Cyber Mentor Fund
Venture capitalNew York · Pre-Seed–Series A · 2 people tracked
Investment thesis
CMF invests in cybersecurity entrepreneurs and their emerging technologies, aiming to fill gaps in the cybersecurity landscape by backing founders committed to continuous learning. Beyond capital, the fund emphasizes hands-on mentorship both before and after funding, connecting portfolio companies to relevant methods, processes, and industry experts. It leverages a community of advisors, limited partners, early-adopting practitioners, and industry luminaries to support, educate, and promote its portfolio, positioning itself to help develop the next generation of cybersecurity leaders.
Source: firm website, verified Aug 3, 2026.
Team · 2 people
from the firm's website
What they invest in
from 31 of 44 portfolio companiesCybersecurity ×26AI & Machine Learning ×18Enterprise Software ×17SaaS ×11Cloud Computing ×6Data & Infrastructure ×6InsurTech ×4Fintech ×2
HQs:United States×13Canada×1United Kingdom×1
Who they back
founder profiles across 18 portfolio companiesFounding team size:solo founder×122 founders×43 founders×14+ founders×1
Where their founders studiedfrom 11 founders with education data
University of California, Berkeley ×4University of Sydney ×2
Where their founders worked beforefrom 12 founders with career history
Google ×2UC Berkeley ×2
Investments · 44 tracked
founders shown can be your intro pathBy year:2024 · 12023 · 22022 · 12017 · 15 dated
Co-investorsMizMaa VenturesJ-Ventures
Private networking platform connecting users, devices, and services with LAN-like simplicity, replacing VPN/MPLS/SD-WAN.
Co-investorsMizMaa Ventures
Appaegis (Mammoth) offers an enterprise AI browser that combines productivity with zero-trust security, providing data-loss prevention, insider-threat protection, and controls over GenAI usage.
AI & Machine LearningCybersecurityEnterprise Software
Co-investorsTaiwania Capital
Arctic Wolf provides managed detection and response (MDR) services with 24x7 security teams that detect, investigate, and respond to threats using an open XDR platform processing trillions of events weekly.
AI & Machine LearningCybersecurityEnterprise SoftwareSaaS
Brian NeSmith(Founder & CEO)in
Co-investors33NArtisanal VenturesBright Pixel CapitalClearSkyDelta-v CapitalDraper Associates+14 more
Arms Cyber provides preemptive cybersecurity that keeps critical data invisible and stops attacks before they spread, aiming to prevent ransomware, breaches, and business disruption.
AI & Machine LearningCybersecurity
Co-investorsOverline
Menlo Park, US
Demetrios Lazarikos(Executive Officer, Director)David Walter(Executive Officer, Director)
BoardJay Leek(Director)Charles Beeler(Director)
Co-investorsClearSkyRally Ventures Management, LlcSyn Ventures Seed Management Llc
Santa Clara, US
Abhishek Dubey(Founder)in
Co-investorsCheyenne VenturesCrosslink CapitalM12 (Microsoft's Venture Fund)Rain Capital
AI & Machine LearningCybersecurityEnterprise Software
Neil Serebryany(Cofounder)
Co-investorsDay One VenturesExpeditionsFrontline VenturesHakluyt CapitalManta Ray VenturesPaladin Capital Group+2 more
Certn provides online background and criminal record checks for employers and individuals, offered as a standalone dashboard, via a RESTful API, or through ATS/HRIS integrations such as Greenhouse, Lever, and Workday.
GovTechHR TechSaaS
Andrew McLeod(Founder & CEO)inOwen Madrick(Founder)
Co-investorsAngel Collective Opportunity FundB Capital GroupB4 CapitalInovia CapitalMoxxie VenturesOwl Capital+7 more
Cloudbrink offers a Personal SASE platform delivering zero-trust network access (ZTNA) and secure remote connectivity for hybrid and remote enterprise workforces.
Cloud ComputingCybersecurityEnterprise Software
Co-investorsFirst Rays Venture PartnersBenhamou Global Ventures
Cyberhaven offers an AI and data security platform that combines DSPM, DLP, insider risk management, and AI security to discover, classify, and protect data across endpoints, cloud, on-prem, SaaS, and AI tools.
