SignalFire Security Fund
SignalFire Security Fund is a Seed, Series A venture capital firm based in San Francisco, CA investing in Security, AI / ML. The firm typically writes $500K–$5.0M checks and has 2 portfolio companies in our records.
- Check size
- $500K–$5.0M
- Portfolio
- 2 companies on record
- Partners
- 1 listed
- Stage
- Seed, Series A
- Sectors
- Security, AI / ML
- HQ
- San Francisco, CA
- AUM
- Not in our records
Last verified: 2026-07-13
Seed, Series A
$500K – $5.0M
2+ companies
1 partner
Investment Thesis
SignalFire's dedicated security fund invests in AI-enabled cybersecurity startups improving compliance and protection in enterprise environments.
How SignalFire Security Fund invests
SignalFire Security Fund is a vc firm based in San Francisco, CA. The firm invests at the Seed, Series A stages, with a focus on Security, AI / ML.
SignalFire Security Fund typically writes checks of $500K–$5.0M per investment.
SignalFire Security Fund has backed 2 companies in our records, including MarginEdge, CyberHaven.
Partners & Team
Chris Farmer
Founder & CEO
Industry Focus
Invests In
Portfolio Companies (2)
Other
MarginEdge
CyberHaven
- •Raising at Seed, Series A? You're squarely in their sweet spot.
- •Lead with your fit in Security, AI / ML — the sectors they actively back.
- •Size your ask to their typical $500K – $5.0M check.
- •warm intro preferred
- •Address your outreach to a specific partner, such as Chris Farmer, Founder & CEO.
- •A warm introduction beats a cold email. Get matched and request an intro.
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