Top California Security Startups (271)

Cobalt’s Pentest as a Service (PtaaS) platform is modernizing traditional pentesting. By combining a SaaS platform with an exclusive community of testers, we deliver the real-time insights you need to remediate risk quickly and innovate securely.

Radiant Security is a SecOps platform that enables the SOC to leverage the power of AI to streamline and automate analyst workflows. This dramatically boosts SOC analyst productivity, detects significantly more real attacks by deeply investigating every incident, and drastically reduces response times. Radiant’s AI-powered SOC co-pilot automates alert triage and incident investigation to provide unlimited capacity and to detect...

Dedrone is a leader in airspace security. With more customers around the world than any other airspace security company, we enable our clients to protect people, property, and information from the threat of drones, while enabling the “good” drones to take off (pun intended). The simple fact is that no security company can build a barrier strong enough or high...

From lights, music, climate, security, and doorbells to whatever comes next, Brilliant makes interacting with all of your smart devices simple by building controls that are easy for everyone to access and use right in the walls of your home. Our first product, the Brilliant Smart Home Control replaces any existing light switch to give you touch and voice control over...

Palomar Display Products is recognized as a leader in the development and integration of displays and computer systems for demanding applications used in harsh environments. Our products are utilized in mission critical military tracked and wheeled vehicles and on platforms that demand the highest visual and operational performance. The Palomar family of Military Specialized Displays are used on a variety of...

tCell is a Next-Gen Cloud WAF designed to protect applications, APIs, and microservices where they are most vulnerable. tCell’s technology provides unparalleled visibility into application behavior, dramatically reducing false positives, protecting applications from attacks and providing actionable data to prevent future attacks. Best suited for CI/CD pipelines, tCell’s flexible deployment models enable Security and DevOps organizations to deploy industry-leading security...

Adversaries across the globe, from nation-states to criminal organizations, hold our businesses, democracy, and society at risk through cyberspace. Our mission at AttackIQ is to help solve that problem and make the world safe for compute. As the leading independent vendor of breach and attack simulation solutions, we built the industry’s first Security Optimization Platform for continuous security control validation and...

Proactive mobile security that makes you, your customers, organization, and employees feel safe and secure. We enable airtight mobile security solutions, all delivered with a light touch – perfect for the privacy needed in the work and live anywhere world. Find out what it means to be Quokka Secure.

InCountry is a global data compliance company supporting SaaS and Multi-National companies with Data Residency-as-a-Service.

Threatrix provides unique developer-focused solutions to the most pressing open source, supply chain and cybersecurity risks.

Finjan Holdings (NASDAQ:FNJN), founded in 1996, is a technology company committed to enabling innovation. The Company’s engineers and developers’ pioneered behavior-based, real-time detection of online threats by identifying patterns and expected behavior of code and content rather than relying solely on “signatures” of existing and already known threats. Having such valuable assets, we have invested considerable time, effort and resources to...

Awake Security is the only advanced network detection and response company that delivers answers, not alerts. By combining artificial intelligence with human expertise, Awake models and hunts for both insider and external attacker behaviors, while providing autonomous triage and response with full forensics across traditional, IoT and cloud networks. The platform performs deep data parsing including encrypted traffic analysis, making...

Theta Lake’s multi-award winning product suite provides compliance and security for modern collaboration platforms, utilizing over 40 frictionless partner integrations that include Webex by Cisco, Microsoft Teams, RingCentral, Slack, Zoom, and more. Theta Lake can capture, compliantly archive, and act as an archive connector for existing archives of record for video, voice, and chat collaboration systems. In addition to comprehensive...

PerimeterX is a cyber security company that prevents automated web and mobile application attacks by detecting & protecting against malicious web behavior. To separate the actions of bots from those of normal users, PerimeterX uses artificial intelligence & machine learning to identify behaviors that are unlikely to represent human actions. This be

Introducing the world’s only software TEE security platform for mobile and IoT devices, delivering hardware-grade protection without the complexity and constraints.

Pangea is a well-funded, product-led startup whose mission is to deliver a collection of security services and APIs specifically for application builders. We're hiring talented software engineers to build a collection of cloud-agnostic security services. Engineers who are passionate about innovating in the security space and driven to deliver exceptional product experiences for developers are an ideal fit for Pangea.

DDoS Protection from a Partner You Can Trust. Founded in 2008, Nexusguard is a leading cloud-based distributed denial of service (DDoS) security solution provider fighting malicious internet attacks. Nexusguard ensures uninterrupted internet service, visibility, optimization and performance. Nexusguard is focused on developing and providing the best cybersecurity solution for every client across a range of industries with specific business and...

Lumos is the first internal AppStore for companies. With Lumos, employees are more productive and your enterprise is more compliant with self-service app requests, access reviews, and license management. The result: employees go to their Company AppStore and ask for app and permission access. IT and security can control who can request which apps, perform access reviews, and automate access creation....

Data Net offers IT solutions such as managed IT services, outsourcing, infrastructure support, network security, and cloud computing.

Valus Security is a leading multi-layer security firm committed to providing unparalleled protection for your properties, family, and corporate interests. Our expertise extends beyond traditional security measures, encompassing executive protection, cutting-edge cybersecurity solutions, and comprehensive corporate security strategies. We understand the complexities of modern security threats and respond with a robust, multi-faceted approach designed to safeguard against a range of...