AI & Machine LearningCybersecurityEnterprise Software
Volodymyr Kuznetsov(Founder)in
Co-investorsAdams Street PartnersCrane Venture PartnersForgePoint CapitalKhosla VenturesRedpoint VenturesVertex Ventures+1 more
CyCognito provides an external attack surface management (ASM) platform that continuously discovers, tests, and prioritizes exposures across an organization's internet-facing assets, subsidiaries, and third-party connections.
CybersecurityEnterprise SoftwareSaaS
Rob Gurzeev(Cofounder)Rob N. Gurzeev(Founder)in
Co-investorsAccelAmiti VenturesBright Pixel CapitalGeodesic CapitalHarpoon VenturesKli Capital+5 more
Databricks provides a unified platform for data engineering, analytics, and artificial intelligence, enabling organizations to build and deploy data and AI applications on cloud infrastructure.
AI & Machine LearningCloud ComputingData & InfrastructureEnterprise SoftwareSan Francisco, US
Ali Ghodsi(Co-founder & CEO)inIon Stoica(Executive Officer, Director, Promoter)Matei Zaharia(Executive Officer, Director, Promoter)inReynold Xin(Founder)inPatrick Wendell(Founder)inAndy Konwinski(Founder)in
Co-investors137 VenturesA.Capital VenturesAglae VenturesAlkeon InnovationAltra VentureAmplify Partners+71 more
Deduce provides fraud prevention software that detects stolen and AI-generated synthetic identities in real time, using a patented identity graph built on U.S. activity data to conduct real-time data forensics.
AI & Machine LearningCybersecurityFintech
Co-investorsInnovating Capital
Discern is an AI agent-powered security platform that assesses, benchmarks, and optimizes security controls across tools such as EDR, SASE, email, SIEM, IAM, and vulnerability management.
AI & Machine LearningCybersecuritySaaS
Rohan Puri(Founder)Santhosh Purathepparambil(Founder)
Co-investorsFirst Rays Venture PartnersIncubate USForgePoint Capital
Dragos provides cybersecurity software, threat intelligence, and professional services to protect operational technology (OT), IT, and IoT assets in industrial environments.
CybersecurityDefense TechEnterprise SoftwareHanover, US
Robert M. Lee(CEO and co-founder)in
Co-investorsAllegisCyber CapitalBYU Cougar CapitalCanaan PartnersDataTribeEarth FoundryEnergy Foundry+9 more
Enveil develops Privacy Enhancing Technologies (PETs) that protect data while it is being used or processed, including its ZeroReveal solutions for secure data usage, collaboration, monetization, and secure AI.
AI & Machine LearningCybersecurityData & InfrastructureDeep TechEnterprise SoftwareFulton, US
Ellison Anne Williams(Founder and CEO)
BoardTim Eades(Director)inZulfe Ali(Director)Robert R. Ackerman Jr.(Director)in
Co-investorsC5 CapitalDataTribeIn-Q-TelAllegisCyber CapitalBloomberg Beta
F5 develops application delivery and security software and hardware platforms, including BIG-IP load balancers and application firewalls, for enterprise and government networks.
AI & Machine LearningCloud ComputingCybersecurityEnterprise Software
François Locoh-Donouin
Co-investorsJC2 VenturesKoch Disruptive TechnologiesMayfield FundRidge Ventures
Chattanooga, US
John Anthony Smith(Executive Officer, Director, Promoter)Michael Webb(Executive Officer)Mark Grazman(Executive Officer, Director, Promoter)
BoardZach Powell(Director)in
Co-investorsEos Venture Partners Limited
ForceMetrics provides investigative software for law enforcement agencies, unifying case data across reports, evidence, people, places, and vehicles into single profiles with timeline reconstruction and relationship analysis.
Data & InfrastructureGovTechSaaS
HYAS provides a preemptive cyber defense platform that uses DNS activity analysis and Indicators of Future Attack to identify and neutralize threats before compromise.
CybersecurityData & InfrastructureSaaSNanaimo
TIM EADES(Director)CHRIS DAVIS(Executive Officer, Director)JEFF SPENCER(Executive Officer, Director)
BoardOWEN MATTHEWS(Director)MATTHEW GOLDSTEIN(Director)
Co-investorsDcode CapitalM12 (Microsoft's Venture Fund)S3 VenturesWesley Clover International Corporation
Insane Cyber develops purpose-built operational technology (OT) security tools that combine packet-level network visibility with host data for monitoring, threat hunting, and assessments across industrial environments.
