Protent alternatives
TL;DR: 12 companies doing similar work to Protent in B2B, ranked by how closely they match what Protent 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 Protent. They are scored on how closely their own description overlaps with Protent's, and all facts shown come from the YC company records — nothing is estimated.
What are the best alternatives to Protent?
| Alternative | What it does | Batch | Team | Status |
|---|---|---|---|---|
| Fithub | — | Winter 2010 | — | Inactive |
| Insoshi | — | Winter 2008 | — | Inactive |
| Dyneti Technologies | Reduce payment fraud | Winter 2019 | 3 | Active |
| Hiro | Agents that handle security work | Summer 2023 | 2 | Active |
| Observa | Catch accidental database exposures before the bad guys | Winter 2021 | 1 | Inactive |
| PromptArmor | LLM Security and Compliance | Winter 2024 | — | Active |
| Unbound | Use AI tools without fear of data leakage | Summer 2024 | 7 | Active |
| Sublime Black | Automating Cyber Security Incident Response Through Artificial… | Winter 2019 | — | Inactive |
| Lexius | AI for Corporate Security Cameras | Winter 2026 | 3 | Active |
| idemeum | AI-powered Application Control | Summer 2021 | 10 | Active |
| Ambient.ai | AI company transforming enterprise physical security to prevent… | Winter 2017 | 150 | Active |
| Crosslayer Labs | Protect, monitor and defend your Internet presence | Winter 2026 | 3 | Active |
Is Protent still active?
Protent 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 Protent. They are then ranked on how closely their own description overlaps with Protent's, so the closest matches come first rather than whoever happens to share a tag.