Investors / United States / Cyber Mentor Fund
Cyber Mentor Fund
Micro VC · San Mateo, CA, United States · North America
Cyber Mentor Fund is a mentorship fund that invests in early-stage cybersecurity startups and provides them with hands-on mentorship, strategic partnerships, and operational expertise. It runs a Catapult Program that guides startups through product validation and go-to-market phases.
Invests inCybersecurityAI & Machine Learning
In its own wordscybersecurityenterprise securitymentorshipgo-to-marketearly stage
Your fit with Cyber Mentor Fund
Four questions about your startup
See how your round matches what it backs, point by point.
Or find every investor that fitsCyber Mentor Fund lists 26 checked portfolio companies on its own site. Its largest themes are Cybersecurity (48%), AI & Machine Learning (25%) and Fintech (11%). 93% of its companies are based in United States. It invests most often alongside Accel, DataTribe and Lightspeed Venture Partners.
No funding round on record names Cyber Mentor Fund yet, so the figures come from its portfolio page.
Round figures show recent activity, not Cyber Mentor Fund's whole history. Rounds on record name 0 companies; its own site lists 26. Funding rounds are complete from mid-2025, so counts and the yearly trend undercount a firm that invested before then. The portfolio, themes and places come from its own site and are not affected.
Investment themes
share of its checked companiesThis firmAll checked companies
Show as a table
| This firm | All checked companies | |
|---|---|---|
| Cybersecurity | 48% | 4% |
| AI & Machine Learning | 25% | 18% |
| Fintech | 11% | 12% |
| Enterprise Software | 7% | 8% |
| Industrial & Manufacturing | 5% | 7% |
| Human Resources | 2% | 1% |
| E-commerce & Marketplaces | 2% | 6% |
Its portfolio companies
where they are based, and what their own sites showSite status
- Site answers2285%
- No longer answers00%
- Points to another company415%
- Parked or sold domain00%
A site that stops answering three checks in a row is counted as no longer answering; that is not proof of closure. A site that points to another company is often an acquisition.
Investor profile
percentile among all firmsShow as a table
| Measure | Percentile of all firms | Value |
|---|---|---|
| Portfolio size | 62th | 26 companies |
| Recent activity | 46th | 0 rounds in 12 months |
| Early stage | 54th | 0% of entries at pre-seed or seed |
| Evidence | 52th | 0% of companies confirmed by a round |
| Sector focus | 82th | 48% in its largest sector |
| Reach | 42th | 2 countries |
Co-investor network
who it backs companies with, and who they back togetherCompare Cyber Mentor Fund head to head
portfolio size, rounds, entry stages, themes and the companies both backThree or more firms at once: portfolio overlap.
Portfolio
26 companies checked against their own sites| Company | What it does | Themes | First round with it | Evidence |
|---|---|---|---|---|
| Arms Cyber provides endpoint protection services against AI-driven attacks and ransomware | CybersecurityAI & Machine Learning | Portfolio page | ||
| Portfolio page | ||||
| Portfolio page | ||||
| BOXX provides cyber insurance and risk management services to businesses and households | CybersecurityFintech | Portfolio page | ||
CybersecurityAI & Machine Learning | Portfolio page | |||
| Certn provides background check services for individuals and companies. | Human ResourcesCybersecurity | Portfolio page | ||
| Cloudbrink combines high-performance ZTNA with personal SD-WAN to replace legacy VPNs and conventional ZTNA with secure access that is easier to operate and dramatically faster for users. | CybersecurityAI & Machine Learning | Portfolio page | ||
| Cyberhaven provides a platform for data security and protection, particularly in the context of AI and agent-driven workflows. | CybersecurityAI & Machine Learning | Portfolio page | ||
| CyCognito provides a platform for preemptive exposure management and attack surface management to help companies identify and fix external threats. | CybersecurityAI & Machine Learning | Portfolio page | ||
| Deduce offers a solution for preventing and identifying stolen and synthetic identities in real-time. | FintechCybersecurity | Portfolio page | ||
| DeepView provides a platform for managing risk on digital platforms and archiving business chats | CybersecurityEnterprise Software | Portfolio page | ||
| Discern Security provides a proactive security platform that uses AI agents to unify security data, add context, prioritize risk, and coordinate action across existing tools and teams. | Cybersecurity | Portfolio page | ||
| Dragos provides cybersecurity services and solutions for operational technology environments | CybersecurityIndustrial & Manufacturing | Portfolio page | ||
| Enveil is a company that provides privacy enhancing technology solutions to secure data usage and artificial intelligence products | AI & Machine LearningCybersecurity | Portfolio page | ||
| Portfolio page | ||||
| The company transforms disconnected public safety data into actionable insights through data engineering and AI | AI & Machine LearningCybersecurity | Portfolio page | ||
Cybersecurity | Portfolio page | |||
| Insane Cyber provides automated security and cybersecurity services for industrial protection | CybersecurityIndustrial & Manufacturing | Portfolio page | ||
CybersecurityAI & Machine Learning | Portfolio page | |||
| Mammoth Cyber provides a secure browser solution for enterprises to protect against various security threats, including unauthorized AI use and data exposure. | CybersecurityAI & Machine Learning | Portfolio page |
About this data
site last read 5 Nov 2026- Site
- cybermentorfund.com
- Last read
- 5 Nov 2026
- Watching since
- 6 Nov 2026
- Companies checked
- 26
Rates come from what VCinfo has observed since observation_start. Firms tend to remove companies that closed, so early rates understate reality. A company leaving a portfolio page does not mean it closed or exited. An unreachable site means our checks failed, nothing more.
Get Cyber Mentor Fund's profile as data
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