Rain Capital

Rain Capital is a venture capital firm founded in 2017 and based in San Francisco, California. The firm specializes in direct investments in early and late-stage companies, focusing primarily on transformative technologies within the cybersecurity, artificial intelligence, and analytics sectors. Rain Capital seeks to partner with ambitious founders who aim to innovate and challenge existing norms. By providing strategic support, Rain Capital assists these entrepreneurs in refining their vision, achieving product-market fit, and scaling their businesses effectively. The firm primarily targets investments in California, emphasizing its commitment to supporting local innovation.

Charisee Castagnoli

Venture Partner

David Cross

Venture Partner

Jamie Lewis

Venture Partner

Chenxi Wang

General Partner and Founder

14 past transactions

Ox Security

Seed Round in 2022
Ox Security is the first end-to-end security solution to prevent attacks across your software. supply chain.

Seemplicity

Seed Round in 2022
Seemplicity is a technology company that specializes in risk reduction and productivity solutions for security teams. Its platform consolidates and automates remediation activities into a single workspace, enhancing the efficiency and effectiveness of security workflows. By streamlining the remediation process, Seemplicity supports developers, DevOps, and IT professionals in achieving operational resilience and scaling security efforts across organizations. The company’s technology simplifies risk management, reduces manual tasks, and enables rapid progress in addressing security vulnerabilities, ultimately transforming how organizations manage their security programs.

Seemplicity

Series A in 2022
Seemplicity is a technology company that specializes in risk reduction and productivity solutions for security teams. Its platform consolidates and automates remediation activities into a single workspace, enhancing the efficiency and effectiveness of security workflows. By streamlining the remediation process, Seemplicity supports developers, DevOps, and IT professionals in achieving operational resilience and scaling security efforts across organizations. The company’s technology simplifies risk management, reduces manual tasks, and enables rapid progress in addressing security vulnerabilities, ultimately transforming how organizations manage their security programs.

Permiso

Seed Round in 2022
Developer of a cloud security software designed to detect threats in the cloud interface. The company's software gives a library of detection signals that feed into the unified threat prevention, detection, and response platform to provide unprecedented visibility into the cloud environments, it creates a single pane of glass for identities across IdPs, IaaS, PaaS, SaaS, and CI/CD pipelines to find the riskiest actors in your environments and detect malicious or suspicious activity even when it crosses authentication or technology boundaries, enabling businesses to grow while being protected.

Living Security

Series B in 2021
At Living Security, we believe that end users are the most important asset and least leveraged opportunity for preventing cybersecurity breaches in the enterprise. Leveraging employees, a scientific Cybersecurity approach to analyzing Human Risk factors, a ground-breaking approach to Human Risk Management, and the ability to measure its effectiveness and ROI, Living Security creates proven, lasting change that helps prevent Cybersecurity breaches for the enterprise.

ProjectDiscovery

Seed Round in 2021
Operator of a remote-first open-source software company intended to simplify security operations for hackers and developers. The company offers powerful and simplified attack surface management based on its open-source stack, enabling users to make complex security processes more visible and accessible in a simpler manner that can easily be integrated into their workflow.

JupiterOne

Series A in 2020
JupiterOne, Inc. develops cloud-based cybersecurity asset management and automation software aimed at enhancing the security and compliance of organizations' cloud infrastructures. Founded in 2018 and headquartered in Morrisville, North Carolina, with additional offices in Charlotte, Salt Lake City, and Seattle, the company provides tools for chief information security officers and security operations teams to automate asset discovery, visibility, and compliance. Its primary offering, the JupiterOne software, facilitates risk analysis, vulnerability management, threat hunting, and incident response through continuous data aggregation and relationship modeling of cyber assets. Additionally, the JupiterOne Insights application allows users to create customized reporting dashboards and visualizations for monitoring code commits and repository activities. JupiterOne operates as a subsidiary of LifeOmic Security, LLC.

Mitiga

Seed Round in 2020
Mitiga, Ltd designs, develops, and offers hybrid managed security services for hybrid cloud environments. The company's solution includes managed services for email, endpoints, network, cloud attacks, database info, and website. The company's services includes incident response, breach readiness, and emergency assitance. The company is based in Tel Aviv-Yafo, Israel.

Living Security

Series A in 2020
At Living Security, we believe that end users are the most important asset and least leveraged opportunity for preventing cybersecurity breaches in the enterprise. Leveraging employees, a scientific Cybersecurity approach to analyzing Human Risk factors, a ground-breaking approach to Human Risk Management, and the ability to measure its effectiveness and ROI, Living Security creates proven, lasting change that helps prevent Cybersecurity breaches for the enterprise.

Layer 9

Seed Round in 2019
Developer of a microservices diagnosability application designed to track services and data stores. The company's application provides service-level visibility of client systems with metrics via a microservice catalog, dependency graph, schema changes, and errors, thereby enabling clients to reduce their downtime by diagnosing problems in complex modern stacks.

Bolster AI

Series A in 2019
Bolster Inc. is a company that specializes in artificial intelligence and machine learning-based fraud prevention solutions aimed at protecting brands from online scams and account takeovers. Founded in 2017 and headquartered in Los Altos, California, Bolster offers a suite of products including Online Customer Protection, which provides detection, automated takedown, continuous monitoring, and threat intelligence; Online Fraud Prevention, which identifies victims and scammers while providing tools for analyzing phishing kits and fraudulent sites; and a Real-Time Detection API that addresses various types of online fraud. The company's technology integrates seamlessly into existing systems and is designed to scale effectively, targeting diverse fraudulent activities such as counterfeit websites, fake products, phishing emails, and scams across sectors like finance, technology, retail, and e-commerce. Originally known as RedMarlin, Inc., Bolster changed its name in April 2020 to reflect its focus on safeguarding brands in the digital landscape.

Tetrate

Series A in 2019
Tetrate, founded in 2017 and based in San Francisco, California, specializes in application management for hybrid and multi-cloud environments. The company provides an enterprise-ready service mesh platform that simplifies the management of modern cloud application infrastructure. Tetrate partners with enterprises to support their app modernization efforts, offering solutions that enable seamless operation of microservices across diverse workloads and environments. This platform is designed to assist DevOps, security, and network administrators in navigating the complexities of contemporary cloud architectures, ultimately facilitating the adoption of microservices and enhancing the transition to public cloud solutions.

Capsule8

Series B in 2018
Capsule8, founded in 2016 and based in New York, specializes in cyber protection for Linux systems across various environments, including containerized, virtualized, and bare metal setups. The company offers Capsule8 Protect, a cutting-edge platform designed to detect and mitigate attacks and other malicious activities on Linux infrastructures in real-time. This solution enables enterprises to maintain security and resilience without human intervention, allowing them to modernize their operations while safeguarding against zero-day attacks. Backed by prominent investors such as Bessemer Venture Partners, ClearSky, and Intel Capital, Capsule8 aims to redefine enterprise protection for Linux-powered businesses.

Altitude Networks

Seed Round in 2018
Altitude Networks, Inc, a cloud computing firm, provides security solutions for containerized, virtual, and traditional systems. The company was founded in 2018 and is based in San Francisco, California.
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