sai RFounder & CEO
Tech stack
AdrollAdroll Cmp SystemAmazon SesAmazon Web ServicesAnimate.CssBeaver Builder
#11
Series A · San Diego, California · founded 2001 · 47 employees
$9.6Mraised

Provider of a semantic image analytics platform for enterprises and government. It offers software for data analytics and business intelligence. Its offering includes data accessibility, facial recognition, data interpretation, predictive analytics, workflow automation, report engines, and cognitive visualization. It uses computer vision, cognitive computing, and cloud technologies. It caters to military, government, banking, and logistic industries.

Funding rounds
  • Jun 2019Series A$4.5M
  • Dec 2018Series A$315.2K
  • Nov 2017Series A$4.2M
  • Jul 2016Seed$750K
Founders & team
Richard HarrisonCEO
Investors
Osage Venture Partners, InState Partners
Tech stack
AccessibeApache Http ServerBolt CmsBootstrapCloudflareCloudflare Bot Management
#12
Acquired · San Diego, California · founded 2004 · 4 employees
$17Mraised

Avaak developed Vuezone line of home video monitoring cameras, one of the first developers of completely wireless cameras, video from which can be accessed anywhere. Company was acquired by Netgear in 2012.

Funding rounds
  • Mar 2010Series B$10M
  • Oct 2008Series A$7M
  • 2004Seed
Investors
DARPA, Trinity Ventures, Leapfrog Ventures, InterWest Partners, Qualcomm Ventures

Funding & investor landscape

$1.6Btotal disclosed funding
20companies funded
100disclosed rounds
0rounds last 90 days
Most active investors
Dorm Room Fund2 rounds
EvoNexus2 rounds
Homebrew2 rounds
TRITON FUNDS2 rounds
Trinity Ventures2 rounds
APL Ventures1 rounds
ARK Investment Management1 rounds
Adit Ventures1 rounds
Adobe1 rounds
Advaita Capital1 rounds

Notable founders

Brandon Tseng
Co-Founder · Shield AI
Ryan Tseng
Co-Founder & Chief Strategy Officer & President · Shield AI
Kurt Martin
Co-Founder · Clearspeed
Alexander Martin
Co-Founder & CEO · Clearspeed
Jack Honeycutt
CEO · Decision Sciences
Dwight Johnson
Senior Advisor · Decision Sciences
Ed West
CEO · Mitek
Jim Miller
Chairman & CEO · ImageWare Systems
Craig Stack
Co-Founder · TRUEPIC
Jeffrey McGregor
CEO · TRUEPIC
Brandon Maseda
Co-Founder & CEO · Accel Robotics
Sai R
Founder & CEO · CamerEye
Prism market signals · United States · country-scoped Prism corpus, 1,285,329 docs

Market landscape — 10 sub-themes by coverage

Share of Security & Surveillance Technology coverage by sub-theme.

Regulatory-risk over time rising

Funding & growth over time

funding rising · growth rising

RESEARCH SIGNALS · United States

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.

research sentiment over time
200820172026
enthusiastic · positive · guarded tone
Tone is overwhelmingly optimistic and intensifying — the enthusiastic (strongly-positive) share moved 22% → 38% across 2008–2026.
top research entities
  • Purdue University West Lafayette85
  • Northeastern University82
  • Film Independent58
  • Georgia Institute of Technology46
  • DEVCOM Army Research Laboratory41
leading researchers
Crypto Education Research Lab · Ehab Al‐Shaer · Quanyan Zhu · Nathaniel D. Bastian · Freederia AI Researcher · Charles Kamhoua · Jin-Hee Cho · Guofei Gu
Breakthroughs1,292 · 40%
▲ 37%→45% share
▲1.2× share momentum0 median citations58% since 2021mostly methods-led
Breakthroughs are rising (37%→45% of field), led by Intrusion detection system.
rising sub-themes (early→recent)
  • Intrusion detection system94→301
  • Anomaly detection30→107
  • Key (lock)11→84
  • Internet of Things2→61
  • Artificial neural network2→57
Newly emergingAdversarial system 0→32 · Reinforcement learning 0→31 · Convolutional neural network 0→26
Landmark BotMiner: clustering analysis of network traffic for protocol- and structure-independent botnet detection · 1,021 cites
Advancements1,121 · 35%
▼ 36%→32% share
▼0.9× share momentum2 median citations48% since 2021mostly methods-led
Advancements are cooling (36%→32% of field), led by Intrusion detection system.
rising sub-themes (early→recent)
  • Intrusion detection system97→202
  • Artificial neural network3→47
  • Anomaly detection25→61
  • Internet of Things1→33
  • Support vector machine8→38
Newly emergingRandom forest 0→28 · Convolutional neural network 0→18 · Adversarial system 0→16
Landmark Machine Learning DDoS Detection for Consumer Internet of Things Devices · 628 cites
Concerns554 · 17%
▼ 18%→16% share
▼0.9× share momentum1 median citations49% since 2021mostly position pieces
Concerns are cooling (18%→16% of field), led by Key (lock).
rising sub-themes (early→recent)
  • Key (lock)6→39
  • Intrusion detection system13→45
  • Exploit9→30
  • Malware6→26
  • Adversarial system1→19
Newly emergingInternet of Things 0→16 · Resilience (materials science) 0→14 · Enhanced Data Rates for GSM Evolution 0→8
Landmark A Deep Learning Approach for Network Intrusion Detection System · 1,188 cites
RESEARCH HOTSPOTS · United States

