Top California Cybersecurity Startups (168)

Since our founding in 2003 in Los Angeles, California, we’ve spent the last twenty years building on our expertise as trusted technology advisers and vendors for the media & entertainment, and architecture industries. Our staff of technology specialists and VFX pipeline engineers are known for their innovative approach to problem-solving and trusted for their expertise in architecting client-centric production...

RSA Conference is the premier series of global events and year-round learning for the cybersecurity community. RSAC is where the security industry converges to discuss current and future concerns and have access to the experts, unbiased content and ideas that help enable individuals and companies advance their cybersecurity posture and build stronger and smarter teams. Both in-person and online, RSAC...

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...

Valence enables security teams to find and fix SaaS risks. As SaaS complexity and distributed management present security challenges, the Valence SaaS security platform provides unparalleled and actionable insights into configuration, identity, data, SaaS-to-SaaS integration, and GenAI risks. The Valence platform offers comprehensive SaaS security posture management (SSPM), risk remediation, and identity threat detection and response (ITDR). Valence’s unique remediation...

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.

Kivu combines technical and legal expertise to deliver investigative, discovery and forensic solutions worldwide. Kivu’s digital forensic investigators are experienced in protecting organizations against compromise of data, theft of trade secrets and unauthorized access to data. Our qualifications include forensic certifications (Encase Certified EnCE, SANS GCIH Incident Handlers, Certified Ethical Hackers, and reverse malware experts); IT certifications (Certified Information Systems...

No more legacy SIEM. Time for a Modern approach. Democratize security across your hybrid, multi-cloud, and other data lakes. Anvilogic is an AI-Driven SOC platform for threat detection and incident response that helps to unify and automate security operations across people, processes, and technology enabling security teams to reduce the time, manual effort, complexity, and expertise needed for building detections and...

Protect your business-critical applications by mitigating threats and reducing risk with Obsidian, the first truly comprehensive security solution for SaaS. The company is backed by Greylock Partners, Wing, GV and Norwest Venture Partners.

The Opal security platform, backed by Greylock, enables organizations to implement least privilege at scale. Through a combination of insights and workflows, Opal decentralizes access management away from overburdened teams. Without using agents or proxies, Opal is deployed on-premise and cloud in minutes. Opal is based in San Francisco and New York. For more information, please visit www.opal.dev or reach...

Proficio is a world-class Managed Security Service Provider (MSSP) providing managed detection and response solutions, 24×7 security monitoring and advanced data breach prevention services to organizations globally. Our rapid growth is being fueled by the rise in cloud-based services, the acceptance of the Software-as-a-Service (SaaS) model, and the increasing number of cyber security attacks on businesses, hospitals and government. We...

Cerby is the only identity security platform built for disconnected apps, providing IT and Security teams with full control over apps that lack APIs or support for protocols like SAML or SCIM. Seamlessly integrating with your central identity provider, Cerby extends critical security automations—such as SSO, MFA, and lifecycle management—to any app without incurring the costly “SSO tax.” With Cerby,...

Rebel Space Technologies is a space and cybersecurity company developing autonomous threat recognition and response software for wireless communication networks. Our mission is to protect and optimize networks with intelligent systems, securing humanity's hyper-connected infrastructure from Earth to deep space.

DuploCloud offers an end-to-end DevOps software platform for dev teams that don’t have dedicated DevOps engineers and augments those that do. The platform automates the provisioning of your application to the cloud (AWS, GCP, Azure), integrating cloud ops, DevOps, and security/compliance with 24x7 monitoring and support. The software runs in your cloud account and is accessed thru our UI, Terraform...

As the global leader for insider risk management, DTEX empowers organizations to prevent data loss and support a trusted workforce by stopping insider risks from becoming insider threats. Its InTERCEPT™ platform consolidates the essential elements of DLP, UBA and UAM in a single light-weight platform to detect and mitigate insider risks well before data loss occurs. Combining AI/ML with behavioral...

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.

Harmonic Security lets your teams adopt AI tools safely by protecting sensitive data in real time with minimal effort. It gives you full control and stops leaks so your teams can innovate confidently. Recognized as an RSA Innovation Sandbox finalist in 2024, Harmonic Security redefines data protection for the GenAI era.

Tempest is an online privacy company which seeks to increase privacy and data security for all Internet users. Founded in 2019 by entrepreneurs Michael Levit and Sean Murphy, Tempest has built a portfolio of privacy products including a Tempest Search and Tempest Browser. It also plans to expand its product range, ensuring user safety across every touchpoint online. With operations...

RealDefense develops and markets consumer and enterprise privacy and security applications and services.

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.

Horizon3.ai's mission is to help you find and fix attack vectors before attackers can exploit them. NodeZero, our autonomous penetration testing solution, enables organizations to continuously assess the security posture of their enterprise, including external, identity, on-prem, IoT, and cloud attack surfaces. Like APTs, ransomware, and other threat actors, our algorithms discover and fingerprint your attack surface, identifying the ways...