# Cyber Mentor Fund

> Cyber Mentor Fund is a VC fund backing Cyber Security and Network Security. See 30 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: VC Fund
- Location: San Mateo, United States
- Total investments: 30
- Last investment: May 2024
- Lead investor: 10%
- Fund size: $12M
- Last fund: Oct 2019
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/company/cyber-mentor-fund
- X (Twitter): https://twitter.com/cybermentorfund
- Website: https://cybermentorfund.com/

Cyber Mentor Fund is a venture fund focusing on cybersecurity companies The venture fund focused Mentorship Fund has built the most non-traditional, insightful, and tenacious product for cybersecurity founders to fulfill their radical missions. They dedicate the money, time, and expertise to their portfolio companies.Cyber Mentor Fund offersopportunities for its portfolio companies to operate in live customer ecosystems at the earliest stages. The company's mission is to invest in companies where we and our network of mentors and advisors can make the most difference.Cyber Mentor Fund was founded in 2018 and is headquartered in San Mateo, CA, USA.

## Contacts

5 contacts available for Cyber Mentor Fund. Shizune tracks 6 team members at Cyber Mentor Fund. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-team-emails/cyber-mentor-fund?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Cyber Security | 15 | 50% |
| Network Security | 11 | 37% |
| Information Technology | 9 | 30% |
| Security | 7 | 23% |
| Software | 6 | 20% |

32 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 12 | 40% |
| Series A | 12 | 40% |
| Series B | 4 | 13% |
| Pre-Seed | 1 | 3% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 21 | 70% |
| Canada | 4 | 13% |

## Team

| Name | Title | Investments | Profile |
| --- | --- | --- | --- |
| Joe Eandi | General Partner and Co-Founder | 1 | — |
| Bob Kruse | Investor, Advisor | 0 | — |
| David Melnick | Investor, Advisor | 0 | — |
| Mark Weatherford | Limited Partner | 2 | — |
| Seth Robbins | Investor | 0 | — |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Insane Cyber | Insane Cyber is an industrial cybersecurity company that employs automation to protect critical infrastructure and operations in energy, data centers, government, oil and gas, and other industries. | $4.2M | Seed | May 01, 2024 |  |
| LeakSignal | With the sprawl of microservice and service mesh technologies (e.g. Kubernetes), organizations are at risk of sensitive data exposure through APIs, serverless technologies, and legacy application logic. Most believe they have visibility into this new ecosystem, but the reality is few if any know who is accessing sensitive data or how it’s beingemitted. Companies with multi-year records of keeping customer data safe are now in headlines:. Uber, Twilio, Peloton, Okta - just to name a few. Legacy security defenses are incapable of protecting the data plane within microservices. That's what LeakSignal provides: observability, defense, and remediation for the New Shadow IT. | $1.6M | Seed | Mar 21, 2024 |  |
| Upfort | Upfort is a cyber security and insurance platform that offers comprehensive protection to SMEs against evolving cyber threats. It allows organizations to fully address their cyber security needs–from risk management tools to insurance policies–through one easy-to-use platform. Its software provides phishing simulation, public Wi-Fi protection,inbox protection, password management, and cyber liability insurance. | $8M | Series A | Oct 26, 2023 |  |
| Discern Security | Discern Security develops artificial intelligence software that helps organizations assess, prioritize, and remediate cybersecurity risks across enterprise environments. The company's platform integrates with security tools to consolidate posture, configuration, asset, identity, vulnerability, and compliance data into a unified operationalview for security teams. Its technology provides AI-powered analysis, risk prioritization, automated security controls assessment, remediation workflows, policy management, and security dashboards that support continuous monitoring and operational decision-making.Discern Security also offers autonomous AI agents that assist with posture evaluation, remediation planning, workflow orchestration, reporting, and cross-platform security management while maintaining governance and auditability. The company's platform is designed to help security teams improve visibility, automate routine security operations, optimize existing security controls, and manage cyber risk across cloud, endpoint, identity, email, and software-as-a-service environments. | $3M | Seed | Sep 19, 2023 |  |
| Fenix24 | Fenix24 is a part of the Conversant Group family of companies that focuses on post-incident disaster recovery and restoration. The company was founded in 2022 and is headquartered in Chattanooga, Tennessee. | $5M | Seed | Mar 16, 2023 |  |
| DataTrails | Jitsuin built RKVST; a service for developers to continuously prove who did what when which brings confidence in critical business decisions. RKVST delivers provenance, governance, and immutability to prove the trustworthiness of shared data from a single line of code. We envision a world where we assure resilience for critical decisions in digitaloperations done right.Our mission is to enable developers with tools and services to build verifiable digital trust between organizations. Visit https://rkvst.com to learn more | $7.5M | Series A | Sep 14, 2022 |  |
| SynSaber | SynSaber is the industrial asset and network monitoring solution that provides continuous insight into status, vulnerabilities, and threats, enabling operators to more effectively see, know, and take action to defend industrial systems and protect critical infrastructure. Overcome industrial threats. Defend with laser precision. Navigate yoursecurity quest with confidence. | $13M | Series A | Aug 18, 2022 |  |
| Spec | SpecTrust protects businesses from emerging identity abuse and fraud threats. Its platform offers code-free integration, identity risk management, fraud detection, onboarding management, compliance management, authentication management, policy and strategy, and investigations management that enable businesses to effectively scan, detect, andmitigate consumer identity abuse. | $4.5M | Seed | Aug 03, 2022 |  |
| Tailscale | Tailscale develops a software-defined networking platform that simplifies the creation of secure private networks using the WireGuard protocol. Its solution enables devices to connect directly through peer-to-peer mesh networking, reducing latency and eliminating the need for traditional VPN configurations. The platform integrates with existingidentity providers, allowing for streamlined user authentication and access control. Tailscale supports various operating systems, including Windows, macOS, Linux, Android, and iOS, and offers compatibility with cloud services and Kubernetes environments. The company emphasizes ease of use and scalability, catering to teams and organizations seeking straightforward network security solutions. Tailscale builds on top of WireGuard’s Noise protocol encryption, a peer-reviewed and trusted standard. Their vision is to remove overhead and complexity from this long tail of software and operational problems that people face every day. | $100M | Series B | May 04, 2022 |  |
| Enveil | Enveil uses homomorphic crypto to protect data interactions including search and analytic. The company allows enterprises to securely operate on both encrypted and unencrypted data in the Cloud, on-prem, or anywhere in between. Users can interact with data at scale in a completely private and secure manner, opening the door to untappedopportunities.Enveil was founded by Ellison Anne Williams in 2016 and it is headquartered in Fulton, Maryland. | $25M | Series B | Apr 27, 2022 |  |