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.

Boston107 · +0.58
Hot · Network securityAdvancing · Data miningOpportunity · Adversarial systemConcern · Computer security
New York52 · +0.53
Hot · SophisticationAdvancing · Intrusion detection systemOpportunity · Computer security modelConcern · Software
Atlanta47 · +0.57
Hot · Domain (mathematical analysis)Advancing · MalwareOpportunity · Cloud computingConcern · Computer network
Pittsburgh36 · +0.49
Hot · Computer securityAdvancing · AdversaryOpportunity · Data modelingConcern · Computer network
Los Angeles34 · +0.51
Hot · Game theoryAdvancing · AdversaryOpportunity · EncryptionConcern · Computer security
Philadelphia33 · +0.59
Hot · Software-defined networkingAdvancing · Distributed computingOpportunity · Anomaly detectionConcern · Network security
SF Bay Area31 · +0.56
Hot · Game theoryAdvancing · Resilience (materials science)Opportunity · Denial-of-service attackConcern · Computer security
Seattle21 · +0.56
Hot · Anomaly detectionAdvancing · Internet of ThingsOpportunity · Malware
Chicago21 · +0.46
Hot · Information securityAdvancing · Intrusion detection systemOpportunity · Key (lock)Concern · Computer security
Ann Arbor21 · +0.56
Hot · Software deploymentAdvancing · ExploitOpportunity · Cloud computing
PATENT SIGNAL · United States

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.

237,304 filings8,000 assigneespeak 26548/yr2016–2025
filing momentum (YoY 2016–2025)
top patent filers
  • IBM27110
  • Microsoft22601
  • Intel12666
  • Google8565
  • Qualcomm7612
  • Apple6755
  • Hewlett Packard Development5761
  • Capital One Services4646

Common questions

How many Security & Surveillance Technology companies are there in San Diego, United States?
Radar tracks 47 indexable Security & Surveillance Technology companies headquartered in San Diego, United States that meet our profile-completeness bar.
What is the total funding raised by Security & Surveillance Technology companies in San Diego, United States?
The Security & Surveillance Technology companies in San Diego, United States on this list have raised a combined $1.6B in disclosed equity funding across 20 funded companies.
Which is the highest-funded Security & Surveillance Technology company in San Diego, United States?
Shield AI is the highest-funded Security & Surveillance Technology company in San Diego, United States, with $930.2M in disclosed equity funding.
How many Security & Surveillance Technology companies in San Diego, United States are funded?
20 of the 47 Security & Surveillance Technology companies in San Diego, United States on this list have disclosed at least one equity funding round.
How many Security & Surveillance Technology unicorns are there in San Diego, United States?
1 Security & Surveillance Technology company in San Diego, United States on this list is valued at $1B or more.
Who are the top investors in San Diego, United States Security & Surveillance Technology companies?
The most active investors in San Diego, United States Security & Surveillance Technology companies on this list include Dorm Room Fund, EvoNexus, Homebrew, TRITON FUNDS, Trinity Ventures.
Riya SenguptaFinancials

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.

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