Top California Cybersecurity Startups (166)

With our feet firmly planted on San Francisco bedrock — we’ve got our eyes set on our North Star: Ushering in a new era of where enterprises are free to embrace data safely with clarity, control, and confidence. Powered by the industry’s only AI Reasoning (AIR) Engine, Bedrock automatically understands what is most material to enterprises to protect their most...

The Spec platform empowers businesses to secure their customer journeys, overtake bad actors, and reward every good customer with a trusted online experience. Spec collects rich user session data in real time, enabling continuous and secure threat monitoring without reliance on tamper-prone JavaScript tracking tags. When attacks are detected, workflows are automatically triggered to remediate the issue before the user...

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,...

MixMode is a no-rules-required Cybersecurity platform, serving large enterprises with big data environments across a variety of industries. MixMode delivers a patented, self-learning platform that acts as the Cybersecurity Intelligence Layer℠ to detect both known and unknown attacks, including novel attacks designed to bypass legacy cyber defenses. This is accomplished in real-time, across any cloud or on-premise data stream. Trusted...

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...

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...

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

Did you know that global cyberattacks have increased upto 32% year over year and enterprises now deploy 75+ cybersecurity related tools on their networks just to keep pace with the increasing complexity and frequency of attacks. But even with the huge investment in security tools, 61% of organizations have difficulty prioritizing cyber risk-reduction efforts due to a shortage of talent...

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...

In today's world, most successful cyberattacks start by a human failure. We're making the platform that makes it easy to prepare your employees for cyberattacks, in a way they love.

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...

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.

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...

Cowbell Cyber is the leading provider of cyber insurance for small and medium-sized enterprises (SMEs). Cowbell delivers standalone cyber coverage tailored to the unique needs of each business. Our innovative approach relies on AI for continuous risk assessment and continuous underwriting while delivering policyholders a closed-loop approach to risk management with risk prevention, risk mitigation, incident preparedness and response services.

Release the Cracken. Defend what matters. Cracken is the first Red-AI Copilot built for real offense, not an ordinary CNAPP or endpoint security. We arm defenders with nation-state grade attack logic at machine speed, under full human command. Not black boxes. No fluff. Born on the hardest frontlines of cyber conflict -- Ukraine, US, EU -- Cracken is built by...

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,...

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...

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...

We believe cyber risk management has evolved from an IT problem into a business problem. Because of this shift, security executives must adapt how they communicate risk to the board. But since risk is hard to frame in the context of a business initiative, security executives need help putting risk into business terms that the board can use to make...

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....