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Top San Diego, CA Security Companies (83)

Aerospace • Hardware • Information Technology • Security • Software • Cybersecurity • Defense
19 Offices
40,000 Employees

Improving the future and protecting lives is an ambitious mission, but it’s what we do. As a leading aerospace, defense, and security company, we work together to deliver a full range of products and services for air, land and naval forces, as well as advanced electronics, security, information technology solutions and customer support services. How we work, is rooted in purpose – a purpose to protect those who protect us, to unite our community of colleagues and customers, and to drive forward the growth and development of our exceptional team members. It's where purpose connects.


Security • Software • Cybersecurity • Automation
2 Offices
500 Employees

Trust, Automated. Drata automates your compliance journey from start to audit-read and beyond and provides support from the security and compliance experts who built it. The company is backed by ICONIQ Growth, Alkeon Capital, Salesforce Ventures, GGV Capital, Cowboy Ventures, Leaders Fund, Okta Ventures, SVCI, SV Angel, and many key industry leaders.


Aerospace • Payments • Security • Transportation • Cybersecurity
7 Offices
6,000 Employees

Cubic Corporation (Cubic) is an international provider of systems and solutions that address the mass transit and global defense markets.


Information Technology • Security
San Diego, California, USA
45 Employees

RSI Security is a cybersecurity-focused technology company that helps private and public sector organizations in highly regulated industries effectively manage risk. RSI Security provides cyber engineering, assessment, advisory services, and technical testing to amp up clients' security posture while mitigating business risk. We have experts for every cybersecurity and compliance need– PCIDSS, CMMC and NIST, MSSP, IT Security, HITRUST, HIPAA / HITECH, CCPA, GDPR, threat detection, security awareness training, and much more. Our team members come from diverse backgrounds and specialties. Our team members include published authors, open-source developers, industry researchers, and conference presenters. For more information, visit rsisecurity.com


Internet of Things • Security
3 Offices
119 Employees

HYPR is the leader in Passwordless Multi-factor Authentication (MFA). We protect workforce and customer identities with the highest level of assurance while enhancing the end users’ experience. Our approach shifts the economics of attack and risk in the enterprises' favor by replacing password-based MFA with Passwordless MFA. With HYPR, customers can finally enable cross-platform desktop MFA, stop phishing, and reduce fraud associated with weak or stolen passwords. Welcome to The Passwordless Company®. It’s time for Identity Access Assurance (IAA).


Security • Analytics • Cybersecurity
3 Offices
106 Employees

G2 Ops is a preferred provider of analytical and innovative solutions in the following areas: - Model-Based Systems Engineering - Cybersecurity Requirements, Analysis, and Threat Assessment - Cybersecurity Consulting Strategic vision: G2 Ops helps companies stay ahead of cyber crime and IT threats by identifying and measuring weaknesses before incidents occur, then providing remediation priorities based on individual business and financial risk thresholds.


Security • Software
San Diego, California, USA
54 Employees

Port80 Software is focusing on easy-to-use web application security and performance software for consultants and sys-admins alike.


Information Technology • Security
San Diego, California, USA
54 Employees

Infracore is a San Diego-based, Information Technology Consulting and Managed Services firm. Founded in 2003, Infracore takes a high-touch approach to providing end-to-end IT infrastructure support, systems management, network design & security, desktop support, and strategic decision guidance for mid-size, technology-centric companies. Here are some benefits of using our services: Agnostic We have made a business decision not to sell any hardware or software to our clients. This allows us to eliminate any biases toward a particular product or vendor. We have many time-tested partners in all areas of IT that we can leverage if there are no existing or reliable vendor relationships. We strongly believe that most IT failures are a direct result of poor implementation, not poor products. Control Operating Expenses In almost every case, our clients spend 25-50% less than the cost of hiring even one mid-level IT professional. These additional cost savings are realized as recruiting, training, vacation, sick days, turnover and other management issues are all taken out of the equation. With Infracore, IT costs are budgeted, planned and controlled. Reduce Downtime Even a few minutes of system downtime can carry enormous business costs. Maximizing uptime is critical. Our clients cannot afford issues with internet connectivity, email communications, corrupt data or systems failure- the cost of reacting to these events is just too high. Infracore offers planned, measured approaches to pro-active systems maintenance, security, backup and disaster recovery. In addition, Infracore provides monitoring and 24/7 response capabilities, reducing and often totally eliminating costly downtime.


