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The Venture Codex

Silicon Valley CISO Investments

San Francisco, CA, United States

Overview

Silicon Valley CISO Investments (“SVCI”) is a group of Chief Information Security Officers (“CISO”) that operate as an angel investor syndicate. Founded in 2019, SVCI is already successfully pursuing its mission of fuelling the next generation of cybersecurity innovation. The group identifies promising startups, invests in them and leverages its members’ unmatched industry expertise to help the companies thrive.

Total investments
25
Lead investments
1
Investments · 12mo
4
Active investors
9

Sector focus

  • Business Development
  • Finance
  • Financial Services
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Investment portfolio

  • Act Security

    Participated · Series A · Jul 2026

    Act Security was founded by Jonathan Langer, Itay Kirshenbaum, Stephen Goldberg, and Ilai Fallach, the team behind medical-device security company Medigate. The startup is building a platform designed to protect cloud infrastructure and on-premise data centers from cyber threats. Drawing on the founders’ experience in safeguarding connected medical devices, the company aims to extend similar rigorous security to broader enterprise environments. Act Security is already staffed by about 30 employees. Since launching, the company has attracted significant investor interest, amassing $60 million across two rounds. This capital positions the young firm to continue expanding its technology and team as it brings its platform to market.

  • Beacon Security

    Participated · Seed · Jul 2026

    Beacon provides an AI-native security platform centered on a data layer that normalizes, enriches, and pre-resolves telemetry across vendors to deliver clean, contextualized security data. The platform includes a library of production-ready Beacon Agents tuned by offensive-security and nation-state veterans and an open harness that lets defenders run, control, build, and analyze agentic workflows. Beacon's capabilities span data operations, posture monitoring, detection engineering, investigation support, and shadow-AI analysis, with more agents planned. The company reported over 300% ARR growth in H1 2026 and says it is deployed across dozens of enterprises, including Fortune 500 teams in highly regulated industries. Founded in 2024 by veterans of intelligence, offensive security, and enterprise data infrastructure, Beacon positions itself as the foundational context layer for human and autonomous defenders.

  • Clover Security

    Participated · Equity · Nov 2025

    Clover Security develops AI-driven security tools designed to detect and respond to cyber threats. The company recently entered a strategic partnership with ServiceNow, which included an investment and plans to integrate Clover’s tools into ServiceNow’s enterprise software platform. This integration is positioned to expand Clover’s enterprise reach through ServiceNow’s customer base. The articles do not provide information on revenue, users, founding year, or prior funding. The announced deal emphasizes technology integration and commercial collaboration as near-term priorities.

  • Terra Security

    Participated · Series A · Sep 2025

    Founded in 2024 in Tel Aviv by CEO Shahar Peled and CTO Gal Malachi, Terra Security delivers the first agentic-AI-powered continuous penetration testing platform. The product coordinates a swarm of fine-tuned AI agents, guided by expert human oversight, to run exploit-driven assessments that mirror real-world risks. Its human-in-the-loop design generates scalable, business-context-aware tests, enabling security teams to focus on remediating their most critical vulnerabilities. Terra already serves major enterprise customers, including Fortune 500 companies, and operates teams in both Israel and the United States. The company raised $30 million in Series A funding and plans to deploy the capital to expand hiring, advance its AI agent capabilities, and drive further customer adoption. To date, the Series A represents the entirety of its disclosed funding. No revenue or user metrics were provided in the article.

  • Echo

    Participated · Seed · Jul 2025

    Echo builds an AI-native operating system layer for cloud workloads by supplying CVE-free container base images that are reconstructed from scratch with only essential components. Proprietary AI agents autonomously research new vulnerabilities, generate patches, and maintain a catalog of more than 600 hardened images, allowing a 35-person team to cover work that would traditionally require hundreds of engineers. Enterprises such as Varonis, EDB, and UiPath already run production workloads on Echo images, gaining drop-in replacements for standard Docker assets that typically carry thousands of vulnerabilities. The founders, Eilon Elhadad and Eylam Milner, previously sold supply-chain-security startup Argon to Aqua Security for $100 million and have roots in Israel’s elite Unit 8200. Echo positions its platform as the secure foundation for the growing wave of AI-generated code and the accelerating AI-driven threat landscape. To date, the company has raised $50 million in venture funding, most recently adding a $35 million Series A round. The company operates out of New York and intends to scale its secure-by-design image catalog and expand enterprise adoption.

Team