Top California Cybersecurity Startups (170)

DataVisor is a leading AI-Powered fraud and risk management platform that enables organizations to respond to fast-evolving cyber attacks and mitigate risks as they happen in real time. Our mission is to protect large consumer facing enterprises protect their business and their customers from digital threats and restore trust and safety online. DataVisor is venture-backed by New View Capital and...

Adaptive is a next-generation cybersecurity platform. We're working with pioneering security teams to protect critical systems from AI-powered cyber attacks. Our customers today include one of the largest payment aggregators in the United States, hedge funds and private equity firms, regional and national banks, leading technology companies, and critical healthcare systems. Join us in building the future of cybersecurity.

Open Source has become the critical supplier for modern software companies, changing everything about how people think about their code. FOSSA builds the infrastructure for modern teams to be successful with open source. FOSSA's flagship product helps teams track the open source used in their code and automate license scanning and compliance. Since then, over 7,000 open source projects (Kubernetes, Webpack,...

Twenty builds cyber technologies that protect democracies worldwide, developing revolutionary technologies that operate at the intersection of the cyber and electromagnetic domains.

CUJO AI is the global leader of cutting-edge cybersecurity and network intelligence solutions that enable network operators globally to improve the digital life protection of their customers in and outside the home. By pioneering AI-powered cybersecurity and empowering a growing ecosystem of OEM partners, CUJO AI helps major ISPs around the world to protect their subscribers. Mobile and fixed network operators...

Metalware helps protect cyber-physical systems in critical industries. We develop advanced firmware analysis and security solutions for industries where failure isn’t an option.

AttackIQ is the industry’s leading Continuous Threat Exposure Management (CTEM) platform, enabling organizations to measure true exposure, prioritize risk, and disrupt real-world attack paths. It provides a global enterprise security validation platform for proactive cyber threat response.

Socket is a cybersecurity platform that protects companies from software supply chain attacks. Companies use Socket to protect their software applications and critical services from malware and security threats originating in open source code.

The Abnormal Security platform protects enterprises from targeted email attacks. Abnormal Behavior Technology (ABX) models the identity of both employees and external senders, profiles relationships and analyzes email content to stop attacks that lead to account takeover, financial damage and organizational mistrust. Though one-click, API-based Office 365 and G Suite integration, Abnormal sets up in minutes and does not disrupt...

Organizations of all sizes use AISLE to autonomously discover and remediate critical vulnerabilities at superhuman speed and depth. We secure the entire software stack — from operating systems, libraries, and protocols to the application layer — so teams can build, deploy, and innovate faster and more securely.

Industry’s first Real-time Attack Interception and Defense Platform built to deterministically detect and stop attackers navigating your infrastructure.

Founded in 2005, our services include product development, delivering next-generation digital solutions; cyber security, helping teams protect against emerging cyber threats; and artificial intelligence, unlocking the potential of your data and people.

Red Cup IT is an enterprise-grade IT firm that provides MSP, MSSP, Project Delivery, and Skill Augmentation solutions. We have been in business for twelve years and support clients across the United States. Our hallmark is the delivery of skillsets in more than 100 IT solutions and SaaS applications. Red Cup IT’s technical staff constantly cross-train across their specializations. Our...

Galvanick helps companies secure their industrial operations and minimize cyber risk. Our platform collects telemetry from across our clients' industrial environments to analyze, correlate, and detect malicious behavior. Concerned about cyber threats to your industrial infrastructure and operations? Contact us at [email protected]

Identify company-owned devices with ease with Smallstep. Ensure that access to financial data, code repositories, PII, SaaS apps, and other sensitive resources is only possible from trusted, company-managed devices.

California-based organizations hire Endsight to ensure that their technology systems operate effectively and align with their business goals. They rely on our award-winning helpdesk support, secure environment, and strategic guidance to thrive. From the help desk specialists to technical account managers, and project managers, Endsight's team collaborates to provide comprehensive IT support to small and mid-sized businesses. In the realm...

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.

Secureframe is the leading, all-in-one compliance automation platform that helps companies achieve and maintain compliance with the most rigorous frameworks including CMMC, FedRAMP 20x, SOC 2, ISO 27001, and HIPAA.

System Two Security automates detection engineering and threat hunting. Leveraging the latest advances in AI, System Two creates custom agents and models to simplify and accelerate handling emergent threats, managing detection lifecycles, and optimizing rules for detecting adversaries faster.

DuploCloud is the AI-native DevOps platform that gives engineering teams an always-on AI DevOps Engineer to handle the operational work slowing them down. Running inside AWS, GCP, or Azure environments, DuploCloud automates the full infrastructure lifecycle, from provisioning and CI/CD to security, compliance, and day-to-day operations, so teams move faster without adding headcount. Where personalized coding agents make individual engineers...