MentionFox lists 27 Cybersecurity companies for 2025. Of them, 19 are Y Combinator companies (the newest batch here is Fall 2025, with 4); 8 won an SBIR or STTR award. The median SBIR or STTR award in the table is $2M, across 8 awards.
Other years
All years (172) 2026 (42) 2022 (19)
Cybersecurity startups in 2025
| Company | What it does | Date | Amount | Round / stage | Record |
|---|---|---|---|---|---|
| Inkit Worldwide LLC | Rdt&e for inkit file intelligence platform | Award starts Dec 1, 2025 | $2.4M | SBIR Phase III | Federal award record |
| Hypori, Inc. | This award is for the small business innovation research (sbir) phase iii follow-on effort for the hypori il5 software as a service… | Award starts Sep 18, 2025 | $4.1M | SBIR Phase III | Federal award record |
| Antigen | Continuous offensive security for the enterprise. | Fall 2025 | Y Combinator batch | Y Combinator listing | |
| ComplyDo | Global Compliance for Enterprises | Fall 2025 | Y Combinator batch | Y Combinator listing | |
| Multifactor | Zero-trust authentication, authorization, and auditing for AI agents | Fall 2025 | Y Combinator batch | Y Combinator listing | |
| Veria Labs | Continuous AI pentesting that finds and fixes vulnerabilities | Fall 2025 | Y Combinator batch | Y Combinator listing | |
| Oceanit Laboratories Inc | Direct to phase ii: passive autonomous vulnerability screening of systems outside the accreditation | Award starts Aug 29, 2025 | $2M | SBIR Phase II | Federal award record |
| Opto-knowledge Systems Inc | Direct to phase ii: threat detection from space in the uv-ir (td-uvir) | Award starts Aug 28, 2025 | $2M | SBIR Phase II | Federal award record |
| Secmation LLC | Direct to phase ii: reflect - RADAR emission fuzzing and logging for exploitability and countermeasure testing | Award starts Aug 18, 2025 | $2M | SBIR Phase II | Federal award record |
| Qed Secure Solutions LLC | To 13 afit ce cybersecurity | Award starts Aug 15, 2025 | $662,057 | SBIR | Federal award record |
| Alter | Privileged Access Management for AI Agents | Summer 2025 | Y Combinator batch | Y Combinator listing | |
| ContextFort | Visibility and Controls for Browser Agents | Summer 2025 | Y Combinator batch | Y Combinator listing | |
| GhostEye | Your always-on red team. | Summer 2025 | Y Combinator batch | Y Combinator listing | |
| Pangolin | Open networking and security for your workforce, AI agents, and infra | Summer 2025 | Y Combinator batch | Y Combinator listing | |
| TwentyTwo | AI infrastructure for biosecurity | Summer 2025 | Y Combinator batch | Y Combinator listing | |
| Better Auth | The authentication framework for TypeScript | Spring 2025 | Y Combinator batch | Y Combinator listing | |
| BitPatrol | AI-powered code security | Spring 2025 | Y Combinator batch | Y Combinator listing | |
| Cotool | AI Agents for Security Operations Teams | Spring 2025 | Y Combinator batch | Y Combinator listing | |
| MindFort | Autonomous Security Agents | Spring 2025 | Y Combinator batch | Y Combinator listing | |
| Probo | We help you get compliant while you focus on your business. | Spring 2025 | Y Combinator batch | Y Combinator listing | |
| Securelogix Corporation | This fy24 sbir phase ii contract supports cbp, uscg, ice, and local law enforcement in their mission to protect public safety and defend… | Award starts Apr 1, 2025 | $999,880 | SBIR Phase II | Federal award record |
| Syncopated Engineering Inc | This fy24 sbir phase ii contract supports cbp, uscg, ice, and local law enforcement in their mission to protect public safety and defend… | Award starts Apr 1, 2025 | $998,499 | SBIR Phase II | Federal award record |
| Tinfoil | Encrypted AI with verifiable privacy | Spring 2025 | Y Combinator batch | Y Combinator listing | |
| Archon | We help software companies sell to government. | Winter 2025 | Y Combinator batch | Y Combinator listing | |
| Candor | Protect your data and stop insider risk | Winter 2025 | Y Combinator batch | Y Combinator listing | |
| SubImage | The Open-Core Security Graph | Winter 2025 | Y Combinator batch | Y Combinator listing | |
| Subtrace | Zero code network tracer | Winter 2025 | Y Combinator batch | Y Combinator listing |
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Figures come only from the record linked in each row; a blank means the record gives none. How these lists are built.