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Cybersecurity angel investors

33 US angel investors and angel groups backing cybersecurity startups, each listed with the evidence and sources behind it: SEC Form D filings, the investor's own site or a public announcement. 19 of them have a dated filing or deal in the last 12 months. That is 21 solo GPs, 11 syndicate leads and 1 angel groups. Most are based in California (11), Texas (6) and New York (3). The median stated or estimated check is $160K–$595K.

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Who are the most active Cybersecurity angel investors?

Ranked by board seats, deal vehicles and funds on SEC filings and dated deals in the last 12 months: Joseph Fernandes, Guy Filippelli, Manasi Clara Vydyanath, Kimberly J. Moore and Zoe Weinberg.

How many Cybersecurity angel investors are there?

33 on file, 19 with a dated filing or deal in the last 12 months. Angels writing personal checks rarely file anything with the SEC, so no list of angels is complete.

How much do Cybersecurity angel investors invest?

The median check is $160K–$595K, across 30 angels with a stated or estimated range. Angel groups often pool members' checks into a larger round.

Where are Cybersecurity angel investors based?

Most are in California (11), Texas (6) and New York (3).

  • Joseph FernandesSyndicate lead · Austin, TX

    Named as the only individual (Managing Director of the Issuer) on the Form D for Openlight a Series of VUVP FUND LLC, a $100K venture SPV (Sep 2026) (29 vehicles on file).

    Seed to Growth · checks $145K–$595K

    AI & MLBiotech & PharmaCybersecuritySpace
  • Guy FilippelliSolo GP · Baltimore, MD

    Named as the only individual (Managing Member of General Partner) on the Form D for Squadra Ventures III, LP, a $24M venture fund (Mar 2026) (2 vehicles on file: 1 fund, 1 SPV). Also a non-executive director at 5 startups that filed Form D.

    Pre-seed to Series B · checks $250K–$700K

    CybersecurityDeep TechHardware & Robotics
  • Manasi Clara VydyanathSyndicate lead · New York, NY

    Named as the only individual (executive officer) on the Form D for HII xAI-03, a Series of HII xAI LLC, a $899K venture SPV (Mar 2026) (22 vehicles on file).

    Pre-seed, Seed · checks $1.67M–$9.98M

    AI & MLHardware & RoboticsCybersecurity
  • Kimberly J. MooreSolo GP · San Francisco, CA

    Named as the only individual (Managing Director of the General Partner of the Issuers) on the Form D for U&I Ventures Fund I, L.P., a $25M venture fund (May 2026).

    Pre-seed, Seed · checks $250K–$750K

    Cybersecurity
  • Zoe WeinbergSolo GP · Brooklyn, NY

    Named as the only individual (Manager of the General Partner) on the Form D for ex/ante Fund II, LP, a $75M venture fund (May 2026) (2 vehicles on file).

    Seed, Series A · checks $750K–$2.25M

    Cybersecurity
  • Doug PhilipponeSolo GP · Palm Beach, FL

    Named as one of two individuals (Manager of the Manager of the Issuer) on the Form D for Snowpoint Growth 2.6, LLC, a $15M venture fund (Jan 2026) (4 vehicles on file: 2 funds, 2 SPVs). Also a non-executive director at 2 startups that filed Form D.

    Pre-seed to Growth · checks $150K–$450K

    AI & MLCybersecurity
  • Lenore Reynolds KarafaSolo GP · Hobe Sound, FL

    Named as one of two individuals (Member of Issuer's General Partner.) on the Form D for First In Ventures Fund II LP, a $21.8M venture fund (Sep 2026) (2 vehicles on file).

    Pre-seed, Seed · checks $225K–$650K

    Biotech & PharmaDefense & AerospaceAI & MLCybersecurity
  • Caroline GashSyndicate lead · Chicago, IL

    Named as the only individual (Managing Director of the Manager) on the Form D for IA Snag 115x0 A Series of IrishAngels 2026 LLC, a $215K venture SPV (Jul 2026) (24 vehicles on file).

    Pre-seed, Seed · checks $160K–$265K

    CybersecurityEducation
  • Domingo Javier Guerra De EzkauriatzaSolo GP · San Francisco, CA

    Named as the only individual (Managing Partner of the Manager of the General Partner of the Fund) on the Form D for Chispa VC Cyber Seed Fund I, LP, a $10M venture fund (Jun 2026).