10 of 30 investments shown.

## Co-investors
- [Rally Ventures](https://shizune.co/investors/profile/rally-ventures) — VC Fund, 5 deals together
- [ClearSky](https://shizune.co/investors/profile/clear-sky) — VC Fund, 4 deals together
- [Dreamit Ventures](https://shizune.co/investors/profile/dreamit-ventures) — VC Fund, 4 deals together
- [Trajectory Ventures](https://shizune.co/investors/profile/trajectory-ventures) — VC Fund, 4 deals together
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund, 3 deals together
- [C5 Capital](https://shizune.co/investors/profile/c5-capital) — VC Fund, 3 deals together

## Similar investors

### Similar stage
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund
- [Right Side Capital Management](https://shizune.co/investors/profile/right-side-capital-management) — VC Fund

## FAQ

### What does Cyber Mentor Fund invest in?

Cyber Mentor Fund invests primarily in Cyber Security, Network Security and Information Technology startups, most often at Seed and Series A stage. Most of the 30 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### How do I contact Cyber Mentor Fund?

Public channels for Cyber Mentor Fund include LinkedIn, X (Twitter) and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.

### Who are the partners at Cyber Mentor Fund?

The team at Cyber Mentor Fund includes Joe Eandi (General Partner and Co-Founder), Bob Kruse (Investor, Advisor) and David Melnick (Investor, Advisor), among 6 team members tracked by Shizune. The Team section lists each member with their title, investment count and links.

### Is Shizune's investor data accurate?

Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

# About Shizune
Shizune.co is an investor database. Core features:
- 48,091 startup investors (angels, VCs, accelerators, and others)
- Email, phone, LinkedIn (for intros), socials, and other contact data
- Updated daily from public funding news
- CSV and Excel export

The User can access the full database FOR FREE after signing up: shizune.co