CybersecurityIoTSan Antonio, US
Daniel Gunter(Executive Officer, Director)Dan Gunter(Founder)in
BoardMourad Yesayan(Director)in
Co-investorsPaladin Capital Group
Co-investorsSixThirty Ventures
LeakSignal provides data governance and protection solutions for securing sensitive data in motion, including classification, policy enforcement, and compliance monitoring across AI applications, APIs, and endpoints.
AI & Machine LearningCybersecurityData & Infrastructure
BoardKunal Anand(Chief Innovation Officer (at F5); formerly co-founder of Prevoty)
Co-investorsTFX CapitalVela PartnersShasta Ventures
Mammoth Cyber offers an enterprise AI browser that combines zero-trust access controls, data-loss prevention, and GenAI usage policies in a single workspace.
AI & Machine LearningCybersecurityEnterprise SoftwarePalo Alto, US
Yonghui Cheng(Founder)Michael Shieh
Co-investors500 GlobalFirst InTSVC
Mimecast (formerly MessageControl) offers a security platform that protects people, data, and AI tools, with capabilities including email threat protection, human risk management, data loss prevention, and digital communications governance.
CybersecurityEnterprise SoftwareSaaS
AI & Machine LearningCloud ComputingData & InfrastructureEnterprise Software
Co-investorsBessemer Venture Partners
Paladin provides software and data-driven solutions to help organizations manage cyber risk more affordably and effectively.
CybersecurityInsurTechSaaS
Co-investorsChaos VenturesGround Up VenturesHemi Ventures, LlcHaystackLightbank
Mimecast provides email security, data loss prevention, cloud archiving, and human risk management products used by organizations to protect communications and data.
AI & Machine LearningCloud ComputingCybersecurityEnterprise SoftwareSaaSLondon, GB
Michael Madon(Executive Officer, Director)Peter Bauer(Founder)inTimothy Jackson(Executive Officer)Ranjan Singh(CEO)Marc van Zadelhoff(CEO)
BoardAdam Fletcher(Director)
Co-investorsAccelEquality Asset ManagementFloodgateGlilot Capital PartnersJobsOhio VenturesMaryland TEDCO+5 more
RADICL provides an AI-native autonomous virtual security operations center for SMBs in the U.S. defense industrial base.
Co-investorsAccess Venture PartnersAccess Ventures
Resilience Insurance provides cyber insurance and technology errors & omissions coverage for enterprise clients across multiple industries.
CybersecurityInsurTech
Co-investorsShield Capital
Co-investorsCrosslink CapitalRally Ventures Management, LlcSyn Ventures Seed Management Llc
SecurityAdvisor (part of KnowBe4) provides Real-Time Coaching, an AI-native security awareness feature that delivers contextual "SecurityTips" through Slack, Microsoft Teams, Google Chat, or email when a user takes a risky action such as clicking a suspicious link or failing a phishing test.
AI & Machine LearningCybersecurityEnterprise SoftwareSaaS
Co-investorsSixThirty Ventures
San Jose, US
Nate Kharrl(Executive Officer, Director)Bryce Verdier(Executive Officer)Patrick Chen(Executive Officer, Director)
BoardJonathan Lim(Director)inMike Jennings(Director)Tim Eades(Director)in
Co-investorsSignalFire
Chandler, US
Jori VanAntwerp(Executive Officer, Director)Ron Fabela(Executive Officer, Director)
BoardPatrick Heim(Director)inZenas Hutcheson(Director)in
Co-investorsRally Ventures Management, LlcSyn Ventures Seed Management LlcSYN Ventures
Tailscale provides secure connectivity infrastructure.
Cloud ComputingCybersecurityDeveloper ToolsToronto, CA
Avery Pennarun(Founder & CEO)inBrad Fitzpatrick(Founder)David Crawshaw(Founder)in
Co-investorsAccelAvenir Growth CapitalCRV (Charles River Ventures)Flex Capital PartnersHeavybitInsight Partners+6 more
A security platform that detects and prevents malicious activity targeting software applications, serving both small and large companies through developer-focused tooling.