Security • Software
3 Offices
55 Employees

Founded in 1999, Tagrem is a global eCommerce agency providing enterprise software, technology and digital marketing solutions to large and medium size organizations in the United States and around the world. Headquartered in San Diego, California, Tagrem serves its worldwide customer base from regional offices in Chicago Illinois, Toronto Canada, Pune India and Ho-Chi Minh City Vietnam. An Oracle® Gold Partner, Tagrem combines leading technology platforms with world class software development and cutting edge marketing services to provide unparalleled value to their customers. Tagrem recently launched the fourth version of the Indition™ Software Platform. Indition is a SAAS platform for building robust web based applications for business. In addition to custom applications, Tagrem has built and offers SAAS based Ecommerce, Customer Relationship Automation (CRA™), Customer Relationship Management and Content Marketing, which are ready out of the box. Tagrem is a fast growing company looking to partner or acquire complementary companies in the United States.


Big Data • Cloud • Security • Software
San Diego, California, USA
13 Employees

Predict and Prevent Attacks with Science. SaaS-based Cybersecurity platform hunts adversaries in the wild, protects you before they strike.


Information Technology • Security
San Diego, California, USA
5 Employees

Brainlike, Inc. is a technology company that delivers smart sensing solutions. The company focuses on improving decisions and saving money


Marketing Tech • Security
San Diego, California, USA
9 Employees

IMailTracking is a mail management firm that offers digital mail order that specializes in tracking, reports accuracy and accountability.


Hardware • Mobile • Security
San Diego, California, USA
99 Employees

Cel-Fi by Nextivity is a company that is a service booster authorized by the major phone companies.


Information Technology • Other • Professional Services • Security
4 Offices
601 Employees

Epsilon Systems, a San Diego-based veteran-owned business, is a diversified professional and technical services company. Founded in 1998, Epsilon Systems has been providing high-quality products and services to customers since its inception. Epsilon Systems has an international presence supporting the Department of Defense, Department of Energy, Department of the Interior, and Department of Homeland Security. Epsilon Systems sustained growth in size, capability, and reputation is a testament to Epsilon Systems’ focus on customer success, the dedication and competence of its employees and the strength of Epsilon Systems management team. Epsilon Systems serves its Government and industry clients through four business sectors and two subsidiaries: Mission Readiness Group - Barge Maintenance - Modernization, Repair & Maintenance - Repair & Maintenance Technical Services Group - Assessment & Readiness Mission Solutions Group - Engineering, Operations & Space - Environmental Management Services - Learning Solutions - Performance Assurance Products Group KAB Laboratories Epsilon Systems Partners, Inc.


Big Data • Security
San Diego, California, USA
1 Employees

Checkthem is a provider of comprehensive background check. We search billions of public records to provide accurate and trustworthy info.


Cloud • Information Technology • Security
San Diego, California, USA
60 Employees

The ever growing and constantly evolving world of technology creates endless possibilities for advancement that benefit individuals, businesses, and society. In addition to the obvious benefits technology affords us, new cyber threats continue to emerge that are growing and advancing just as rapidly. To properly safeguard your business requires the incorporation of a competent and innovative strategy that has the foresight to aptly protect you, your clients, and your enterprise from continuously evolving cybersecurity threats. At Triden Group, we strive to provide our clients with the most advanced, comprehensive, and up-to-date cyber security services & solutions available. We understand that every business is unique, and we work tirelessly to ensure that our clients receive the most advanced and effective protection possible, centered around their individual needs. Phone Number: (858) 712-0040 Email: [email protected]


Security • Software
San Diego, California, USA
3 Employees

S4Software is dedicated to developing and supporting an integrated set of system security management solutions


Hardware • Security
San Diego, California, USA
2 Employees

Odin Systems provides design engineering, wireless surveillance systems and scalable security solutions for individuals and businesses.


Information Technology • Security • Software
San Diego, California, USA
37 Employees

Trabus Technologies provides information technology services to public and private companies.


Information Technology • Security • Software
San Diego, California, USA
11 Employees

Crossflo Systems, Inc. provides data sharing solutions to the public sector. It offers DataExchange solution, a commercial off-the-shelf