Gecko Security alternatives
TL;DR: 12 companies doing similar work to Gecko Security in B2B, ranked by how closely they match what Gecko Security actually does — not just by category.
How this list was built: every company here is Y Combinator-backed and shares at least one category with Gecko Security. They are scored on how closely their own description overlaps with Gecko Security's, and all facts shown come from the YC company records — nothing is estimated.
What are the best alternatives to Gecko Security?
| Alternative | What it does | Batch | Team | Status |
|---|---|---|---|---|
| Fithub | — | Winter 2010 | — | Inactive |
| Insoshi | — | Winter 2008 | — | Inactive |
| Unbound | Use AI tools without fear of data leakage | Summer 2024 | 7 | Active |
| Dyneti Technologies | Reduce payment fraud | Winter 2019 | 3 | Active |
| Hiro | Agents that handle security work | Summer 2023 | 2 | Active |
| PromptArmor | LLM Security and Compliance | Winter 2024 | — | Active |
| ZeroPath | Automatically find and fix your software vulnerabilities | Summer 2024 | 10 | Active |
| Palisade | AI that finds and fixes OS-level vulnerabilities across device fleets | Summer 2026 | 1 | Active |
| Sphere Secure Workspace | — | Summer 2015 | 2 | Acquired |
| idemeum | AI-powered Application Control | Summer 2021 | 10 | Active |
| Armorer Labs | Continuous security verification for AI agents in regulated industries | Fall 2026 | 2 | Active |
| Sqreen | Sqreen is the application security platform for the modern enterprise | Winter 2018 | 120 | Acquired |
Is Gecko Security still active?
Gecko Security is still operating, so switching is a choice rather than a forced migration. Compare on fit and price rather than urgency.
How was this list put together?
Every company here is Y Combinator-backed and shares at least one category with Gecko Security. They are then ranked on how closely their own description overlaps with Gecko Security's, so the closest matches come first rather than whoever happens to share a tag.