    Pre-seed, Seed · checks $100K–$300K

    Cybersecurity
  • Steven Wang XiSolo GP · Menlo Park, CA

    Named as the only individual (Managing Director of the General Partner of the Issuer) on the Form D for Eastlink Capital Partners II, L.P., a $16.1M venture fund (Dec 2025) (2 vehicles on file: 1 fund, 1 SPV).

    Pre-seed, Seed · checks $150K–$500K

    AI & MLDeveloper ToolsCybersecurity
  • Marcus BartramSolo GP · San Francisco, CA

    Named as one of two individuals (Managing Director of the Manager) on the Form D for Capra Ventures H1 LLC, a $9.2M venture fund (Dec 2025). Also a non-executive director at 2 startups that filed Form D.

    Pre-seed to Series B · checks $100K–$300K

    Cybersecurity
  • Avula Rama KrishnaSyndicate lead · Stamford, CT

    Named as the only individual (executive officer) on the Form D for ARGA International Small-Cap Fund, a series of ARGA Funds Trust, a $3.4M venture SPV (Aug 2026) (5 vehicles on file).

    Pre-seed, Seed

    Cybersecurity
  • Numan NumanbayraktarogluSyndicate lead · Petaluma, CA

    Named as the only individual (promoter) on the Form D for 212 SC SPV A Series of V360 Holdings LLC, a $1M venture SPV (Apr 2026) (8 vehicles on file). Also a non-executive director at 1 startup that filed Form D.

    Series A · checks $750K–$1.85M

    AI & MLCybersecurity
  • Ian H. CharlesSyndicate lead · Dallas, TX

    Named as the only individual (executive officer/promoter) on the Form D for Arctos Keystone Co-Invest Alexandrite, LP, a venture SPV (May 2026) (12 vehicles on file).

    Pre-seed, Seed

    CybersecurityMedia, Gaming & Creator
  • Anshuman SinhaSyndicate lead · Irvine, CA

    Named as the only individual (executive officer) on the Form D for Velmeni AI SPV 2024 a Series of SSD SPV I LLC, a $785K venture SPV (Nov 2025) (41 vehicles on file).

    Pre-seed, Seed · checks $90K–$500K

    AI & MLFintechClimate & EnergyCybersecurity+1
  • Jan HaasSolo GP · Burlington, MA

    Named as the only individual (President of BlueIO Management, LLC, the Series Manager) on the Form D for Series Lumicell 5, a separate series of BlueIO Growth LLC, a venture fund (Aug 2026) (5 vehicles on file: 4 funds, 1 SPV).

    Pre-seed, Seed · checks $50K–$200K

    Biotech & PharmaCybersecurity
  • Nathaniel Farber LoewentheilSolo GP · New York, NY

    Named as the only individual (Manager of the General Partner) on the Form D for Commonweal NYS Fund II, LP, a $3M venture fund (Jul 2026) (3 vehicles on file).

    Pre-seed, Seed · checks $500K–$1.5M

    GovTech & Public SectorClimate & EnergyDefense & AerospaceCybersecurity
  • Andrew LoveSolo GP · Dallas, TX

    Named as the only individual (Manager of the Investment Manager of the Issuer) on the Form D for Aspect F3W, L.P., a venture fund (Nov 2025) (2 vehicles on file: 1 fund, 1 SPV).

    Pre-seed, Seed · checks $3.15M

    Cybersecurity
  • New Louisiana Angel FundAngel group · Shreveport, LA

    New Louisiana Angel Fund: listed as an ACA fund member; 1 Form D vehicle (latest New Louisiana Angel Fund 3, LLC, filed 2023-09-01); its site describes the group.

    Pre-seed, Seed

    B2B SoftwareHealthcareE-commerce & RetailDeveloper Tools+1
  • Mallun YenSolo GP · Palo Alto, CA

    Named as the only individual (Managing Director of the General Partner) on the Form D for Operator Collective Activate Fund, L.P., a $50M venture fund (Oct 2025) (4 vehicles on file: 3 funds, 1 SPV).