CybersecurityEnterprise SoftwareSan Francisco, US
Bjoern Zinssmeister(Founder/CEO)in
Co-investorsY Combinator
Tern provides commerce technology for managing product returns and reverse logistics for both consumers and merchants.
AI & Machine LearningCircular EconomyE-commerceLogistics & Supply ChainRetail Tech
Skye Spear(Co-founder and CEO)Brian Reath(Founder)in
Co-investorsNotion CapitalResolute VenturesScout Ventures
Trusona is a cybersecurity company that verifies the real person behind an account during account recovery and reset requests to prevent account takeovers, including attacks using deepfakes, SIM swaps, and social engineering.
AI & Machine LearningCybersecuritySaaS
Ori Eisen(Founder & CEO)in
Co-investorsKleiner PerkinsM12 (Microsoft's Venture Fund)
Upfort provides software and automation solutions for managing cyber risk, combining security expertise with insurance and data analytics to improve organizational cyber resilience.
AI & Machine LearningCybersecurityEnterprise SoftwareInsurTechSan Francisco, US
Han Wang(Founder/CTO)inDaniel Bilbao(Founder)in
Co-investorsAltai VenturesClocktower VenturesFikaHemi Ventures, LlcSyn Ventures Seed Management LlcY Combinator+5 more
Exits · 3
IPOs and acquisitions across the tracked portfolioCalypsoacq. by F5Okeraacq. by DatabricksSecurityadvisoracq. by KnowBe4
Portfolio news
latest coverage across their companiesDiscern Security · infotechlead.com · Aug 21, 2026
Databricks · techcrunch.com · Aug 13, 2026
Resilience · eu-startups.com · Jul 17, 2026
Calypso · cambodiainvestmentreview.com · Jul 13, 2026
Cyberhaven · cyberhaven.com · Apr 24, 2026
Radicl · bizwest.com · Feb 4, 2026
Tailscale · tailscale.com · Jan 7, 2026
TERN · spacedaily.com · Oct 9, 2025
Frequently asked questions
- How many investments has Cyber Mentor Fund made?
- Cyber Mentor Fund has 43 tracked investments, 4 of which have exited via acquisition or IPO.
- What stage does Cyber Mentor Fund invest at?
- Cyber Mentor Fund invests at the Pre-Seed, Seed, Series A stages.
- What sectors does Cyber Mentor Fund focus on?
- Cyber Mentor Fund focuses on Cybersecurity.
- Where is Cyber Mentor Fund located?
- Cyber Mentor Fund is headquartered in New York, US.
- Who does Cyber Mentor Fund co-invest with?
- Cyber Mentor Fund most often shares deals with Rally Ventures Management, Llc, Syn Ventures Seed Management Llc, M12 (Microsoft's Venture Fund), among 99 tracked co-investors.
Co-investors · 10
SixThirty is a global early-stage venture capital firm investing at the intersection of health, wealth and privacy, connecting startups with established institutions through its collaboration platform.
DST Global is a global internet-focused investment firm that backs fast-growing, high-value internet companies. It does not solicit or accept retail investors.
GV (Google Ventures) is a venture capital firm that has invested in artificial intelligence and machine learning since its early days, building a global portfolio of more than 100 AI companies across infrastructure, life sciences, and applications.
Notable Capital is a venture capital firm that has partnered with founders for over two decades, backing companies from the earliest stages through to exit.
IVP (Institutional Venture Partners) is a venture capital firm that backs breakout companies at critical inflection points, helping them grow into enduring market leaders.
Susa Ventures operates two early-stage technology funds that invest in companies leveraging data, network effects, and economies of scale.
IA Ventures is a venture capital firm that invests in early-stage software and frontier technology companies.
Ballistic Ventures is a venture capital firm focused exclusively on backing cybersecurity entrepreneurs, drawing on the operating experience of investors who have founded, funded, and operated over 90 companies.
Blue Owl Capital Inc. is a leading alternative asset manager that announced the launch of Kirkwood Infrastructure Group, a developer and operator of next-generation communications infrastructure including advanced conduit and high-count fiber optic cable to support hyperscale data centers and digital connectivity across the United States.
Firms observed investing alongside Cyber Mentor Fund, from public investor directories. Shared companies are the overlap with Cyber Mentor Fund's recorded portfolio.
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