Explore: Cybersecurity · Seed
First In
VC
Investment Thesis
Nearly 7x more raised for Fund III with support from federal programs.
About First In
First In is an early-stage venture capital firm dedicated to investing in cybersecurity, defense technology, and data-driven security platforms critical to commercial resilience and national security.
Sectors
cybersecuritydefense technologydata intelligence
Stages
seed
Geographic focus
United States
Verified 25 March 2026 · Sources: company website, Fusion42 review
Frequently asked questions
- What does First In invest in?
- First In invests in cybersecurity, defense technology and data intelligence at the seed stage.
- Which geographies does First In focus on?
- First In focuses on United States, and is headquartered in United States.
- What is First In's typical check size?
- First In typically writes checks of $3M to $5M.