    Pre-seed, Seed · checks $500K–$1.5M

    B2B SoftwareCybersecurity
  • Patrick FlynnSolo GP · Menlo Park, CA

    Named as the only individual (Principal of the General Partner of the Issuer) on the Form D for IPV Stripe - IronArc Opportunities LP, a venture SPV (Feb 2025) (8 vehicles on file: 3 funds, 5 SPVs).

    Pre-seed, Seed · checks $375K–$1.1M

    Hardware & RoboticsClimate & EnergyCybersecurityIndustrial & Manufacturing
  • Justin LabelSolo GP · Lutherville, MD

    Named as the only individual (Managing Director of the General Partner of the Issuer) on the Form D for Inner Loop Capital Fund II, LP, a $24.2M venture fund (Jan 2025). Also a non-executive director at 1 startup that filed Form D.

    Pre-seed, Seed · checks $250K–$750K

    Cybersecurity
  • Jonathan CholakSolo GP · Austin, TX

    Named as the only individual (Principal) on the Form D for W11 Genesis I QP, LP, a $28M venture fund (Jan 2023).

    Pre-seed, Seed · checks $275K–$850K

    CybersecurityMedia, Gaming & CreatorB2B SoftwareAI & ML
  • Joseph Lane ComizioSolo GP · Bentonville, AR

    Named as one of two individuals (Member of the Manager, Good Craic Partners, LLC) on the Form D for 2Twelve90, LLC, a $5M venture fund (May 2025). Also a non-executive director at 1 startup that filed Form D.

    Pre-seed, Seed · checks $50K–$150K

    Cybersecurity
  • Manish MalhotraSyndicate lead · Fairfax, VA

    Named as the only individual (promoter) on the Form D for OPX2025 Shield AI, a Series of Opulentia Ventures X LLC, a $1M venture SPV (Jun 2025) (2 vehicles on file).

    Pre-seed, Seed · checks $1M–$3.1M

    AI & MLCybersecurity
  • Firoz JhaverSolo GP · Houston, TX

    Named as the only individual (promoter) on the Form D for Novellus Ventures LS1 Fund, L.P., a $3M venture fund (May 2025).

    Pre-seed, Seed · checks $25K–$100K

    Biotech & PharmaHealthcareCybersecurity
  • Elias ManousosSolo GP · San Francisco, CA

    Named as one of two individuals (Manager of the General Partner of the Issuer) on the Form D for Manousos Investments Fund I, LP, a $4.8M venture fund (Nov 2023). Also a non-executive director at 1 startup that filed Form D.

    Pre-seed to Series A · checks $50K–$150K

    Cybersecurity
  • Richard HillsmanSyndicate lead · Chicago, IL

    Named as one of two individuals (Manager of Issuer's Manager) on the Form D for Ia BEVZ a Series of Irishangels 2023 LLC, a $134K venture SPV (Oct 2024) (2 vehicles on file).

    Pre-seed, Seed · checks $135K–$160K

    Cybersecurity
  • Ben LandenSyndicate lead · Covina, CA

    Named as one of two individuals (Co-Manager & Co-Trustee) on the Form D for Fulcrum Capital Trust II, a $1.7M venture SPV (Aug 2024).

    Pre-seed, Seed · checks $1.2M

    Cybersecurity
  • Sharath DasariSyndicate lead · Plano, TX

    Named as one of two individuals (Co-Manager & Co-Trustee) on the Form D for Fulcrum Capital Trust II, a $1.7M venture SPV (Aug 2024).

    Pre-seed, Seed · checks $1.2M

    Cybersecurity
  • Clarence CheukSolo GP · San Francisco, CA

    Named as one of two individuals (Manager of the General Partner of the Issuer) on the Form D for Manousos Investments Fund I, LP, a $4.8M venture fund (Nov 2023).

    Pre-seed, Seed · checks $50K–$150K

    Cybersecurity
  • Brian DeMuthSolo GP · Fredericksburg, VA

    Named as one of two individuals (Manager of the General Partner of the Issuer) on the Form D for Riphean National Security Fund, LP, a $10M venture fund (Jul 2023).

    Pre-seed, Seed · checks $100K–$300K

    Cybersecurity
  • Joel GriffinSolo GP · Fredericksburg, VA

    Named as one of two individuals (Manager of the General Partner of the Issuer) on the Form D for Riphean National Security Fund, LP, a $10M venture fund (Jul 2023).

    Pre-seed, Seed · checks $100K–$300K

    Cybersecurity

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